CA2586907A1 - Polymer blends and nonwoven articles therefrom - Google Patents
Polymer blends and nonwoven articles therefrom Download PDFInfo
- Publication number
- CA2586907A1 CA2586907A1 CA002586907A CA2586907A CA2586907A1 CA 2586907 A1 CA2586907 A1 CA 2586907A1 CA 002586907 A CA002586907 A CA 002586907A CA 2586907 A CA2586907 A CA 2586907A CA 2586907 A1 CA2586907 A1 CA 2586907A1
- Authority
- CA
- Canada
- Prior art keywords
- article
- semi
- weight
- blend
- polymer
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/10—Homopolymers or copolymers of propene
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F1/00—General methods for the manufacture of artificial filaments or the like
- D01F1/02—Addition of substances to the spinning solution or to the melt
- D01F1/10—Other agents for modifying properties
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F6/00—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof
- D01F6/44—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from mixtures of polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds as major constituent with other polymers or low-molecular-weight compounds
- D01F6/46—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from mixtures of polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds as major constituent with other polymers or low-molecular-weight compounds of polyolefins
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
- D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
- D04H1/42—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties characterised by the use of certain kinds of fibres insofar as this use has no preponderant influence on the consolidation of the fleece
- D04H1/4282—Addition polymers
- D04H1/4291—Olefin series
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
- D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
- D04H1/42—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties characterised by the use of certain kinds of fibres insofar as this use has no preponderant influence on the consolidation of the fleece
- D04H1/4382—Stretched reticular film fibres; Composite fibres; Mixed fibres; Ultrafine fibres; Fibres for artificial leather
- D04H1/43838—Ultrafine fibres, e.g. microfibres
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
- D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
- D04H1/42—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties characterised by the use of certain kinds of fibres insofar as this use has no preponderant influence on the consolidation of the fleece
- D04H1/4391—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties characterised by the use of certain kinds of fibres insofar as this use has no preponderant influence on the consolidation of the fleece characterised by the shape of the fibres
- D04H1/43918—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties characterised by the use of certain kinds of fibres insofar as this use has no preponderant influence on the consolidation of the fleece characterised by the shape of the fibres nonlinear fibres, e.g. crimped or coiled fibres
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
- D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
- D04H1/54—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties by welding together the fibres, e.g. by partially melting or dissolving
- D04H1/56—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties by welding together the fibres, e.g. by partially melting or dissolving in association with fibre formation, e.g. immediately following extrusion of staple fibres
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H3/00—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length
- D04H3/08—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of strengthening or consolidating
- D04H3/16—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of strengthening or consolidating with bonds between thermoplastic filaments produced in association with filament formation, e.g. immediately following extrusion
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/10—Homopolymers or copolymers of propene
- C08L23/14—Copolymers of propene
- C08L23/142—Copolymers of propene at least partially crystalline copolymers of propene with other olefins
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2314/00—Polymer mixtures characterised by way of preparation
- C08L2314/06—Metallocene or single site catalysts
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/249921—Web or sheet containing structurally defined element or component
- Y10T428/249924—Noninterengaged fiber-containing paper-free web or sheet which is not of specified porosity
- Y10T428/249933—Fiber embedded in or on the surface of a natural or synthetic rubber matrix
- Y10T428/249938—Composite or conjugate fiber [e.g., fiber contains more than one chemically different material in monofilament or multifilament form, etc.]
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T442/00—Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
- Y10T442/60—Nonwoven fabric [i.e., nonwoven strand or fiber material]
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T442/00—Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
- Y10T442/60—Nonwoven fabric [i.e., nonwoven strand or fiber material]
- Y10T442/603—Including strand or fiber material precoated with other than free metal or alloy
- Y10T442/607—Strand or fiber material is synthetic polymer
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T442/00—Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
- Y10T442/60—Nonwoven fabric [i.e., nonwoven strand or fiber material]
- Y10T442/608—Including strand or fiber material which is of specific structural definition
- Y10T442/627—Strand or fiber material is specified as non-linear [e.g., crimped, coiled, etc.]
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T442/00—Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
- Y10T442/60—Nonwoven fabric [i.e., nonwoven strand or fiber material]
- Y10T442/608—Including strand or fiber material which is of specific structural definition
- Y10T442/627—Strand or fiber material is specified as non-linear [e.g., crimped, coiled, etc.]
- Y10T442/632—A single nonwoven layer comprising non-linear synthetic polymeric strand or fiber material and strand or fiber material not specified as non-linear
- Y10T442/633—Synthetic polymeric strand or fiber material is of staple length
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T442/00—Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
- Y10T442/60—Nonwoven fabric [i.e., nonwoven strand or fiber material]
- Y10T442/608—Including strand or fiber material which is of specific structural definition
- Y10T442/627—Strand or fiber material is specified as non-linear [e.g., crimped, coiled, etc.]
- Y10T442/635—Synthetic polymeric strand or fiber material
- Y10T442/636—Synthetic polymeric strand or fiber material is of staple length
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T442/00—Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
- Y10T442/60—Nonwoven fabric [i.e., nonwoven strand or fiber material]
- Y10T442/637—Including strand or fiber material which is a monofilament composed of two or more polymeric materials in physically distinct relationship [e.g., sheath-core, side-by-side, islands-in-sea, fibrils-in-matrix, etc.] or composed of physical blend of chemically different polymeric materials or a physical blend of a polymeric material and a filler material
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Health & Medical Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Nonwoven Fabrics (AREA)
- Manufacture Of Macromolecular Shaped Articles (AREA)
- Artificial Filaments (AREA)
- Professional, Industrial, Or Sporting Protective Garments (AREA)
- Absorbent Articles And Supports Therefor (AREA)
- Reinforced Plastic Materials (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
Abstract
This invention relates to a nonwoven article comprising a heterogeneous blend comprising: 1) from 60 to 99 weight percent of one or more semi-crystalline polymers (based upon the weight of the semi-crystalline and semi-amorphous polymers), each semi-crystalline polymer comprising propylene and from 0 to 5 weight % alpha-olefin comonomer (based upon the weight of the polymer), said semi-crystalline polymers each having a melting point between 100 and 170~C
and a melt flow rate of 2000 dg/min or less; and 2) from 1 to 40 weight % of one or more semi-amorphous polymers (based upon the weight of the semi-crystalline and semi-amorphous polymers), each semi-amorphous polymer comprising pro Pylene and from 10 to 25 weight % of one or more C2 and or C4 to C10 alpha-olefin comonomers, said semi-amorphous polymers each having: a) heat of fusion of 4 to 70 J/g; b) a Melt Flow Rate of 01. To 2000 dg/min; c) an intermolecular compositional distribution as determined by thermal fractionation in hexane such that 85% by weight or more of the polymer is isolated as one or two adjacent, soluble fractions with the balance of the polymer in immediately preceding or succeeding fractions; and wherein each of these fractions has a wt% comonomer content with a difference of no greater than 20 wt% relative to the average wt% comonomer content of the copolymer;
and d) an Mw/Mn of 1.5 to 4, and e) a propylene triad tacticity, as measured by 13C NMR, of 75% or greater; where the blend of the semi-crystalline and semi-amorphous polymers comprises less than 5 weight % filler, based upon the weight of the polymers and the filler, and the blend has: i) an MFR greater than 10 dg/min; and ii) a Permanent Set of greater than 65% (as measured on a 125 mil thick molded part); and where the nonwoven article has a hand of 40 g or less at a fabric basis weight of 35 gsm.
and a melt flow rate of 2000 dg/min or less; and 2) from 1 to 40 weight % of one or more semi-amorphous polymers (based upon the weight of the semi-crystalline and semi-amorphous polymers), each semi-amorphous polymer comprising pro Pylene and from 10 to 25 weight % of one or more C2 and or C4 to C10 alpha-olefin comonomers, said semi-amorphous polymers each having: a) heat of fusion of 4 to 70 J/g; b) a Melt Flow Rate of 01. To 2000 dg/min; c) an intermolecular compositional distribution as determined by thermal fractionation in hexane such that 85% by weight or more of the polymer is isolated as one or two adjacent, soluble fractions with the balance of the polymer in immediately preceding or succeeding fractions; and wherein each of these fractions has a wt% comonomer content with a difference of no greater than 20 wt% relative to the average wt% comonomer content of the copolymer;
and d) an Mw/Mn of 1.5 to 4, and e) a propylene triad tacticity, as measured by 13C NMR, of 75% or greater; where the blend of the semi-crystalline and semi-amorphous polymers comprises less than 5 weight % filler, based upon the weight of the polymers and the filler, and the blend has: i) an MFR greater than 10 dg/min; and ii) a Permanent Set of greater than 65% (as measured on a 125 mil thick molded part); and where the nonwoven article has a hand of 40 g or less at a fabric basis weight of 35 gsm.
