CA2564144A1 - Polymeric structures and method for making same - Google Patents

Polymeric structures and method for making same Download PDF

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Publication number
CA2564144A1
CA2564144A1 CA002564144A CA2564144A CA2564144A1 CA 2564144 A1 CA2564144 A1 CA 2564144A1 CA 002564144 A CA002564144 A CA 002564144A CA 2564144 A CA2564144 A CA 2564144A CA 2564144 A1 CA2564144 A1 CA 2564144A1
Authority
CA
Canada
Prior art keywords
fibrous structure
polymeric structure
polymeric
fiber
hydroxyl 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
Application number
CA002564144A
Other languages
French (fr)
Other versions
CA2564144C (en
Inventor
David William Cabell
David Warren Loebker
Larry Neil Mackey
Gregory Charles Gordon
Mark Ryan Richards
Fred J. Keck
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Procter and Gamble Co
Original Assignee
The Procter & Gamble Company
David William Cabell
David Warren Loebker
Larry Neil Mackey
Gregory Charles Gordon
Mark Ryan Richards
Fred J. Keck
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by The Procter & Gamble Company, David William Cabell, David Warren Loebker, Larry Neil Mackey, Gregory Charles Gordon, Mark Ryan Richards, Fred J. Keck filed Critical The Procter & Gamble Company
Priority to CA2706352A priority Critical patent/CA2706352C/en
Publication of CA2564144A1 publication Critical patent/CA2564144A1/en
Application granted granted Critical
Publication of CA2564144C publication Critical patent/CA2564144C/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L3/00—Compositions of starch, amylose or amylopectin or of their derivatives or degradation products
    • 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
    • D01F6/02—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolymers obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • D01F6/14—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolymers obtained by reactions only involving carbon-to-carbon unsaturated bonds from polymers of unsaturated alcohols, e.g. polyvinyl alcohol, or of their acetals or ketals
    • 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
    • D04H3/02—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of forming fleeces or layers, e.g. reorientation of yarns or filaments
    • D04H3/03—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of forming fleeces or layers, e.g. reorientation of yarns or filaments at random
    • 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
    • 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
    • Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/24479—Structurally defined web or sheet [e.g., overall dimension, etc.] including variation in thickness
    • 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
    • Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
    • 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
    • Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
    • Y10T428/2913—Rod, strand, filament or fiber
    • 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
    • Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
    • Y10T428/2913—Rod, strand, filament or fiber
    • Y10T428/2927—Rod, strand, filament or fiber including structurally defined particulate matter
    • 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
    • Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
    • Y10T428/2913—Rod, strand, filament or fiber
    • Y10T428/2929—Bicomponent, conjugate, composite or collateral fibers or filaments [i.e., coextruded sheath-core or side-by-side type]

Abstract

Polymeric structures, methods for making same, fibrous structures comprising same and fibrous product incorporating same are provided.

Claims (12)

