CA2026669A1 - Film thermoplastique incorporant des resines a temperature elevee de fusion - Google Patents

Film thermoplastique incorporant des resines a temperature elevee de fusion

Info

Publication number
CA2026669A1
CA2026669A1 CA2026669A CA2026669A CA2026669A1 CA 2026669 A1 CA2026669 A1 CA 2026669A1 CA 2026669 A CA2026669 A CA 2026669A CA 2026669 A CA2026669 A CA 2026669A CA 2026669 A1 CA2026669 A1 CA 2026669A1
Authority
CA
Canada
Prior art keywords
melt index
thermoplastic film
high melt
incorporating high
film incorporating
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
CA2026669A
Other languages
English (en)
Other versions
CA2026669C (fr
Inventor
Paul Nick Georgelos
Stanley Lustig
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.)
Bemis Co Inc
Original Assignee
Viskase Corp
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=23660644&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=CA2026669(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Viskase Corp filed Critical Viskase Corp
Publication of CA2026669A1 publication Critical patent/CA2026669A1/fr
Application granted granted Critical
Publication of CA2026669C publication Critical patent/CA2026669C/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • B32B27/16—Layered products comprising a layer of synthetic resin specially treated, e.g. irradiated
    • 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
    • B32B1/00—Layered products having a non-planar shape
    • B32B1/08—Tubular products
    • 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
    • B32B27/18—Layered products comprising a layer of synthetic resin characterised by the use of special additives
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J123/00—Adhesives based on homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Adhesives based on derivatives of such polymers
    • C09J123/02—Adhesives based on homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Adhesives based on derivatives of such polymers not modified by chemical after-treatment
    • C09J123/04—Homopolymers or copolymers of ethene
    • C09J123/08—Copolymers of ethene
    • 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
    • B32B2307/30—Properties of the layers or laminate having particular thermal properties
    • B32B2307/31—Heat sealable
    • 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
    • B32B2307/70—Other properties
    • B32B2307/724—Permeability to gases, adsorption
    • B32B2307/7242—Non-permeable
    • 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
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2666/00—Composition of polymers characterized by a further compound in the blend, being organic macromolecular compounds, natural resins, waxes or and bituminous materials, non-macromolecular organic substances, inorganic substances or characterized by their function in the composition
    • C08L2666/02—Organic macromolecular compounds, natural resins, waxes or and bituminous materials
    • C08L2666/04—Macromolecular compounds according to groups C08L7/00 - C08L49/00, or C08L55/00 - C08L57/00; Derivatives 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
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S383/00—Flexible bags
    • Y10S383/908—Material having specified grain direction or molecular orientation
    • 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
    • Y10T428/13—Hollow or container type article [e.g., tube, vase, etc.]
    • Y10T428/1328—Shrinkable or shrunk [e.g., due to heat, solvent, volatile agent, restraint removal, 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
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/13—Hollow or container type article [e.g., tube, vase, etc.]
    • Y10T428/1334—Nonself-supporting tubular film or bag [e.g., pouch, envelope, packet, etc.]
    • Y10T428/1341—Contains vapor or gas barrier, polymer derived from vinyl chloride or vinylidene chloride, or polymer containing a vinyl alcohol unit
    • 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
    • Y10T428/13—Hollow or container type article [e.g., tube, vase, etc.]
    • Y10T428/1352—Polymer or resin containing [i.e., natural or synthetic]
    • Y10T428/1379—Contains vapor or gas barrier, polymer derived from vinyl chloride or vinylidene chloride, or polymer containing a vinyl alcohol unit
    • Y10T428/1383—Vapor or gas barrier, polymer derived from vinyl chloride or vinylidene chloride, or polymer containing a vinyl alcohol unit is sandwiched between layers [continuous layer]
    • 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
    • Y10T428/31504—Composite [nonstructural laminate]
    • Y10T428/31725—Of polyamide
    • Y10T428/31739—Nylon type
    • Y10T428/31743—Next to addition polymer from unsaturated monomer[s]
    • 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
    • Y10T428/31504—Composite [nonstructural laminate]
    • Y10T428/31725—Of polyamide
    • Y10T428/31739—Nylon type
    • Y10T428/31743—Next to addition polymer from unsaturated monomer[s]
    • Y10T428/31746—Polymer of monoethylenically unsaturated hydrocarbon
    • 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
    • Y10T428/31504—Composite [nonstructural laminate]
    • Y10T428/31855—Of addition polymer from unsaturated monomers
    • Y10T428/31909—Next to second addition polymer from unsaturated monomers
    • Y10T428/31913—Monoolefin polymer
    • Y10T428/3192—Next to vinyl or vinylidene chloride 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
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/31504—Composite [nonstructural laminate]
    • Y10T428/31855—Of addition polymer from unsaturated monomers
    • Y10T428/31909—Next to second addition polymer from unsaturated monomers
    • Y10T428/31928—Ester, halide or nitrile of addition 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
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/31504—Composite [nonstructural laminate]
    • Y10T428/31855—Of addition polymer from unsaturated monomers
    • Y10T428/31935—Ester, halide or nitrile of addition polymer

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Laminated Bodies (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Manufacture Of Macromolecular Shaped Articles (AREA)
  • Wrappers (AREA)
CA002026669A 1989-10-10 1990-10-02 Film thermoplastique incorporant des resines a temperature elevee de fusion Expired - Fee Related CA2026669C (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US07/419,061 US5635261A (en) 1989-10-10 1989-10-10 Thermoplastic film incorporating high melt index resins
US07/419,061 1989-10-10

Publications (2)