Claims (65)
1. A nonwoven article comprising a heterogeneous blend comprising:
1) from 60 to 99 weight percent of one or more semi-crystalline polymers (based upon the weight of the semi-crystalline and semi-amorphous polymers), each semi-crystalline polymer comprising propylene and from 0 to 5 weight %
alpha-olefin comonomer (based upon the weight of the polymer), said semi-crystalline polymers each having a melting point between 100 and 170°C
and a melt flow rate of 2000 dg/min or less; and
1) from 60 to 99 weight percent of one or more semi-crystalline polymers (based upon the weight of the semi-crystalline and semi-amorphous polymers), each semi-crystalline polymer comprising propylene and from 0 to 5 weight %
alpha-olefin comonomer (based upon the weight of the polymer), said semi-crystalline polymers each having a melting point between 100 and 170°C
and a melt flow rate of 2000 dg/min or less; and
2) from 1 to 40 weight % of one or more semi-amorphous polymers (based upon the weight of the semi-crystalline and semi-amorphous polymers), each semi-amorphous polymer comprising propylene and from 10 to 25 weight % of one or more C2 and or C4 to C10 alpha-olefin comonomers, said semi-amorphous polymers each having:
a) heat of fusion of 4 to 70 J/g;
b) a Melt Flow Rate of 0.1 to 2000 dg/min;
c) an intermolecular compositional distribution as determined by thermal fractionation in hexane such that 85% by weight or more of the polymer is isolated as one or two adjacent, soluble fractions with the balance of the polymer in immediately preceding or succeeding fractions; and wherein each of these fractions has a wt% comonomer content with a difference of no greater than 20 wt% relative to the average wt% comonomer content of the copolymer; and d) an Mw/Mn of 1.5 to 4, and e) a propylene triad tacticity, as measured by 13C NMR, of 75% or greater;
where the blend of the semi-crystalline and semi-amorphous polymers comprises less than 5 weight % filler, based upon the weight of the polymers and the filler, and the blend has:
i) an MFR greater than 10 dg/min; and ii) a Permanent Set of greater than 65% (as measured on a 125 mil thick molded part); and where the nonwoven article has a Hand of 40 g or less at a fabric basis weight of 35 gsm.
2. The article of claim 1 wherein the semi-crystalline polymer comprises propylene and from 1 to 3 weight % of a C2 to C10 alpha olefin comonomer.
a) heat of fusion of 4 to 70 J/g;
b) a Melt Flow Rate of 0.1 to 2000 dg/min;
c) an intermolecular compositional distribution as determined by thermal fractionation in hexane such that 85% by weight or more of the polymer is isolated as one or two adjacent, soluble fractions with the balance of the polymer in immediately preceding or succeeding fractions; and wherein each of these fractions has a wt% comonomer content with a difference of no greater than 20 wt% relative to the average wt% comonomer content of the copolymer; and d) an Mw/Mn of 1.5 to 4, and e) a propylene triad tacticity, as measured by 13C NMR, of 75% or greater;
where the blend of the semi-crystalline and semi-amorphous polymers comprises less than 5 weight % filler, based upon the weight of the polymers and the filler, and the blend has:
i) an MFR greater than 10 dg/min; and ii) a Permanent Set of greater than 65% (as measured on a 125 mil thick molded part); and where the nonwoven article has a Hand of 40 g or less at a fabric basis weight of 35 gsm.
2. The article of claim 1 wherein the semi-crystalline polymer comprises propylene and from 1 to 3 weight % of a C2 to C10 alpha olefin comonomer.
3. The article of claim 2 wherein the alpha-olefin comonomer is selected from the group consisting of ethylene, butene, pentene, hexene, heptene, octene, nonene, and decene.
4. The article of claim 2 wherein the alpha-olefin comonomer is selected from the group consisting of ethylene, butene, hexene, and octene.
5. The article of claim 2 wherein the alpha-olefin comonomer is ethylene.
6. The article of claim 1 wherein the semi-crystalline polymer comprises 0 weight % comonomer.
7. The article of claim 1 wherein the semi-crystalline polymer has a melting point of 120 to 165°C.
8. The article of claim 1 wherein the semi-crystalline polymer has a flexural modulus of between 1030 and 2070 MPa.
9. The article of claim 1 wherein the semi-amorphous polymer comprises propylene and from 12 to 20 weight % of a C2 to C10 alpha olefin comonomer.
10. The article of claim 9 wherein the alpha-olefin comonomer is selected from the group consisting of ethylene, butene, pentene, hexene, heptene, octene, nonene, and decene.
11. The article of claim 9 wherein the alpha-olefin comonomer is selected from the group consisting of ethylene, butene, hexene, and octene.
12. The article of claim 9 wherein the alpha-olefin comonomer is ethylene.
13. The article of claim 1 wherein the semi-amorphous polymer has a percent crystallinity of between 2 and 25%.
14. The article of claim 1 wherein the semi-amorphous polymer has a Mooney viscosity (1+4@125°C) of 3 or more.
15. The article of claim 1 wherein the semi-amorphous polymer has a melt flow rate of 5 to 2000 dg/min.
16. The article of claim 1 wherein the semi-amorphous polymer has a melt flow rate of 20 to 1750 dg/min.
17. The article of claim 1 wherein the heterogeneous blend has a heat deflection temperature of 40°C or more as measured under 1.8 MPa of pressure.
18. The article of claim 1 wherein the heterogeneous blend has a haze of 50%
or less as measured on a 1 mm thick chip.
or less as measured on a 1 mm thick chip.
19. The article of claim 1 wherein the blend further comprises a nucleating and or clarifying agent.
20. The article of claim 19 wherein the blend has a haze of 20% or less as measured on a 1 mm thick chip.
21. The article of claim 20 wherein the blend has a haze of 18% or less.
22. The article of claim 20 wherein the blend has a haze of 16 % or less.
23. The article of claim 20 wherein the blend has a haze of 14% or less.
24. The article of claim 20 wherein the blend has a haze of 12% or less.
25. The article of claim 1 wherein the optimum bonding temperature of the heterogeneous blend is at least 5°C lower than the optimum bonding temperature of the same blend, except that the semi-amorphous polymer is absent.
26. The article of claim 25 where the optimum bonding temperature is at least 10°C lower.
27. The article of claim 25 where the optimum bonding temperature is at least 15°C lower.
28. The article of claim 25 where the optimum bonding temperature is at least 20°C lower.
29. The article of claim 25 where the optimum bonding temperature is at least 25°C lower.
30. The article of claim 25 where the optimum bonding temperature is at least 30°C lower.
31. The article of claim 1 wherein the blend has a permanent set of 85 % or more.
32. The article of claim 1 wherein the blend has a permanent set of 100 % or more.
33. The article of claim 1 wherein the blend has a permanent set of 125 % or more.
34. The article of claim 1 wherein the blend has a permanent set of 150 % or more.
35. The article of claim 1 wherein the nonwoven article has a fabric basis weight of 35 gsm or more, has a TD Peak Tensile load at optimum bonding of at least 5% greater than the TD Peak Tensile load of the same blend except that the semi-amorphous polymer is absent, and has an optimum bonding temperature at least 10°C lower than the optimum bonding temp of the same blend except that the semi-amorphous polymer is absent.
