WO1997028960A3 - Heat sealable, peelable film and method of making same - Google Patents

Heat sealable, peelable film and method of making same Download PDF

Info

Publication number
WO1997028960A3
WO1997028960A3 PCT/US1996/020509 US9620509W WO9728960A3 WO 1997028960 A3 WO1997028960 A3 WO 1997028960A3 US 9620509 W US9620509 W US 9620509W WO 9728960 A3 WO9728960 A3 WO 9728960A3
Authority
WO
WIPO (PCT)
Prior art keywords
heat sealable
making same
peelable film
peelable
film
Prior art date
Application number
PCT/US1996/020509
Other languages
French (fr)
Other versions
WO1997028960A2 (en
Inventor
Stephen G Junker
Mark A Schroeder
Original Assignee
Tredegar Ind Inc
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 Tredegar Ind Inc filed Critical Tredegar Ind Inc
Priority to AU13449/97A priority Critical patent/AU1344997A/en
Publication of WO1997028960A2 publication Critical patent/WO1997028960A2/en
Publication of WO1997028960A3 publication Critical patent/WO1997028960A3/en

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B27/08—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/32—Layered products comprising a layer of synthetic resin comprising polyolefins
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/30—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers
    • B32B27/304—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers comprising vinyl halide (co)polymers, e.g. PVC, PVDC, PVF, PVDF
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/30—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers
    • B32B27/306—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers comprising vinyl acetate or vinyl alcohol (co)polymers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/34—Layered products comprising a layer of synthetic resin comprising polyamides
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/36—Layered products comprising a layer of synthetic resin comprising polyesters
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
    • C08J5/18—Manufacture of films or sheets
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/50—Properties of the layers or laminate having particular mechanical properties
    • B32B2307/514—Oriented
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2323/00—Polyalkenes
    • B32B2323/04—Polyethylene
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2323/00—Polyalkenes
    • B32B2323/04—Polyethylene
    • B32B2323/043—HDPE, i.e. high density polyethylene
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2323/00—Polyalkenes
    • B32B2323/04—Polyethylene
    • B32B2323/046—LDPE, i.e. low density polyethylene
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2323/00—Polyalkenes
    • B32B2323/10—Polypropylene
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2367/00—Polyesters, e.g. PET, i.e. polyethylene terephthalate
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2377/00—Polyamides
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2439/00—Containers; Receptacles
    • B32B2439/70—Food packaging
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2323/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
    • C08J2323/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
    • C08J2323/04—Homopolymers or copolymers of ethene
    • C08J2323/08—Copolymers of ethene

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Laminated Bodies (AREA)

Abstract

The present invention provides a heat sealable, yet peelable film. The film comprises at least one metallocene catalyst based polyethylene sealant material, and at least one peelable additive material such as polybutylene and/or polypropylene, copolymers and terpolymers thereof.
PCT/US1996/020509 1996-02-09 1996-12-16 Heat sealable, peelable film and method of making same WO1997028960A2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU13449/97A AU1344997A (en) 1996-02-09 1996-12-16 Heat sealable, peelable film and method of making same

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US1146896P 1996-02-09 1996-02-09
US60/011,468 1996-02-09
US68104896A 1996-07-22 1996-07-22
US08/681,048 1996-07-22

Publications (2)

Publication Number Publication Date
WO1997028960A2 WO1997028960A2 (en) 1997-08-14
WO1997028960A3 true WO1997028960A3 (en) 1997-09-12

Family

ID=26682435

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US1996/020509 WO1997028960A2 (en) 1996-02-09 1996-12-16 Heat sealable, peelable film and method of making same

Country Status (2)

Country Link
AU (1) AU1344997A (en)
WO (1) WO1997028960A2 (en)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0959051A4 (en) 1996-08-13 1999-12-15 Nippon Sheet Glass Co Ltd Laser machining method for glass substrate, diffraction type optical device fabricated by the machining method, and method of manufacturing optical device
CA2280854A1 (en) * 1997-02-25 1998-08-27 Exxonmobil Chemical Patents, Inc. Heat sealable films
US6094889A (en) * 1997-02-25 2000-08-01 Exxon Chemical Patents, Inc. Method of form and seal packaging
US6475578B1 (en) * 1997-11-12 2002-11-05 Pechiney Emballage Flexible Europe Flexible packaging peelable seal system
WO1999033913A1 (en) * 1997-12-31 1999-07-08 Shell Oil Company Easy-open packaging
US6476137B1 (en) * 1998-04-16 2002-11-05 Cryovac, Inc. Ternary polymer blend, the film containing it, and the easy-to-open package made therewith
EP0997268A1 (en) 1998-10-26 2000-05-03 Elf Atochem S.A. Films comprising metallocene polyethylene and polyamide
US6262174B1 (en) 1999-06-17 2001-07-17 The Dow Chemical Company Polymer compositions which exhibit high hot tack
CA2381161A1 (en) 1999-09-07 2001-03-15 E.I. Du Pont De Nemours And Company Heat-sealable polyolefins and articles made therefrom
US6590034B2 (en) 2001-01-02 2003-07-08 Dow Global Technologies Inc. Peelable seal and method of making and using same
US6630237B2 (en) 2001-02-05 2003-10-07 Cryovac, Inc. Peelably sealed packaging
JP2007522276A (en) 2004-01-08 2007-08-09 イー・アイ・デュポン・ドウ・ヌムール・アンド・カンパニー Composition comprising ethylene copolymer and polyolefin
JP5448339B2 (en) * 2004-05-24 2014-03-19 イー・アイ・デュポン・ドウ・ヌムール・アンド・カンパニー Polymer blends for peelable and / or permanent seals
CN101052676B (en) * 2004-07-15 2011-06-15 纳幕尔杜邦公司 Composition comprising ethylene - acrylate copolymer and polyolefin and tackifier
US7459521B2 (en) 2004-08-06 2008-12-02 E.I. Dupont De Nemours And Company Heat-sealable polyolefins and articles made therefrom
US7588706B2 (en) 2004-12-16 2009-09-15 Exxonmobil Chemical Patents Inc. Multi-layer films with improved properties
EP1810823B1 (en) * 2006-01-20 2008-12-24 VIBAC S.p.A. Multilyer heat-seal packaging film for foodstuff
KR101915764B1 (en) 2011-09-23 2018-11-07 다우 글로벌 테크놀로지스 엘엘씨 Olefin-based polymer compositions and articles prepared therefrom

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4665130A (en) * 1984-08-31 1987-05-12 Shell Oil Company Packaging film and sheet capable of forming peelable seals with good optics
US4876156A (en) * 1987-05-15 1989-10-24 Shell Oil Company Film and sheet capable of forming retortable and easy-open packagings
US5462807A (en) * 1993-08-20 1995-10-31 Exxon Chemical Patents Inc. Heat sealable films and articles
US5562958A (en) * 1991-10-15 1996-10-08 The Dow Chemical Company Packaging and wrapping film

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4665130A (en) * 1984-08-31 1987-05-12 Shell Oil Company Packaging film and sheet capable of forming peelable seals with good optics
US4876156A (en) * 1987-05-15 1989-10-24 Shell Oil Company Film and sheet capable of forming retortable and easy-open packagings
US5562958A (en) * 1991-10-15 1996-10-08 The Dow Chemical Company Packaging and wrapping film
US5462807A (en) * 1993-08-20 1995-10-31 Exxon Chemical Patents Inc. Heat sealable films and articles

Also Published As

Publication number Publication date
WO1997028960A2 (en) 1997-08-14
AU1344997A (en) 1997-08-28

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