DE3851716D1 - Polyäthylen von sehr geringer Dichte enthaltender mehrschichtiger Film. - Google Patents

Polyäthylen von sehr geringer Dichte enthaltender mehrschichtiger Film.

Info

Publication number
DE3851716D1
DE3851716D1 DE3851716T DE3851716T DE3851716D1 DE 3851716 D1 DE3851716 D1 DE 3851716D1 DE 3851716 T DE3851716 T DE 3851716T DE 3851716 T DE3851716 T DE 3851716T DE 3851716 D1 DE3851716 D1 DE 3851716D1
Authority
DE
Germany
Prior art keywords
density polyethylene
low density
multilayer film
film containing
multilayer
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.)
Expired - Fee Related
Application number
DE3851716T
Other languages
English (en)
Other versions
DE3851716T2 (de
Inventor
Stanley Lustig
Jeffrey Michael Schuetz
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.)
Curwood 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=21994373&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE3851716(D1) "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
Application granted granted Critical
Publication of DE3851716D1 publication Critical patent/DE3851716D1/de
Publication of DE3851716T2 publication Critical patent/DE3851716T2/de
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
    • B32B27/32—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
    • B32B27/06—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
    • B32B1/00—Layered products having a general shape other than plane
    • 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
    • B32B27/30—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
    • B32B38/00—Ancillary operations in connection with laminating processes
    • B32B38/0012—Mechanical treatment, e.g. roughening, deforming, stretching
    • B32B2038/0028—Stretching, elongating
    • 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
    • B32B2307/72—Density
    • 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
    • B32B2307/732—Dimensional properties
    • B32B2307/734—Dimensional stability
    • B32B2307/736—Shrinkable
    • 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
    • B32B2327/00—Polyvinylhalogenides
    • B32B2327/06—PVC, i.e. polyvinylchloride
    • 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
    • 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
    • Y10S428/00—Stock material or miscellaneous articles
    • Y10S428/91—Product with 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.]
    • Y10T428/1352—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
    • Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/24942—Structurally defined web or sheet [e.g., overall dimension, etc.] including components having same physical characteristic in differing degree
    • Y10T428/24992—Density or compression of components
    • 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
    • Y10T428/28—Web or sheet containing structurally defined element or component and having an adhesive outermost layer
    • Y10T428/2813—Heat or solvent activated or sealable
    • Y10T428/2817—Heat sealable
    • Y10T428/2826—Synthetic resin or 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
    • Y10T428/31913—Monoolefin 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
    • Y10T428/31913—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
DE3851716T 1987-05-28 1988-05-20 Polyäthylen von sehr geringer Dichte enthaltender mehrschichtiger Film. Expired - Fee Related DE3851716T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07054918 US4863784C1 (en) 1987-05-28 1987-05-28 Multilayer film containing very low density polyethylene

Publications (2)

Publication Number Publication Date
DE3851716D1 true DE3851716D1 (de) 1994-11-10
DE3851716T2 DE3851716T2 (de) 1995-05-11

Family

ID=21994373

Family Applications (1)

Application Number Title Priority Date Filing Date
DE3851716T Expired - Fee Related DE3851716T2 (de) 1987-05-28 1988-05-20 Polyäthylen von sehr geringer Dichte enthaltender mehrschichtiger Film.

Country Status (4)

Country Link
US (1) US4863784C1 (de)
EP (1) EP0292894B1 (de)
JP (1) JPH0725154B2 (de)
DE (1) DE3851716T2 (de)