36. The article of claim 1 wherein the semi-amorphous polymer comprises from 12 to 20 weight % comonomer and is present at from 20 to 40 weight %, and wherein the article at 35 g/sq m basis weight has a hand value of 10 to 30 g, a transverse direction peak force at optimum bonding temperature greater than 5 g, a machine direction tear strength greater than 500g, and an optimum bonding temperature 5°C to 40°C lower than that of the same article made from the same composition except that the semi-amorphous polymer is absent.
37. The article of claim 36 wherein the comonomer is ethylene.
38. The article of claim 1 wherein the semi-crystalline polymer has a melting point of 120 to 160 °C and a flexural modulus of 1030 to 2070 MPa; and the semi-amorphous polymer comprises 10 to 20 weight % comonomer, has a percent crystallinity of 2 to 25% and has a Mooney viscosity (1+4@125°C) of 3 or more.
39. The article of claim 1 wherein the heterogeneous blend further comprises a slip agent.
40. The article of claim 1 wherein the heterogeneous blend further comprises from 50 ppm to 10 weight % of a slip agent, based upon the weight of the heterogeneous blend.
41. The article of claim 40 wherein the slip agent is selected from the group consisting of amides having the chemical structure CH3(CH2)7CH=CH(CH2)x CONH2 where x is 5 to 15.
42. The article of claim 40 wherein the slip agent is selected from the group consisting of: erucamide, oleylamide, oleamide, and stearamide.
43. The article of claim 1 wherein the heterogeneous blend further comprises from 50 ppm to 4000 ppm of a nucleating agent, based upon the weight of the total polymer present in the heterogeneous blend.
44. The article of claim 1 wherein the article is packaging material.
45. The article of claim 1 where the article is a package.
46. The article of claim 1 where the article is a nonwoven web.
47. The article of claim 1 where the article is a fabric.
48. The article of claim 1 where the nonwoven is spunbonded.
49. The article of claim 1 where the nowoven is meltblown.
50. The article of claim 1 where the article is a surgical gown or drape.
51. The article of claim 1 where the article is clothing.
52. The article of claim 1 where the article is a diaper.
53. The article of claim 50 where the article comprises a bactericidal agent.
54. The article of claim 1 where the article is selected from the group consisting of: nonwoven fabrics, hook and loop fasteners, fabrics, garments, clothing, medical garments, surgical gowns, surgical drapes, diapers, training pants, sanitary napkins, panty liners, incontinent wear, bed pads, bags, packaging material, packages, swimwear, body fluid impermeable backsheets, body fluid impermeable layers, body fluid permeable layers, body fluid permeable covers, absorbents, tissues, nonwoven composites, liners, cloth linings, scrubbing pads, face masks, respirators, air filters, vacuum bags, oil and chemical spill sorbents, thermal insulation, first aid dressings, medical wraps, fiberfill, outerwear, bed quilt stuffing, furniture padding, filter media, scrubbing pads, wipe materials, hosiery, automotive seats, upholstered furniture, carpets, carpet backing, filter media, disposable wipes, diaper coverstock, gardening fabric, geomembranes, geotextiles, sacks, housewrap, vapor barriers, breathable clothing, envelopes, tamper evident fabrics, protective packaging, and coasters.
55. The article of claim 1 wherein the heterogeneous blend has a continuous phase comprising the semi-crystalline polymer.
56. The article of claim 1 wherein the heterogeneous blend has a discontinuous phase comprising the semi-amorphous polymer.
57. The article of claim 1 wherein the heterogeneous blend has co-continuous phases of the semi-crystalline polymer and the semi-amorphous polymer.
58. The nonwoven article of any of claims 1 to 57 wherein the blend is formed into staple fibers prior to being formed into the non-woven article.
59. The non-woven fabric of claim 58 wherein the staple fiber is crimped.
60. The non-woven fiber of claim 59 wherein the staple fiber is 7 to 200 mm long.
61. A process to produce the article of any of claims 58 to 60, the process comprising:
1) blending a first component comprising from 60 to 99 weight percent of one or more semi-crystalline polymers (based upon the weight of the semi-crystalline and semi-amorphous polymers), each semi-crystalline polymer comprising propylene and from 0 to 5 weight % alpha-olefin comonomer (based upon the weight of the polymer), said semi-crystalline polymers each having a melting point between 100 and 170°C and a melt flow rate of 2000 dg/min or less;
and from 1 to 40 weight % of one or more semi-amorphous polymers (based upon the weight of the semi-crystalline and semi-amorphous polymers), each semi-amorphous polymer comprising propylene and from 10 to 25 weight % of one or more C2 and or C4 to C10 alpha-olefin comonomers, said semi-amorphous polymers each having:
a) heat of fusion of 4 to 70 J/g;
b) a Melt Flow Rate of 0.1 to 2000 dg/min;
c) an intermolecular compositional distribution as determined by thermal fractionation in hexane such that 85% by weight or more of the polymer is isolated as one or two adjacent, soluble fractions with the balance of the polymer in immediately preceding or succeeding fractions; and wherein each of these fractions has a wt% comonomer content with a difference of no greater than 20 wt% relative to the average wt% comonomer content of the copolymer; and d) an Mw/Mn of 1.5 to 4; and e) a propylene triad tacticity, as measured by 13C NMR, of 75% or greater;
where the blend of the semi-crystalline and semi-amorphous polymers comprises less than 5 weight % filler, based upon the weight of the polymers and the filler, and the blend has:
i) an MFR greater than 30 dg/min; and ii) a Permanent Set of greater than 65% (as measured on a 125 mil thick molded part); and 2) extruding the blend composition to produce, finish, and wind a filament, then draw, finish, crimp, heat set and cut the filament into a staple fiber;
and 3) forming the staple fiber into a non-woven fabric, where the nonwoven article has a Hand of 40 g or less at a weight of 35 gsm.
1) blending a first component comprising from 60 to 99 weight percent of one or more semi-crystalline polymers (based upon the weight of the semi-crystalline and semi-amorphous polymers), each semi-crystalline polymer comprising propylene and from 0 to 5 weight % alpha-olefin comonomer (based upon the weight of the polymer), said semi-crystalline polymers each having a melting point between 100 and 170°C and a melt flow rate of 2000 dg/min or less;
and from 1 to 40 weight % of one or more semi-amorphous polymers (based upon the weight of the semi-crystalline and semi-amorphous polymers), each semi-amorphous polymer comprising propylene and from 10 to 25 weight % of one or more C2 and or C4 to C10 alpha-olefin comonomers, said semi-amorphous polymers each having:
a) heat of fusion of 4 to 70 J/g;
b) a Melt Flow Rate of 0.1 to 2000 dg/min;
c) an intermolecular compositional distribution as determined by thermal fractionation in hexane such that 85% by weight or more of the polymer is isolated as one or two adjacent, soluble fractions with the balance of the polymer in immediately preceding or succeeding fractions; and wherein each of these fractions has a wt% comonomer content with a difference of no greater than 20 wt% relative to the average wt% comonomer content of the copolymer; and d) an Mw/Mn of 1.5 to 4; and e) a propylene triad tacticity, as measured by 13C NMR, of 75% or greater;
where the blend of the semi-crystalline and semi-amorphous polymers comprises less than 5 weight % filler, based upon the weight of the polymers and the filler, and the blend has:
i) an MFR greater than 30 dg/min; and ii) a Permanent Set of greater than 65% (as measured on a 125 mil thick molded part); and 2) extruding the blend composition to produce, finish, and wind a filament, then draw, finish, crimp, heat set and cut the filament into a staple fiber;
and 3) forming the staple fiber into a non-woven fabric, where the nonwoven article has a Hand of 40 g or less at a weight of 35 gsm.
