ES2165893T3 - Peliculas multicapa termorretractiles. - Google Patents

Peliculas multicapa termorretractiles.

Info

Publication number
ES2165893T3
ES2165893T3 ES95202621T ES95202621T ES2165893T3 ES 2165893 T3 ES2165893 T3 ES 2165893T3 ES 95202621 T ES95202621 T ES 95202621T ES 95202621 T ES95202621 T ES 95202621T ES 2165893 T3 ES2165893 T3 ES 2165893T3
Authority
ES
Spain
Prior art keywords
layer
ethylene
copolymers
vinyl acetate
weight
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 - Lifetime
Application number
ES95202621T
Other languages
English (en)
Inventor
Mario Paleari
Tito Fornasiero
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.)
Cryovac LLC
Original Assignee
Cryovac LLC
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 Cryovac LLC filed Critical Cryovac LLC
Application granted granted Critical
Publication of ES2165893T3 publication Critical patent/ES2165893T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • B32B2250/00—Layers arrangement
    • B32B2250/24—All layers being polymeric
    • 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
    • Y10T428/24—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
    • Y10T428/2495—Thickness [relative or absolute]
    • 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
    • Y10T428/28—Web or sheet containing structurally defined element or component and having an adhesive outermost layer
    • Y10T428/2852—Adhesive compositions
    • Y10T428/2878—Adhesive compositions including addition polymer from unsaturated monomer
    • 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

Landscapes

  • Laminated Bodies (AREA)
  • Wrappers (AREA)
  • Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
  • Manufacture Of Macromolecular Shaped Articles (AREA)
  • Compositions Of Macromolecular Compounds (AREA)

Abstract

LA INVENCION SE REFIERE A UNA PELICULA TERMOCONTRAIBLE MULTICAPA QUE COMPRENDE: - UNA CAPA TERMOSELLABLE (A), - UNA CAPA INTERNA B) QUE COMPRENDE UN POLIMERO ELEGIDO A PARTIR DEL GRUPO QUE CONSISTE EN COPOLIMEROS DE ACETATO ETILENOVINILO QUE CONTIENE DE 4 A 28% EN PESO DE UNIDADES DE ACETATO DE VINILO Y CON UN INDICE DE FUSION FRACCIONAL Y COPOLIMEROS DE ACRILATO DE ALQUILOETILENO QUE CONTIENEN DE 9 A 28% EN PESO DE UNIDADES DE ACRILATO DE ALQUILO Y CON INDICE DE FUSION FRACCIONAL; - UNA CAPA INTERNA (C), CARA A CARA EN CONTACTO CON LA CAPA B), QUE COMPRENDE UN POLIMERO ELEGIDO ENTRE EL GRUPO QUE CONSISTE EN COPOLIMEROS DE ACIDO ACRILICO-ETILENO COPOLIMEROS DE ACIDO METACRILICO-ETILENO, COPOLIMEROS DE ETILENO-VINILO-ACETATO, COPOLIMEROS DE ETILENO-ACRILATO DE ALQUILO-, COPOLIMEROS DE ETILENO-{AL}-OLEFINA HETEROGENEOS, Y COPOLIMEROS DE ETILENO-{AL}OLEFINA HOMOGENEOS. Y UN CAPA ADICIONAL D) QUE COMPRENDE UN POLIMERO ELEGIDO ENTRE EL GRUPO QUE CONSISTE EN COPOLIMEROS ETILENO-ACETATO DE VINILOQUE CONTIENEN DE 4 A 28% EN PESO DE UNIDADES DE ACETATO DE VINILO Y CON UN INDICE DE FUSION FRACCIONAL, Y COPOLIMEROS DE ETILENO-ACRILATO DE ALQUILO QUE CONTIENEN DE 9 A 2% EN PESO DE UNIDADES ACRILATO DE ALQUILO Y CON UN INDICE DE FUSION FRACCIONAL; CARA A CARA EN CONTACTO CON EL LADO DE CAPA (C) QUE NO ESTA EN CONTACTO CON LA CAPA B); DONDE LA COMPOSICION DE CAPA C) ES DIFERENTE DE LA DE LA CAPA B) Y D), Y LAS RELACIONES DE PESO ENTRE CAPA B) Y C), Y ENTRE CAPA D) Y CAPA C) ESTAN COMPRENDIDAS ENTRE 0.125 A 1 Y 8 A 1. LAS PELICULAS TERMOCONTRAIBLES DE ACUERDO CON LA INVENCION TIENEN PROPIEDADES MECANICAS MUY BUENAS TALES COMO RESISTENCIA AL PINCHAZO, GRANDES PROPIEDADES OPTICAS Y ALTA CONTRACCION QUE LAS HACE PARTICULARMENTE APROPIADAS PARA POR EJEMPLO EMBALAR ALIMENTOS CONGELADOS.
ES95202621T 1994-10-19 1995-09-29 Peliculas multicapa termorretractiles. Expired - Lifetime ES2165893T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP94203035 1994-10-19