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US4988465A (en) * 1987-05-28 1991-01-29 Viskase Corporation Manufacture of multilayer film containing very low density polyethylene
US5089308A (en) * 1987-12-31 1992-02-18 American National Can Company Coextruded film and methods comprising vinylidene chloride methyl acrylate copolymer
NZ226983A (en) * 1988-11-17 1990-08-28 Grace W R Nz Multilayer heat shrink film comprising ethylene/vinyl acetate copolymer and very low density polyethylene polymer layers
GB2227448B (en) * 1988-11-18 1992-09-30 Grace W R & Co Multi-layer film structure for packaging and bags made therefrom
US5055328A (en) * 1989-06-16 1991-10-08 Viskase Corporation Differentially cross-linked multilayer film
GB8914703D0 (en) * 1989-06-27 1989-08-16 Dow Europ Sa Bioriented film
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CA2015153C (en) * 1989-07-28 2000-07-18 Cryovac, Inc. Double bubble process for making strong, thin films
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US5164211A (en) * 1989-11-29 1992-11-17 Comer Robert E Expandable bone plastic cap for meat
US5039533A (en) * 1989-11-29 1991-08-13 Comer Robert E Bone plastic cap for meat
US5051266A (en) * 1989-12-01 1991-09-24 Viskase Corporation Meat-adhering multilayer film
EP0435792A3 (en) * 1989-12-28 1991-11-06 American National Can Company Vinylidene chloride copolymer films
WO1991017944A1 (en) * 1990-05-18 1991-11-28 The Dow Chemical Company Polyolefin laminate cling films
US5234731A (en) * 1990-05-25 1993-08-10 W.R. Grace & Co.-Conn. Thermoplastic multi-layer packaging film and bags made therefrom having two layers of very low density polyethylene
DE4019165C1 (de) * 1990-06-18 1991-04-25 Helio Folien Gmbh, 4060 Viersen, De
CA2040064C (en) * 1990-11-16 2000-06-13 Gloria G. Toney Barrier film with improved extensibility for cheese packaging
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US5582923A (en) 1991-10-15 1996-12-10 The Dow Chemical Company Extrusion compositions having high drawdown and substantially reduced neck-in
US5562958A (en) * 1991-10-15 1996-10-08 The Dow Chemical Company Packaging and wrapping film
US5674342A (en) 1991-10-15 1997-10-07 The Dow Chemical Company High drawdown extrusion composition and process
US5395471A (en) 1991-10-15 1995-03-07 The Dow Chemical Company High drawdown extrusion process with greater resistance to draw resonance
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AU685406B2 (en) * 1993-01-29 1998-01-22 Bemis Company, Inc. Heat shrinkable film structures with improved sealability and toughness
CA2125999C (en) * 1993-07-12 1998-09-22 Paul Nick Georgelos Puncture resistant heat shrinkable film containing narrow molecular weight ethylene alpha olefin
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US5773106A (en) 1994-10-21 1998-06-30 The Dow Chemical Company Polyolefin compositions exhibiting heat resistivity, low hexane-extractives and controlled modulus
US5538770A (en) * 1994-11-18 1996-07-23 W. R. Grace & Co. -Conn. Vinylidene chloride film with controlled gas permeability
US5759650A (en) * 1994-12-22 1998-06-02 Plicon Bloomin lid controlled atmosphere package
EP0721975B1 (de) * 1995-01-12 2000-02-02 Showa Denko Kabushiki Kaisha Klebstoffzusammensetzung und darauf basierendes Laminat und Herstellungsverfahren des Laminates
US5928740A (en) * 1997-02-28 1999-07-27 Viskase Corporation Thermoplastic C2 -α-olefin copolymer blends and films
US6015235A (en) 1997-03-07 2000-01-18 Curwood, Inc. Puncture-resistant barrier pouch
US5953885A (en) 1997-04-08 1999-09-21 Retail Communications Corp. Cosmetic sampler and method of making using bulk thin film application techniques
US6691872B1 (en) 1997-04-08 2004-02-17 Aki, Inc. Method of making a cosmetic sampler using bulk thin film application techniques
WO1999064239A1 (en) * 1998-06-12 1999-12-16 Avery Dennison Corporation Multilayered thermoplastic film and sign cutting method using the same
US6355287B2 (en) * 1998-06-22 2002-03-12 Cryovac, Inc. Packaged food product having added liquid
US6214392B1 (en) * 1999-03-16 2001-04-10 Cryovac, Inc. Packaging article with offset vented seal
AUPQ466599A0 (en) * 1999-12-15 2000-01-13 Sporos Sa Multilayer heat shrinkable film
KR100755618B1 (ko) 2000-04-14 2007-09-06 이 아이 듀폰 디 네모아 앤드 캄파니 다층, 공압출, 이오노머 장식 표면 형성
US7273629B2 (en) 2000-11-28 2007-09-25 Cryovac, Inc. Meat package with reduced leaker rates
EP1526965B1 (de) * 2002-08-05 2010-04-21 Cryovac, Inc. Folie mit hohem freien schrumpf, hohem modul, niederiger schrumpfspannung und elastischer rückstellung
JP3870911B2 (ja) * 2003-02-10 2007-01-24 日産自動車株式会社 車線逸脱防止装置
MXPA06003822A (es) * 2003-10-07 2006-06-14 Du Pont Hoja ionomerica de capas multiples que tiene resistencia mejorada a las condiciones ambientales.
DE602004017763D1 (de) * 2003-10-07 2008-12-24 Du Pont Mehrlagige folie mit einer ionomerlage
WO2006038906A2 (en) * 2003-10-07 2006-04-13 E.I. Dupont De Nemours And Company Thermoformable multi-layer sheet
US7147930B2 (en) 2003-12-16 2006-12-12 Curwood, Inc. Heat-shrinkable packaging films with improved sealing properties and articles made thereof
US7258930B2 (en) * 2004-04-28 2007-08-21 Cryovac, Inc. Oxygen scavenging film with cyclic olefin copolymer
US20060286321A1 (en) * 2005-06-17 2006-12-21 Cryovac, Inc. Films having a combination of high impact strength and high shrink
US20070141366A1 (en) * 2005-12-21 2007-06-21 Janet Rivett Multilayer film with hot tack property
US20070218228A1 (en) * 2006-03-20 2007-09-20 Nova Chemicals Inc. Multilayer thermoplastic film structures
US20110189356A1 (en) * 2010-01-29 2011-08-04 Shy Brothers Farm Methods of Storing Cheese
JP5621903B1 (ja) * 2013-12-20 2014-11-12 ベスパック株式会社 有機ｅｌ照明パネル用透明ガスバリヤーパウチフイルム
US9724901B2 (en) 2014-03-12 2017-08-08 Jindal Films Europe Virton Sprl Biaxially oriented metallocene linear low density polyethylene film, method and resin composition for same
ES2818802T3 (es) * 2015-06-30 2021-04-14 Dow Global Technologies Llc Estructuras de multicapa y artículos que comprenden las mismas
MX2021004204A (es) * 2018-10-12 2021-08-11 Berry Global Inc Película polimérica orientada en la direccion de la máquina, y procedimiento para fabricar la película polimérica orientada en la direccion de la máquina.
WO2023074754A1 (ja) * 2021-10-26 2023-05-04 大日本印刷株式会社 シーラントフィルム