62. The process of claim 61 wherein the staple fiber is 7 to 200 mm long.
63. A process to produce the nonwoven article of any of claims 58 to 60, the process comprising:
1) blending a first component comprising from 60 to 99 weight percent of one or more semi-crystalline polymers (based upon the weight of the semi-crystalline and semi-amorphous polymers), each semi-crystalline polymer comprising propylene and from 0 to 5 weight % alpha-olefin comonomer (based upon the weight of the polymer), said semi-crystalline polymers each having a melting point between 100 and 170°C and a melt flow rate of 2000 dg/min or less;
with from 1 to 40 weight % of one or more semi-amorphous polymers (based upon the weight of the semi-crystalline and semi-amorphous polymers), each semi-amorphous polymer comprising propylene and from 10 to 25 weight % of one or more C2 and or C4 to C10 alpha-olefin comonomers, said semi-amorphous polymers each having:
a) heat of fusion of 4 to 70 J/g;
b) a Melt Flow Rate of 0.1 to 2000 dg/min;
c) an Mw/Mn of 1.5 to 4, and d) a propylene triad tacticity, as measured by 13C NMR, of 75% or greater;
where the blend of the semi-crystalline and semi-amorphous polymers comprises less than 5 weight % filler, based upon the weight of the polymers and the filler, and the blend has:
i) an MFR greater than 30 dg/min; and ii) a Permanent Set of greater than 65% (as measured on a 125 mil thick molded part); and 2) extruding the blend composition to produce, finish, and wind a filament, then draw, finish, crimp, heat set and cut the filament into a staple fiber;
and 3) forming the staple fiber into a non-woven fabric, where the nonwoven article has a Hand of 40 g or less at a weight of 35 gsm.
1) blending a first component comprising from 60 to 99 weight percent of one or more semi-crystalline polymers (based upon the weight of the semi-crystalline and semi-amorphous polymers), each semi-crystalline polymer comprising propylene and from 0 to 5 weight % alpha-olefin comonomer (based upon the weight of the polymer), said semi-crystalline polymers each having a melting point between 100 and 170°C and a melt flow rate of 2000 dg/min or less;
with from 1 to 40 weight % of one or more semi-amorphous polymers (based upon the weight of the semi-crystalline and semi-amorphous polymers), each semi-amorphous polymer comprising propylene and from 10 to 25 weight % of one or more C2 and or C4 to C10 alpha-olefin comonomers, said semi-amorphous polymers each having:
a) heat of fusion of 4 to 70 J/g;
b) a Melt Flow Rate of 0.1 to 2000 dg/min;
c) an Mw/Mn of 1.5 to 4, and d) a propylene triad tacticity, as measured by 13C NMR, of 75% or greater;
where the blend of the semi-crystalline and semi-amorphous polymers comprises less than 5 weight % filler, based upon the weight of the polymers and the filler, and the blend has:
i) an MFR greater than 30 dg/min; and ii) a Permanent Set of greater than 65% (as measured on a 125 mil thick molded part); and 2) extruding the blend composition to produce, finish, and wind a filament, then draw, finish, crimp, heat set and cut the filament into a staple fiber;
and 3) forming the staple fiber into a non-woven fabric, where the nonwoven article has a Hand of 40 g or less at a weight of 35 gsm.
64. The process of claim 63 wherein the staple fiber is 7 to 200 mm long.
65. The process of any of the above claims 61 to 64 wherein the intermolecular compositional distribution of the semi-amorphous polymer is such that 90% by weight or more of the polymer is isolated as one or two adjacent, soluble fractions with the balance of the polymer in immediately preceding or succeeding fractions; and wherein each of these fractions has a wt%
comonomer content with a difference of no greater than 10 wt% relative to the average wt% comonomer content of the copolymer.
comonomer content with a difference of no greater than 10 wt% relative to the average wt% comonomer content of the copolymer.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US63742904P | 2004-12-17 | 2004-12-17 | |
US60/637,429 | 2004-12-17 | ||
PCT/US2005/044686 WO2006065663A1 (en) | 2004-12-17 | 2005-12-09 | Polymer blends and nonwoven articles therefrom |
Publications (2)
Publication Number | Publication Date |
---|---|
CA2586907A1 true CA2586907A1 (en) | 2006-06-22 |
CA2586907C CA2586907C (en) | 2010-03-16 |
Family
ID=34956453
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA2586907A Expired - Fee Related CA2586907C (en) | 2004-12-17 | 2005-12-09 | Polymer blends and nonwoven articles therefrom |
Country Status (8)
Country | Link |
---|---|
US (1) | US7319077B2 (en) |
EP (1) | EP1833910B1 (en) |
JP (1) | JP4809845B2 (en) |
CN (5) | CN101111555B (en) |
AT (1) | ATE440909T1 (en) |
CA (1) | CA2586907C (en) |
DE (1) | DE602005016304D1 (en) |
WO (1) | WO2006065663A1 (en) |
Families Citing this family (97)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8003725B2 (en) * | 2002-08-12 | 2011-08-23 | Exxonmobil Chemical Patents Inc. | Plasticized hetero-phase polyolefin blends |
US7662885B2 (en) * | 2002-08-12 | 2010-02-16 | Exxonmobil Chemical Patents Inc. | Method to make an article comprising polymer concentrate |
US7998579B2 (en) * | 2002-08-12 | 2011-08-16 | Exxonmobil Chemical Patents Inc. | Polypropylene based fibers and nonwovens |
US7271209B2 (en) * | 2002-08-12 | 2007-09-18 | Exxonmobil Chemical Patents Inc. | Fibers and nonwovens from plasticized polyolefin compositions |
US7531594B2 (en) * | 2002-08-12 | 2009-05-12 | Exxonmobil Chemical Patents Inc. | Articles from plasticized polyolefin compositions |
US7795366B2 (en) * | 2002-08-12 | 2010-09-14 | Exxonmobil Chemical Patents Inc. | Modified polyethylene compositions |
BR0313398A (en) * | 2002-08-12 | 2005-06-28 | Exxonmobil Chem Patents Inc | Plasticized Polyolefin Compositions |
US8192813B2 (en) * | 2003-08-12 | 2012-06-05 | Exxonmobil Chemical Patents, Inc. | Crosslinked polyethylene articles and processes to produce same |
US20100029164A1 (en) * | 2008-08-04 | 2010-02-04 | Sudhin Datta | Soft Polypropylene-Based Nonwovens |
US9018112B2 (en) * | 2003-11-18 | 2015-04-28 | Exxonmobil Chemicals Patents Inc. | Extensible polypropylene-based nonwovens |
US7476710B2 (en) * | 2004-12-17 | 2009-01-13 | Exxonmobil Chemical Patents Inc. | Heterogeneous polymer blends and molded articles therefrom |
US8389615B2 (en) | 2004-12-17 | 2013-03-05 | Exxonmobil Chemical Patents Inc. | Elastomeric compositions comprising vinylaromatic block copolymer, polypropylene, plastomer, and low molecular weight polyolefin |