Publications (1)

Publication Number Publication Date
ES2165893T3 true ES2165893T3 (es) 2002-04-01

Family

ID=8217291

Family Applications (1)

Application Number Title Priority Date Filing Date
ES95202621T Expired - Lifetime ES2165893T3 (es) 1994-10-19 1995-09-29 Peliculas multicapa termorretractiles.

Country Status (13)

Country Link
US (1) US6110570A (es)
JP (1) JPH08290513A (es)
KR (1) KR100282509B1 (es)
CN (1) CN1077026C (es)
AT (1) ATE208708T1 (es)
AU (1) AU698490B2 (es)
BR (1) BR9504449A (es)
CA (1) CA2160332A1 (es)
DE (1) DE69523859T2 (es)
ES (1) ES2165893T3 (es)
NZ (1) NZ280193A (es)
TW (1) TW345538B (es)
ZA (1) ZA958681B (es)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6282869B1 (en) * 1997-07-21 2001-09-04 Cryovac, Inc. Method of cutting and sealing film
AUPP749398A0 (en) * 1998-12-03 1999-01-07 Sporos Sa Multilayer heat shrinkable film
AUPQ466599A0 (en) * 1999-12-15 2000-01-13 Sporos Sa Multilayer heat shrinkable film
DE10030879A1 (de) * 2000-06-23 2002-01-03 Wolff Walsrode Ag Peelfähige, siegelbare polyolefinische Mehrschichtfolie und deren Verwendung als Verpackungsfolie
US6869666B2 (en) * 2001-05-02 2005-03-22 3M Innovative Properties Company Controlled-puncture films
US7816003B1 (en) 2001-12-19 2010-10-19 Arrowhead Coating and Converting, Inc. Adhesive film composition
US20070160785A1 (en) * 2006-01-06 2007-07-12 Scholle Corporation Flexible bag construction for liquid packaging and bag in box container utilizing same
GB2439728B (en) * 2006-07-03 2010-07-21 Fuji Seal Int Inc Heat-shrinkable film
US20080063845A1 (en) * 2006-09-12 2008-03-13 Excel-Pac Inc. Multilayer structures, uses and preparation thereof
US9752022B2 (en) * 2008-07-10 2017-09-05 Avery Dennison Corporation Composition, film and related methods
KR20130037670A (ko) 2010-03-04 2013-04-16 애버리 데니슨 코포레이션 비pvc 필름 및 비pvc 필름 라미네이트
US9624019B2 (en) 2012-11-09 2017-04-18 Winpak Films Inc. High oxygen and water barrier multilayer film
EP3019334B1 (en) * 2013-07-12 2022-03-30 UPM Raflatac Oy Multilayer film for label and a method for providing such
EP3019335B1 (en) 2013-07-12 2022-06-29 UPM Raflatac Oy Multilayer film for label and a method for providing such
CA2935150A1 (en) 2013-12-30 2015-07-09 Avery Dennison Corporation Polyurethane protective film
CN107627686A (zh) * 2017-08-07 2018-01-26 江阴升辉包装材料有限公司 一种高抗穿刺的真空贴体包装膜