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US3456044A (en) * 1965-03-12 1969-07-15 Heinz Erich Pahlke Biaxial orientation
US3741253A (en) * 1971-03-30 1973-06-26 Grace W R & Co Laminates of ethylene vinyl acetate polymers and polymers of vinylidene chloride
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JPS5882752A (ja) * 1981-11-11 1983-05-18 呉羽化学工業株式会社 熱収縮性フイルム
US4448792A (en) * 1982-07-26 1984-05-15 W. R. Grace & Co., Cryovac Division Pasteurizable and cook-in shrink bag constructed of a multilayer film
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US4640856A (en) * 1985-04-29 1987-02-03 W. R. Grace & Co., Cryovac Div. Multi-layer packaging film and receptacles made therefrom
US4894107A (en) * 1985-05-16 1990-01-16 American National Can Company Process for making multiple layer polymeric films
US4714638A (en) * 1985-06-14 1987-12-22 Viskase Corporation Irradiated multilayer film for primal meat packaging
IT1190394B (it) * 1985-09-30 1988-02-16 Grace W R & Co Pellicola multistrato termoplastica per imballaggio e sacchetti da essa ricavati

Also Published As

Publication number Publication date
EP0292894A2 (de) 1988-11-30
JPH0725154B2 (ja) 1995-03-22
DE3851716T2 (de) 1995-05-11
EP0292894A3 (en) 1990-08-22
US4863784A (en) 1989-09-05
JPS63309440A (ja) 1988-12-16
US4863784C1 (en) 2001-05-01
EP0292894B1 (de) 1994-10-05

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Legal Events

Date Code Title Description
8363 Opposition against the patent
8327 Change in the person/name/address of the patent owner

Owner name: CURWOOD, INC., APPLETON, WIS., US

8339 Ceased/non-payment of the annual fee