EP1833911B1 (en) * | 2004-12-17 | 2009-07-08 | ExxonMobil Chemical Patents Inc. | Films from polymer blends |
WO2007011541A1 (en) | 2005-07-15 | 2007-01-25 | Exxonmobil Chemical Patents Inc. | Elastomeric compositions |
US8927108B2 (en) | 2006-01-10 | 2015-01-06 | Exxonmobil Chemical Patents Inc. | Films incorporating polymeric material combinations, articles made therefrom, and methods of making such films and articles |
BRPI0707677A2 (en) * | 2006-02-02 | 2011-05-10 | Basell Polylefine Gmbh | propilemo melt-blown resins, propylene melt-blown resin fibers and non-woven fabric made from them, methods of making the same |
WO2008012144A1 (en) * | 2006-07-28 | 2008-01-31 | Basell Poliolefine Italia S.R.L. | Propylene polymers |
US8728960B2 (en) * | 2007-01-19 | 2014-05-20 | Exxonmobil Chemical Patents Inc. | Spunbond fibers and fabrics from polyolefin blends |
US7951732B2 (en) * | 2007-01-26 | 2011-05-31 | Exxonmobil Chemical Patents Inc. | Elastomeric laminates for consumer products |
US7943701B2 (en) * | 2007-01-26 | 2011-05-17 | Exxonmobil Chemical Patents Inc. | Fibers and non-wovens prepared with propylene-based elastomers |
US7615589B2 (en) * | 2007-02-02 | 2009-11-10 | Exxonmobil Chemical Patents Inc. | Properties of peroxide-cured elastomer compositions |
US8263707B2 (en) | 2007-04-09 | 2012-09-11 | Exxonmobil Chemical Patents Inc. | Soft heterogeneous isotactic polypropylene compositions |
CA2683693C (en) | 2007-04-09 | 2012-12-18 | Exxonmobil Chemical Patents Inc. | Soft heterogeneous isotactic polypropylene compositions |
US9096747B2 (en) | 2007-04-09 | 2015-08-04 | Exxonmobil Chemical Patents Inc. | Isotactic polypropylene nucleation |
PL2183420T3 (en) | 2007-08-17 | 2018-05-30 | Fiberweb Llc | Area bonded nonwoven fabric from single polymer system |
EP2034056A1 (en) * | 2007-09-04 | 2009-03-11 | Total Petrochemicals Research Feluy | Metallocene polypropylene fibers and nonwovens with improved mechanical properties. |
US7906588B2 (en) | 2007-10-26 | 2011-03-15 | Exxonmobil Chemical Patents Inc. | Soft heterogeneous isotactic polypropylene compositions |
JP2011506716A (en) * | 2007-12-18 | 2011-03-03 | バーゼル・ポリオレフィン・イタリア・ソチエタ・ア・レスポンサビリタ・リミタータ | Transparent polyolefin composition |
EP2113591A1 (en) * | 2008-04-29 | 2009-11-04 | Total Petrochemicals Research Feluy | Fibers and nonwovens comprising with improved mechanical and bonding properties |
US8017534B2 (en) * | 2008-03-17 | 2011-09-13 | Kimberly-Clark Worldwide, Inc. | Fibrous nonwoven structure having improved physical characteristics and method of preparing |
US8283400B2 (en) * | 2008-06-09 | 2012-10-09 | Exxonmobil Chemical Patents Inc. | Polyolefin adhesive compositions |
US8431642B2 (en) * | 2008-06-09 | 2013-04-30 | Exxonmobil Chemical Patents Inc. | Polyolefin adhesive compositions and articles made therefrom |
US8242198B2 (en) * | 2008-06-09 | 2012-08-14 | Exxonmobil Chemical Patents Inc. | Polyolefin adhesive compositions |
WO2009155244A1 (en) * | 2008-06-16 | 2009-12-23 | Sunoco, Inc | Extensible spunbonded non-woven fabrics |
US8414988B2 (en) * | 2008-06-19 | 2013-04-09 | Fina Technology, Inc. | Injection stretch blow molded articles and polymers for use therein |
MX2011003290A (en) | 2008-09-30 | 2011-04-26 | Exxonmobil Chem Patents Inc | Extensible nonwoven facing layer for elastic multilayer fabrics. |
US20100266818A1 (en) * | 2009-04-21 | 2010-10-21 | Alistair Duncan Westwood | Multilayer Composites And Apparatuses And Methods For Their Making |
US20100266824A1 (en) * | 2009-04-21 | 2010-10-21 | Alistair Duncan Westwood | Elastic Meltblown Laminate Constructions and Methods for Making Same |
US9168720B2 (en) | 2009-02-27 | 2015-10-27 | Exxonmobil Chemical Patents Inc. | Biaxially elastic nonwoven laminates having inelastic zones |
US8664129B2 (en) * | 2008-11-14 | 2014-03-04 | Exxonmobil Chemical Patents Inc. | Extensible nonwoven facing layer for elastic multilayer fabrics |
US9498932B2 (en) | 2008-09-30 | 2016-11-22 | Exxonmobil Chemical Patents Inc. | Multi-layered meltblown composite and methods for making same |
US10161063B2 (en) | 2008-09-30 | 2018-12-25 | Exxonmobil Chemical Patents Inc. | Polyolefin-based elastic meltblown fabrics |
US9168718B2 (en) | 2009-04-21 | 2015-10-27 | Exxonmobil Chemical Patents Inc. | Method for producing temperature resistant nonwovens |
US20100125114A1 (en) * | 2008-11-14 | 2010-05-20 | Williams Michael G | Propylene-Based Film Compositions |
US8431643B2 (en) * | 2009-05-29 | 2013-04-30 | Exxonmobil Chemical Patents Inc. | Polyolefin adhesive compositions and method of making thereof |
WO2011011124A1 (en) * | 2009-07-23 | 2011-01-27 | Exxonmobil Chemical Patents Inc. | Polypropylene-based elastomer coating compositions |
US8398752B2 (en) * | 2009-08-04 | 2013-03-19 | Jerry M. Brownstein | High efficiency low pressure drop synthetic fiber based air filter made completely from post consumer waste materials |
US20110054117A1 (en) * | 2009-08-27 | 2011-03-03 | Hall Gregory K | Polyolefin Adhesive Compositions and Method of Making Thereof |
KR20120050501A (en) * | 2009-10-02 | 2012-05-18 | 엑손모빌 케미칼 패턴츠 인코포레이티드 | Multi-layered meltblown composite and methods for making same |
PL2325248T3 (en) * | 2009-11-16 | 2012-11-30 | Borealis Ag | Melt blown fibers of polypropylene compositions |
US8668975B2 (en) | 2009-11-24 | 2014-03-11 | Exxonmobil Chemical Patents Inc. | Fabric with discrete elastic and plastic regions and method for making same |
US20110159259A1 (en) * | 2009-12-31 | 2011-06-30 | Cheil Industries Inc. | Molded Article for Electronic Device Housing and Method for Preparing the Same |
CN102146617A (en) * | 2010-02-04 | 2011-08-10 | 洪振宁 | Method for manufacturing mixed staple fiber needle-punched high-strength geotextile |
JP5766724B2 (en) * | 2010-02-19 | 2015-08-19 | エクソンモービル・ケミカル・パテンツ・インク | Elastic polymer blends and methods for their production |
JP5405675B2 (en) | 2010-03-12 | 2014-02-05 | エクソンモービル・ケミカル・パテンツ・インク | Elastic meltblown laminate structure and method for making the same |
WO2011159400A1 (en) * | 2010-06-15 | 2011-12-22 | Exxonmobil Chemical Patents Inc. | Nonwoven fabrics made from polymer blends and methods for making same |
WO2012009043A1 (en) | 2010-07-12 | 2012-01-19 | Exxonmobil Oil Corporation | Laminate film and method of making the same |
WO2012024049A1 (en) * | 2010-08-19 | 2012-02-23 | Dow Global Technologies Llc | Fabricated articles comprising polyolefins |