1. A polymeric structure comprising a PVOH processed hydroxyl polymer composition comprising a hydroxyl polymer comprising at least a PVOH hydroxyl polymer, wherein the polymeric structure exhibits a stretch at peak load of at least 5% and/or a stretch at failure load of at least 10%.
2. The polymeric structure according to Claim 1 wherein the hydroxyl polymer is selected from the group consisting of polyvinyl alcohol derivatives, starch, starch derivatives, chitosan, chitosan derivatives, cellulose derivatives, gums, arabinans, galactans, proteins, and mixtures thereof, preferably wherein the hydroxyl polymer comprises starch and/or a starch derivative.
3. The polymeric structure according to any of the preceding claims wherein the PVOH
processed hydroxyl polymer composition further comprises a crosslinking system comprising a crosslinking agent, wherein the hydroxyl polymer is crosslinked by the crosslinking agent such that the polymeric structure as a whole does not exhibit a melting point.
4. The polymeric structure according to any of the preceding claims wherein the polymeric structure is in a form selected from the group consisting of fiber, film and foam, preferably in the form of a fiber, more preferably in the form of a fiber exhibiting a fiber diameter of less than 50 µm.
5. Use of a polymeric structure in fiber form according to Claim 4 in a fibrous structure, wherein the fibrous structure exhibits a stretch at peak load of at least 5%
and stretch at failure load of at least 10%, preferably wherein the fibrous structure comprises two or more fibers associated with one another, more preferably wherein the fibrous structure comprises two or more regions that exhibit different values of a common intensive property relative to each other, most preferably wherein the common intensive property is selected from the group consisting of:
density, basis weight, caliper, substrate thickness, elevation, opacity, crepe frequency and mixtures thereof.
6. Use of a polymeric structure according to Claim 4 in a fibrous structure, wherein the fibrous structure comprises a first region comprising associated fibers and a second region comprising non-associated fibers.
7. A method for making a polymeric structure according to any of Claims 1-4, the method comprising the steps of:
a. providing a PVOH polymer melt composition comprising a PVOH hydroxyl polymer; and b. polymer processing the PVOH polymer melt composition to form a polymeric structure in fiber form; and c. optionally, incorporating the polymeric structure in fiber form into a fibrous structure;
wherein the fibrous structure exhibits a stretch at peak load of at least 5%
and/or a stretch at failure load of at least 10%.
8. The method according to Claim 7 wherein the method further comprises the step of differentially densifying the fibrous structure such that two or more regions exhibit different densities relative to each other.
9. The method according to Claim 8 wherein the step of differentially densifying comprises contacting the fibrous structure with a structure-imparting element comprising a pattern in the presence of humidity and applying a force to the fibrous structure and/or structure-imparting element such that the fibrous structure takes the shape of the pattern on the structure-imparting element to form a differential densified polymeric structure.
10. The method according to Claim 8 wherein the step of differentially densifying the fibrous structure comprises sandwiching the fibrous structure between two belts in the presence of humidity, wherein at least one of the belts is a structured belt comprising a pattern and applying a force to at least one of the belts such that the fibrous structure takes the shape of the pattern on the structured belt to form a differential densified polymeric structure.
11. The method according to Claim 7 wherein the fibrous structure comprises a crosslinking system comprising a crosslinking agent capable of crosslinking the hydroxyl polymer such that the polymeric structure in fiber form as a whole does not exhibit a melting point, preferably wherein the process further comprises the step of curing the crosslinking agent.
12. A method for making a polymeric structure according to any of Claims 1-4, the method comprising the steps of:

a. providing a fibrous structure comprising two or more fibers at least one of which comprises a polymeric structure in fiber form; and b. optionally, associating two or more fibers to each other such that a fibrous structure comprising a first region comprising associated fibers and a second region comprising non-associated fibers is formed.
CA2564144A 2004-04-29 2005-04-29 Polymeric structures and method for making same Expired - Fee Related CA2564144C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA2706352A CA2706352C (en) 2004-04-29 2005-04-29 Polymeric structures and method for making same

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US10/834,540 2004-04-29
US10/834,540 US6977116B2 (en) 2004-04-29 2004-04-29 Polymeric structures and method for making same
PCT/US2005/015329 WO2005108658A1 (en) 2004-04-29 2005-04-29 Polymeric structures and method for making same

Related Child Applications (1)

Application Number Title Priority Date Filing Date
CA2706352A Division CA2706352C (en) 2004-04-29 2005-04-29 Polymeric structures and method for making same

Publications (2)

Publication Number Publication Date
CA2564144A1 true CA2564144A1 (en) 2005-11-17
CA2564144C CA2564144C (en) 2010-08-24

Family

ID=35187439

Family Applications (2)

Application Number Title Priority Date Filing Date
CA2564144A Expired - Fee Related CA2564144C (en) 2004-04-29 2005-04-29 Polymeric structures and method for making same
CA2706352A Expired - Fee Related CA2706352C (en) 2004-04-29 2005-04-29 Polymeric structures and method for making same

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Application Number Title Priority Date Filing Date
CA2706352A Expired - Fee Related CA2706352C (en) 2004-04-29 2005-04-29 Polymeric structures and method for making same

Country Status (13)

Country Link
US (4) US6977116B2 (en)
EP (1) EP1759040B1 (en)
JP (1) JP4695642B2 (en)
CN (1) CN100547128C (en)
AT (1) ATE488623T1 (en)
AU (1) AU2005241076B2 (en)
BR (1) BRPI0510356A (en)
CA (2) CA2564144C (en)
DE (1) DE602005024804D1 (en)
ES (1) ES2356471T3 (en)
HK (1) HK1102612A1 (en)
MX (1) MXPA06012531A (en)
WO (1) WO2005108658A1 (en)

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