Publication Number Publication Date
CA2026669A1 true CA2026669A1 (fr) 1991-04-11
CA2026669C CA2026669C (fr) 1994-04-12

Family

ID=23660644

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002026669A Expired - Fee Related CA2026669C (fr) 1989-10-10 1990-10-02 Film thermoplastique incorporant des resines a temperature elevee de fusion

Country Status (7)

Country Link
US (1) US5635261A (fr)
EP (1) EP0424724B1 (fr)
AT (1) ATE153596T1 (fr)
CA (1) CA2026669C (fr)
DE (1) DE69030801T2 (fr)
DK (1) DK0424724T3 (fr)
ES (1) ES2101683T3 (fr)

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US6531198B2 (en) 1993-06-24 2003-03-11 Pechiney Emballage Flexible Europe Heat shrinkable barrier bags with anti block additives
US6074715A (en) * 1993-06-24 2000-06-13 Pechiney Plastic Packaging, Inc. Heat shrinkable barrier bags
DE4436775A1 (de) * 1994-10-14 1996-04-18 Wolff Walsrode Ag Release- und Trennmittel-frei wickelbare einschichtige Schmelzklebefolie mit guter Maschinengängigkeit aus Olefin-Copolymerisaten
DE19537753A1 (de) * 1995-10-10 1997-04-17 Wolff Walsrode Ag Mindestens einschichtige Schmelzklebefolie mit Release- und Trennmittelfreier Wickelbarkeit und verbesserter Adhäsion aus Olefin-Copolymer-Mischungen
CA2250910A1 (fr) * 1996-04-04 1997-10-16 Hugh Joseph O'donnell Melanges et procedes de melange de copolymeres olefine/ester qui possedent une plus grande resistance aux contraintes de fissuration et a la fatigue en exterieur, articles faits de ces polymers et procedes de moulage de ces articles
US5928740A (en) 1997-02-28 1999-07-27 Viskase Corporation Thermoplastic C2 -α-olefin copolymer blends and films
US6677012B1 (en) 1998-03-31 2004-01-13 Pechiney Emballage Flexible Europe Poultry shrink bags with antiblock additives
US6010792A (en) * 1998-03-31 2000-01-04 American National Can Company Poultry shrink bags
US6355287B2 (en) * 1998-06-22 2002-03-12 Cryovac, Inc. Packaged food product having added liquid
US6777046B1 (en) 1998-07-07 2004-08-17 Curwood, Inc. Puncture resistant, high shrink films, blends, and process
US6815023B1 (en) 1998-07-07 2004-11-09 Curwood, Inc. Puncture resistant polymeric films, blends and process
US6706343B1 (en) * 1999-06-10 2004-03-16 Pechiney Emballage Flexible Europe Polymeric film structures useful as shrink bags
US6499878B1 (en) * 1999-12-21 2002-12-31 Pactiv Corporation Reclosable packages with barrier properties
US7175903B1 (en) * 2000-11-17 2007-02-13 Pliant Corporation Heat sealable polyvinyl chloride films
US7273629B2 (en) * 2000-11-28 2007-09-25 Cryovac, Inc. Meat package with reduced leaker rates
US6682792B2 (en) * 2001-03-26 2004-01-27 M & Q Plastic Products, Inc. Thermoplastic elastomer films
US20050031883A1 (en) * 2001-09-19 2005-02-10 Masanori Sera Wrapping film and shrink film each comprising butene polymer
TW200504140A (en) * 2003-05-26 2005-02-01 Mitsui Du Pont Polychemical Olefin polymer compositions and easy-peelable sealants made by using the same
US20060172143A1 (en) * 2003-07-23 2006-08-03 Breese David R Extrusion coating process and coated substrates having improved heat seal properties
US20050020777A1 (en) * 2003-07-23 2005-01-27 Breese David Ryan Ethylene-vinyl acetate compositions having improved heat seal properties
CA2535503C (fr) * 2006-02-07 2014-12-16 Shawcor Ltd. Revetement stratifie thermoretractable
US20080026343A1 (en) * 2006-07-19 2008-01-31 Scott Doenges Dental apparatus
US8168298B2 (en) * 2006-12-01 2012-05-01 Basf Corporation Article and method of producing same
US20080190918A1 (en) * 2007-02-09 2008-08-14 Scholle Corporation Shipping container for flowable material and flexible tank therefor
CN102271915B (zh) * 2008-11-04 2014-11-26 巴斯夫欧洲公司 复合箔作为氧化敏感性聚合物的包装材料的用途，包装氧化敏感性聚合物的方法以及含有所述复合箔的包装
US11273969B2 (en) * 2013-03-08 2022-03-15 Bemis Company, Inc. Peelable absorbent food package
JP2016147373A (ja) 2013-05-02 2016-08-18 株式会社クレハ 熱収縮性多層フィルム
US20160304332A1 (en) 2015-04-17 2016-10-20 Ds Smith Plastics Limited Multilayer film used with flexible packaging

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Also Published As

Publication number Publication date
AU639718B2 (en) 1993-08-05
EP0424724A2 (fr) 1991-05-02
ES2101683T3 (es) 1997-07-16
CA2026669C (fr) 1994-04-12
DE69030801T2 (de) 1998-01-22
AU6388090A (en) 1991-04-18
EP0424724A3 (en) 1992-03-25
DK0424724T3 (da) 1997-07-28
ATE153596T1 (de) 1997-06-15
DE69030801D1 (de) 1997-07-03
US5635261A (en) 1997-06-03
EP0424724B1 (fr) 1997-05-28

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Legal Events

Date Code Title Description
EEER Examination request
MKLA Lapsed