EP2527593B1 (en) * | 2011-05-23 | 2013-07-10 | Borealis AG | Random propylene copolymer with high stiffness and low haze |
CN102746581B (en) * | 2012-07-31 | 2015-01-07 | 泉州华硕实业有限公司 | Formula of cosmetic outer package plastic lid and preparation method thereof |
CN104769020B (en) * | 2012-10-31 | 2017-12-22 | 埃克森美孚化学专利公司 | The product of the resin containing broad molecular weight distribution polypropylene |
FR2998628B1 (en) * | 2012-11-28 | 2015-01-16 | Aplix Sa | MOLDING ACCELING ELEMENTS AND METHOD OF MAKING SAME |
US9322114B2 (en) * | 2012-12-03 | 2016-04-26 | Exxonmobil Chemical Patents Inc. | Polypropylene fibers and fabrics |
EP2807293A1 (en) * | 2013-01-22 | 2014-12-03 | Total Research & Technology Feluy | High-tenacity drawn fibers of a polypropylene composition with improved elongational properties and nonwovens |
BR112015022743B1 (en) | 2013-03-12 | 2022-08-23 | Fitesa Nonwoven, Inc. | NONWOVEN FABRIC, EXTENDABLE NONWOVEN FABRIC, METHOD OF MANUFACTURING A NONWOVEN FABRIC, LAMINATE COMPOSITE MATERIAL AND ABSORBENT ARTICLE |
WO2014204780A1 (en) * | 2013-06-18 | 2014-12-24 | Exxonmobil Chemical Patents Inc. | Fibers and nonwoven materials prepared therefrom |
US10030322B2 (en) | 2013-07-15 | 2018-07-24 | Hills, Inc. | Method of forming a continuous filament spun-laid web |
CN104327369B (en) * | 2013-07-22 | 2017-06-23 | 中国石油化工股份有限公司 | A kind of polypropene composition and polypropylene granules |
WO2015047604A1 (en) | 2013-09-30 | 2015-04-02 | Exxonmobil Chemical Patents Inc. | Polymer compositions and articles made therefrom |
US9688847B2 (en) * | 2013-10-31 | 2017-06-27 | Idemitsu Kosan Co., Ltd. | Polyolefin composition, oriented polyolefin film, and production method for same |
WO2016137559A1 (en) | 2015-02-26 | 2016-09-01 | Exxonmobil Chemical Patents Inc. | Compositions comprising propylene-based elastomers and polyalphaolefins |
JP6049222B2 (en) * | 2015-03-30 | 2016-12-21 | 大王製紙株式会社 | Absorbent article and manufacturing method thereof |
DK3321408T3 (en) * | 2015-07-06 | 2020-12-14 | Mitsui Chemicals Inc | SPIN-BONDED NON-WOVEN FABRIC AND HYGIENE MATERIAL |
CN105566753B (en) * | 2015-12-08 | 2017-12-01 | 四川大学 | A kind of controllable containing content and continuous polypropylene material of β scorching layers and preparation method thereof in order |
CN105538735B (en) * | 2015-12-08 | 2018-02-09 | 四川大学 | A kind of controllable containing content and continuous polypropylene material of α scorching layers and preparation method thereof in order |
US11034819B2 (en) * | 2016-02-24 | 2021-06-15 | Exxonmobil Chemical Patents Inc. | Self-assembled propylene-based compositions and methods of production thereof |
DK3216905T3 (en) * | 2016-03-10 | 2019-09-23 | Reifenhaeuser Masch | Weldable spunbonded fabric, method of making a weldable spunbonded fabric and packaging |
US10687632B1 (en) | 2016-04-03 | 2020-06-23 | Soothsoft Innovations Worldwide, Inc. | PCM containing liquid saturated foam device |
WO2018034760A1 (en) | 2016-08-15 | 2018-02-22 | Exxonmobil Chemical Patents Inc. | Propylene-alpha olefin copolymers and methods for making the same |
WO2018034759A1 (en) | 2016-08-15 | 2018-02-22 | Exxonmobil Chemical Patents Inc. | Propylene-olefin copolymers and methods for making the same |
CN109983167A (en) * | 2016-12-09 | 2019-07-05 | 博里利斯股份公司 | Multi-layer nonwoven structure |
EP3333222A1 (en) * | 2016-12-12 | 2018-06-13 | SABIC Global Technologies B.V. | Composition comprising heterophasic propylene copolymer |
JP7160810B2 (en) * | 2016-12-14 | 2022-10-25 | ピーエフノンウーヴンズ リミテッド ライアビリティ カンパニー | Hydraulic treated nonwoven fabric and method for producing same |
CN107163395B (en) * | 2017-06-30 | 2019-10-25 | 吉林恒辉新材料有限公司 | A kind of PP composite material and preparation method thereof |
CN110945165A (en) * | 2017-07-31 | 2020-03-31 | 3M创新有限公司 | Fibers comprising crystalline polyolefin and hydrocarbon tackifier resin and process for making same |
WO2019030750A1 (en) * | 2017-08-06 | 2019-02-14 | Ariel Scientific Innovations Ltd. | Polymeric crystalline composition, method of manufacturing same and uses thereof |
US11512191B2 (en) | 2017-11-10 | 2022-11-29 | Avient Corporation | Polyolefin elastomer blends for elastomeric films |
JP2021504600A (en) | 2017-11-22 | 2021-02-15 | エクストルージョン グループ, エルエルシーExtrusion Group, Llc | Melt blown die chip assembly and method |
US11528954B2 (en) * | 2018-08-24 | 2022-12-20 | O&M Halyard, Inc. | Personal protection and ventilation system |
CA3110017A1 (en) * | 2018-08-24 | 2020-02-27 | O&M Halyard, Inc. | Personal protection and ventilation system |
CN110965207B (en) * | 2018-09-30 | 2022-01-04 | 俊富非织造材料有限公司 | Spun-bonded polypropylene non-woven fabric and preparation method thereof |
WO2021059260A1 (en) * | 2019-09-23 | 2021-04-01 | Carmel Olefins Ltd | Polypropylene compositions for soft nonwoven fabrics |
EP3808809A1 (en) * | 2019-10-16 | 2021-04-21 | Evonik Operations GmbH | Amorphous poly-alpha-olefin-containing polyolefin |
JP2023505965A (en) * | 2019-12-10 | 2023-02-14 | ダウ グローバル テクノロジーズ エルエルシー | Oriented polyethylene film and article containing same |
WO2021195070A1 (en) * | 2020-03-26 | 2021-09-30 | Exxonmobil Chemical Patents Inc. | Processes for making 3-d objects from blends of polypropylene and semi-amorphous polymers |
FR3109500B1 (en) * | 2020-04-22 | 2022-04-29 | Dedienne Multiplasturgy Group | Filtering protective mask |
CN112899890B (en) * | 2021-01-25 | 2022-02-18 | 浙江祥隆科技有限公司 | Nano SiO2 grafted polyacrylonitrile waterproof breathable fiber membrane and preparation method thereof |
Family Cites Families (78)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BE599410A (en) * | 1960-01-23 | |||
NL122826C (en) * | 1960-10-17 | |||
NL296509A (en) * | 1962-09-10 | |||
US3888949A (en) * | 1973-06-21 | 1975-06-10 | Du Pont | Blends of propylene-alpha-olefin copolymers and polypropylene |
US3882197A (en) * | 1973-06-21 | 1975-05-06 | Du Pont | Alpha-olefin copolymer blends |
CA1150452A (en) | 1979-10-22 | 1983-07-26 | Kimberly-Clark Corporation | Secretafacient device |
US4461872A (en) * | 1983-02-22 | 1984-07-24 | E. I. Du Pont De Nemours And Company | Blends of a propylene/α-olefin copolymer with isotactic prolypropylene |
US4665130A (en) * | 1984-08-31 | 1987-05-12 | Shell Oil Company | Packaging film and sheet capable of forming peelable seals with good optics |
GB8613161D0 (en) * | 1986-05-30 | 1986-07-02 | Exxon Chemical Patents Inc | Sealable films |
US5213744A (en) * | 1987-04-21 | 1993-05-25 | Exxon Chemical Patents Inc. | Process for making polyolefin films |