Family Cites Families (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4247584A (en) * 1979-05-22 1981-01-27 American Can Company Composition comprising a blend of EVA polymers having differing VA contents; films and laminates made therefrom by extrusion; and heat-sealed food bags made from the laminates
EP0032027B1 (en) * 1979-12-25 1983-07-13 Kureha Kagaku Kogyo Kabushiki Kaisha Heat-shrinkable laminate film and process for producing the same
CA1199567A (en) * 1982-02-18 1986-01-21 Walter B. Mueller Linear polyethylene shrink films
US4532189A (en) * 1982-02-19 1985-07-30 W. R. Grace & Co., Cryovac Div. Linear polyethylene shrink films
US4457960A (en) * 1982-04-26 1984-07-03 American Can Company Polymeric and film structure for use in shrink bags
SE8304779L (sv) * 1983-02-18 1984-08-19 Grace W R & Co Forbettrade linjera polyetenkrympfilmer samt forfarande for framstellning av dessa
US5059481A (en) * 1985-06-17 1991-10-22 Viskase Corporation Biaxially stretched, heat shrinkable VLDPE film
CA1308012C (en) * 1986-01-17 1992-09-29 Robert Wayne Thies Multilayered polyolefin high shrinkage, low-shrink force shrink film
US4833024A (en) * 1987-04-03 1989-05-23 W. R. Grace & Co. Low shrink energy films
US5037683A (en) * 1988-09-26 1991-08-06 W. R. Grace & Co.-Conn. High strength laminated film for chub packaging
DE68928100T2 (de) * 1988-09-30 1997-11-06 Exxon Chemical Patents Inc Lineare ethylen-copolymermischungen von copolymeren mit engen molekulargewichts- und kompositionsverteilungen
US5272236A (en) * 1991-10-15 1993-12-21 The Dow Chemical Company Elastic substantially linear olefin polymers
AU660043B2 (en) * 1991-07-18 1995-06-08 Exxon Chemical Patents Inc. Heat sealed article
US5278272A (en) * 1991-10-15 1994-01-11 The Dow Chemical Company Elastic substantialy linear olefin polymers
US5206075A (en) * 1991-12-19 1993-04-27 Exxon Chemical Patents Inc. Sealable polyolefin films containing very low density ethylene copolymers
US5241031A (en) * 1992-02-19 1993-08-31 Exxon Chemical Patents Inc. Elastic articles having improved unload power and a process for their production
US5283128A (en) * 1992-03-23 1994-02-01 Viskase Corporation Biaxially oriented heat shrinkable film
US5279872A (en) * 1992-03-23 1994-01-18 Viskase Corporation Multilayer stretch/shrink film
CA2099440C (en) * 1992-07-02 2005-12-13 Robert Babrowicz Multilayer shrinkable film with improved shrink, optics and sealability
US5397613A (en) * 1993-07-12 1995-03-14 Viskase Corporation Puncture resistant heat shrinkable film containing narrow molecular weight ethylene alpha olefin

Also Published As

Publication number Publication date
JPH08290513A (ja) 1996-11-05
CN1134881A (zh) 1996-11-06
ATE208708T1 (de) 2001-11-15
AU698490B2 (en) 1998-10-29
NZ280193A (en) 1997-09-22
BR9504449A (pt) 1997-05-20
KR100282509B1 (ko) 2001-02-15
CA2160332A1 (en) 1996-04-20
AU3429395A (en) 1996-05-02
KR960013652A (ko) 1996-05-22
ZA958681B (en) 1996-05-22
DE69523859T2 (de) 2002-05-29
CN1077026C (zh) 2002-01-02
US6110570A (en) 2000-08-29
TW345538B (en) 1998-11-21
DE69523859D1 (de) 2001-12-20

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