IT1227893B (en) | 1988-12-14 | 1991-05-14 | Himont Inc Centerville Road Ne | POLYPROPYLENE COMPOSITIONS WITH GOOD TRANSPARENCY AND IMPROVED IMPACT RESISTANCE |
KR900009719A (en) | 1988-12-16 | 1990-07-05 | 엠. 데이비드 레오나이드 | New Ethylene-Propylene Copolymer |
CA2012729C (en) * | 1989-04-07 | 1997-05-20 | Takashi Kuroda | Dulled stretched molding and process for producing the same |
IT1230133B (en) | 1989-04-28 | 1991-10-14 | Himont Inc | PLASTIC-ELASTIC POLYPROPYLENE COMPOSITIONS |
US5171628A (en) * | 1989-05-25 | 1992-12-15 | Exxon Chemical Patents Inc. | Low creep polypropylene textiles |
JP3015967B2 (en) * | 1989-10-02 | 2000-03-06 | 旭化成工業株式会社 | Multilayer packaging film and method for producing the same |
AU636487B2 (en) | 1990-06-18 | 1993-04-29 | Kimberly-Clark Worldwide, Inc. | A nonwoven web with improved barrier properties |
US6495656B1 (en) * | 1990-11-30 | 2002-12-17 | Eastman Chemical Company | Copolyesters and fibrous materials formed therefrom |
US6153703A (en) * | 1991-12-20 | 2000-11-28 | Exxon Research And Engineering Company | Semicrystalline polymer blend compositions with enhanced interspherulitic and interlamellar strength |
US5331047A (en) * | 1993-02-17 | 1994-07-19 | Himont Incorporated | Olefin polymer films |
EP0700464A1 (en) * | 1993-05-25 | 1996-03-13 | Exxon Chemical Patents Inc. | Novel polyolefin fibers and their fabrics |
DE4317655A1 (en) | 1993-05-27 | 1994-12-01 | Basf Ag | Multi-phase block copolymers of propylene |
GB2278363B (en) * | 1993-05-28 | 1996-10-30 | Chaloke Pungtrakul | A method for the prevention of blocking in linear low density polyethylene films |
EP0812854B2 (en) | 1993-06-07 | 2011-04-20 | Mitsui Chemicals, Inc. | Novel transition metal compound, olefin polymerization catalyst comprising said compound, process for olefin polymerization using said catalyst and propylene homo- and copolymer |
EP1209165B1 (en) * | 1993-06-07 | 2006-04-19 | Mitsui Chemicals, Inc. | Propylene elastomer |
CN1094419C (en) * | 1994-05-24 | 2002-11-20 | 埃克森美孚化学专利公司 | Fibers and fabrics incorporating lower melting propylene polymers |
JP3380043B2 (en) * | 1994-06-30 | 2003-02-24 | 三菱樹脂株式会社 | Stretch film for food packaging |
US5635290A (en) * | 1994-07-18 | 1997-06-03 | Kimberly-Clark Corporation | Knit like nonwoven fabric composite |
US5552489A (en) * | 1994-07-22 | 1996-09-03 | Exxon Chemical Patents Inc. | Tackifiers and a process to obtain tackifiers |
CN1161721A (en) * | 1994-08-30 | 1997-10-08 | 金伯利-克拉克环球有限公司 | Nonwoven fabric from blends of isotactic and actactic polyolefins |
CN1080338C (en) * | 1995-11-30 | 2002-03-06 | 金伯利-克拉克环球有限公司 | Superfine microfiber nonwoven web |
WO1997040216A1 (en) * | 1996-04-25 | 1997-10-30 | Chisso Corporation | Polyolefin fibers and nonwoven fabric produced using the same |
US6576306B2 (en) * | 1996-09-04 | 2003-06-10 | Exxonmobil Chemical Patents Inc. | Propylene polymers for films |
US5994482A (en) * | 1997-03-04 | 1999-11-30 | Exxon Chemical Patents, Inc. | Polypropylene copolymer alloys and process for making |
US6080818A (en) * | 1997-03-24 | 2000-06-27 | Huntsman Polymers Corporation | Polyolefin blends used for non-woven applications |
US6635715B1 (en) | 1997-08-12 | 2003-10-21 | Sudhin Datta | Thermoplastic polymer blends of isotactic polypropylene and alpha-olefin/propylene copolymers |
US6525157B2 (en) * | 1997-08-12 | 2003-02-25 | Exxonmobile Chemical Patents Inc. | Propylene ethylene polymers |
US6921794B2 (en) * | 1997-08-12 | 2005-07-26 | Exxonmobil Chemical Patents Inc. | Blends made from propylene ethylene polymers |
US6017615A (en) * | 1997-08-25 | 2000-01-25 | Huntsman Polymers Corporation | Film product comprising novel polyolefins |
US6165599A (en) * | 1997-09-15 | 2000-12-26 | Applied Extrusion Technologies, Inc. | Biaxially oriented film prepared from metallocene catalyzed polypropylene |
US6444774B1 (en) | 1997-10-10 | 2002-09-03 | Exxonmobil Chemical Patents, Inc. | Propylene polymers for fibers and fabrics |
US6096420A (en) * | 1998-01-30 | 2000-08-01 | Tredegar Corporation | Thin plastic film |
US6825280B1 (en) | 1998-06-05 | 2004-11-30 | Japan Polychem Corporation | Propylene block copolymer and propylene resin composition |
US6833404B2 (en) | 1998-06-30 | 2004-12-21 | H.B. Fuller Licensing & Financing Inc. | Hot melts utilizing a high glass transition temperature substantially aliphatic tackifying resin |
WO2000001766A1 (en) * | 1998-07-01 | 2000-01-13 | Exxon Chemical Patents Inc. | Elastic blends comprising crystalline polymer and crystallizable polymers of propylene |
WO2000001745A1 (en) * | 1998-07-02 | 2000-01-13 | Exxon Chemical Patents Inc. | Propylene olefin copolymers |
US6583076B1 (en) * | 1999-01-08 | 2003-06-24 | Kimberly-Clark Worldwide, Inc. | Nonwoven fabrics prepared using visbroken single-site catalyzed polypropylene |
US6750284B1 (en) * | 1999-05-13 | 2004-06-15 | Exxonmobil Chemical Patents Inc. | Thermoplastic filled membranes of propylene copolymers |
DE60040697D1 (en) | 1999-05-13 | 2008-12-11 | Exxonmobil Chem Patents Inc | Elastic fibers and articles made therefrom containing crystalline and crystallizable propylene polymers |
US6500563B1 (en) * | 1999-05-13 | 2002-12-31 | Exxonmobil Chemical Patents Inc. | Elastic films including crystalline polymer and crystallizable polymers of propylene |
CA2310925C (en) * | 1999-06-11 | 2005-10-11 | Kuraray Co., Ltd. | Multilayered structure |
US6143818A (en) * | 1999-08-04 | 2000-11-07 | Ato Findley, Inc. | Hot melt adhesive based on ethylene-propylene rubber (EPR) and semicrystalline olefinic polymers |
WO2001046278A2 (en) * | 1999-12-21 | 2001-06-28 | Exxon Chemical Patents Inc. | Adhesive alpha-olefin inter-polymers |
CN100575324C (en) | 1999-12-23 | 2009-12-30 | 巴塞尔聚烯烃有限公司 | Transistion metal compound, ligand system, catalyst system and in the polyreaction of alkene and the purposes in the copolyreaction |
US6476135B1 (en) * | 2000-06-07 | 2002-11-05 | Basell Poliolefine Italia S.P.A. | Polyolefin composition containing low viscosity propylene homopolymer, fiber and extensible non-woven fabric prepared therefrom |
US6932592B2 (en) * | 2000-06-22 | 2005-08-23 | Exxonmobil Chemical Patents Inc. | Metallocene-produced very low density polyethylenes |
EP1179563B1 (en) * | 2000-08-11 | 2004-05-19 | Japan Polychem Corporation | Resin composition for heat-shrinkable polypropylene shrink label and film comprising same |
US6657009B2 (en) * | 2000-12-29 | 2003-12-02 | Kimberly-Clark Worldwide, Inc. | Hot-melt adhesive having improved bonding strength |
US6388013B1 (en) * | 2001-01-04 | 2002-05-14 | Equistar Chemicals, Lp | Polyolefin fiber compositions |
US6531214B2 (en) * | 2001-02-14 | 2003-03-11 | 3M Innovative Properties Company | Replacement for plasticized polyvinyl chloride |
JP2004527617A (en) * | 2001-04-12 | 2004-09-09 | エクソンモービル・ケミカル・パテンツ・インク | Propylene-ethylene copolymer |
WO2003021569A1 (en) | 2001-08-29 | 2003-03-13 | Tokyo Electron Limited | Facility monitor |
US6960635B2 (en) | 2001-11-06 | 2005-11-01 | Dow Global Technologies Inc. | Isotactic propylene copolymers, their preparation and use |
EP1453994B1 (en) | 2001-11-06 | 2007-05-02 | Dow Global Technologies Inc. | Isotactic propylene copolymer fibers, their preparation and use |
WO2003040095A2 (en) | 2001-11-06 | 2003-05-15 | Dow Global Technologies Inc. | Crystallization of polypropylene using a semi-crystalline, branched or coupled nucleating agent |
WO2003040233A2 (en) | 2001-11-06 | 2003-05-15 | Dow Global Technologies Inc. | Impact resistant polymer blends of crystalline polypropylene and partially crystalline, low molecular weight impact modifiers |
US6906160B2 (en) * | 2001-11-06 | 2005-06-14 | Dow Global Technologies Inc. | Isotactic propylene copolymer fibers, their preparation and use |
EP1444276A1 (en) | 2001-11-06 | 2004-08-11 | Dow Global Technologies, Inc. | Isotactic propylene copolymers, their preparation and use |
US6900147B2 (en) * | 2001-11-28 | 2005-05-31 | Kimberly-Clark Worldwide, Inc. | Nonwoven webs having improved necking uniformity |
WO2004035681A2 (en) | 2002-10-17 | 2004-04-29 | Exxonmobil Chemical Patents Inc. | Hetero phase polymer compositions |
AU2003297134A1 (en) | 2002-12-17 | 2004-07-29 | Exxonmobil Chemical Patents Inc. | Elastic blends comprising elastic crystalline polymer and crystallizable polymers for ethylene |
US7312167B2 (en) * | 2002-12-23 | 2007-12-25 | Kimberly-Clark Worldwide, Inc. | Breathable multilayer films for use in absorbent articles |
JP4147123B2 (en) * | 2003-02-10 | 2008-09-10 | 日本ポリプロ株式会社 | Nonwoven fabric made of flexible fibers |
US6984696B2 (en) * | 2003-03-28 | 2006-01-10 | Exxonmobil Chemical Patents Inc. | Elastic blends of semicrystalline propylene polymers and high glass transition temperature materials |
US20050106978A1 (en) * | 2003-11-18 | 2005-05-19 | Cheng Chia Y. | Elastic nonwoven fabrics made from blends of polyolefins and processes for making the same |
ATE467658T1 (en) * | 2004-12-17 | 2010-05-15 | Exxonmobil Chem Patents Inc | HOMOGENEOUS POLYMER BLEND AND ARTICLES THEREOF |
US7476710B2 (en) * | 2004-12-17 | 2009-01-13 | Exxonmobil Chemical Patents Inc. | Heterogeneous polymer blends and molded articles therefrom |
EP1833911B1 (en) * | 2004-12-17 | 2009-07-08 | ExxonMobil Chemical Patents Inc. | Films from polymer blends |
-
2005
- 2005-12-09 CN CN2005800475279A patent/CN101111555B/en not_active Expired - Fee Related
- 2005-12-09 AT AT05853568T patent/ATE440909T1/en not_active IP Right Cessation
- 2005-12-09 CN CNA2005800435021A patent/CN101080462A/en active Pending
- 2005-12-09 JP JP2007546780A patent/JP4809845B2/en not_active Expired - Fee Related
- 2005-12-09 CN CN201510058789.0A patent/CN104963085A/en active Pending
- 2005-12-09 US US11/299,167 patent/US7319077B2/en active Active
- 2005-12-09 WO PCT/US2005/044686 patent/WO2006065663A1/en active Application Filing
- 2005-12-09 CN CN200580043263XA patent/CN101080461B/en not_active Expired - Fee Related
- 2005-12-09 CA CA2586907A patent/CA2586907C/en not_active Expired - Fee Related
- 2005-12-09 CN CN2005800431834A patent/CN101080459B/en active Active
- 2005-12-09 DE DE602005016304T patent/DE602005016304D1/en active Active
- 2005-12-09 EP EP05853568A patent/EP1833910B1/en not_active Not-in-force
Also Published As
Publication number | Publication date |
---|---|
CN101080459A (en) | 2007-11-28 |
WO2006065663A1 (en) | 2006-06-22 |
CN101080459B (en) | 2010-10-13 |
CN101080461B (en) | 2010-09-22 |
CN104963085A (en) | 2015-10-07 |
JP4809845B2 (en) | 2011-11-09 |
CA2586907C (en) | 2010-03-16 |
CN101111555A (en) | 2008-01-23 |
CN101111555B (en) | 2012-04-11 |
JP2008524460A (en) | 2008-07-10 |
CN101080462A (en) | 2007-11-28 |
ATE440909T1 (en) | 2009-09-15 |
DE602005016304D1 (en) | 2009-10-08 |
US7319077B2 (en) | 2008-01-15 |
EP1833910A1 (en) | 2007-09-19 |
US20060172647A1 (en) | 2006-08-03 |
CN101080461A (en) | 2007-11-28 |
EP1833910B1 (en) | 2009-08-26 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CA2586907A1 (en) | Polymer blends and nonwoven articles therefrom | |
JP5635653B2 (en) | Elastic nonwoven fabric and fiber product using the same | |
KR101720439B1 (en) | Nonwoven fabric laminate | |
US20190291400A1 (en) | Multilayer Composites and Apparatuses and Methods for Their Making | |
CA2129127C (en) | Elastic nonwoven webs and method of making same | |
US5997989A (en) | Elastic nonwoven webs and method of making same | |
JP3798018B2 (en) | Stretchable composite nonwoven fabric | |
KR100372067B1 (en) | Nonwoven laminate with improved barrier properties | |
KR101551554B1 (en) | Nonwoven laminate | |
US9498932B2 (en) | Multi-layered meltblown composite and methods for making same | |
WO2014086614A1 (en) | Polypropylene fibers and fabrics | |
JP2008524460A5 (en) | ||
JP2013506062A5 (en) | ||
CN1427863A (en) | Film having high breathability induced by low cross-directional stretch | |
KR19980702521A (en) | Nonwovens made of polymers containing certain types of copolymers and having an aesthetically pleasing touch | |
CN105722485A (en) | Absorbent article containing a soft and durable backsheet | |
CN107073162A (en) | Soft and durable nonwoven web | |
KR102001758B1 (en) | Spunbond fabric comprising propylene-based elastomer composition and method for producing same | |
KR101302804B1 (en) | Spunbond nonwoven fabric having improved mechanical property and preparing method thereof | |
KR101629626B1 (en) | Non-woven fabric laminate and sanitary material | |
JPH09500936A (en) | Composite elastic nonwoven fabric | |
JP7108044B2 (en) | Nonwoven laminates, elastic nonwoven laminates, textile products, absorbent articles and sanitary masks | |
JP2003129330A (en) | Elastic fiber, elastic nonwoven fabric and textile product using the same | |
KR20030066736A (en) | Melt-Blown Nonwoven Fabric | |
JP7138197B2 (en) | Spunbond nonwoven fabric, sanitary material, and method for producing spunbond nonwoven fabric |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
EEER | Examination request | ||
MKLA | Lapsed |
Effective date: 20161209 |