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CA2269020A1 - Film de polyethylene thermoretractable de haute clarte pour l'emballage de groupements de produits - Google Patents

Film de polyethylene thermoretractable de haute clarte pour l'emballage de groupements de produits Download PDF

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Publication number
CA2269020A1
CA2269020A1 CA002269020A CA2269020A CA2269020A1 CA 2269020 A1 CA2269020 A1 CA 2269020A1 CA 002269020 A CA002269020 A CA 002269020A CA 2269020 A CA2269020 A CA 2269020A CA 2269020 A1 CA2269020 A1 CA 2269020A1
Authority
CA
Canada
Prior art keywords
products
shrink wrap
polyethylene
clear polyethylene
polyethylene shrink
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
CA002269020A
Other languages
English (en)
Other versions
CA2269020C (fr
Inventor
Michel Grangette
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.)
Conditionnement Et Industrie Ceisa SA Ste
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of CA2269020A1 publication Critical patent/CA2269020A1/fr
Application granted granted Critical
Publication of CA2269020C publication Critical patent/CA2269020C/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
    • C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
    • C08L23/04—Homopolymers or copolymers of ethene
    • C08L23/06—Polyethene
    • 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
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
    • C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
    • C08L23/04—Homopolymers or copolymers of ethene
    • C08L23/08—Copolymers of ethene
    • C08L23/0807—Copolymers of ethene with unsaturated hydrocarbons only containing four or more carbon atoms
    • C08L23/0815—Copolymers of ethene with unsaturated hydrocarbons only containing four or more carbon atoms with aliphatic 1-olefins containing one carbon-to-carbon double bond
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D75/00—Packages comprising articles or materials partially or wholly enclosed in strips, sheets, blanks, tubes or webs of flexible sheet material, e.g. in folded wrappers
    • B65D75/002—Packages comprising articles or materials partially or wholly enclosed in strips, sheets, blanks, tubes or webs of flexible sheet material, e.g. in folded wrappers in shrink films
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2314/00—Polymer mixtures characterised by way of preparation
    • C08L2314/02—Ziegler natta catalyst
    • 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.]
    • 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]
    • 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
    • Y10T428/24—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
    • Y10T428/31504—Composite [nonstructural laminate]
    • Y10T428/31855—Of addition polymer from unsaturated monomers
    • Y10T428/31909—Next to second addition polymer from unsaturated monomers
    • 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
    • Y10T428/31924—Including polyene monomers
    • 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
    • Y10T428/31931—Polyene monomer-containing

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Laminated Bodies (AREA)
  • Wrappers (AREA)

Abstract

Le film comprend une couche centrale constituée d'un mélange de polyéthylène basse densité radicalaire et de polyéthylène linéaire classique, prise en sandwich entre deux couches externes comprenant au moins 50% en poids de polyéthylène linéaire classique, de densité 0,918-0,930, exemptes de polyéthylène linéaire métallocène, chacune des couches externes ayant une épaisseur représentant 5 à 25 % de l'épaisseur totale du film.
CA002269020A 1998-04-15 1999-04-14 Film de polyethylene thermoretractable de haute clarte pour l'emballage de groupements de produits Expired - Fee Related CA2269020C (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9804690A FR2777502B1 (fr) 1998-04-15 1998-04-15 Film de polyethylene thermoretractable de haute clarte pour l'emballage de groupements de produits
FR9804690 1998-04-15

Publications (2)

Publication Number Publication Date
CA2269020A1 true CA2269020A1 (fr) 1999-10-15
CA2269020C CA2269020C (fr) 2009-01-06

Family

ID=9525262

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002269020A Expired - Fee Related CA2269020C (fr) 1998-04-15 1999-04-14 Film de polyethylene thermoretractable de haute clarte pour l'emballage de groupements de produits

Country Status (5)

Country Link
US (1) US6187397B1 (fr)
AR (1) AR019074A1 (fr)
BR (1) BR9901822A (fr)
CA (1) CA2269020C (fr)
FR (1) FR2777502B1 (fr)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1108749A1 (fr) * 1999-12-13 2001-06-20 Fina Research S.A. Compositions à base d'éthylène à moyenne densité pour la fabrication de films
US6509087B2 (en) * 2001-05-02 2003-01-21 Okura Industrial Co., Ltd. Heat shrinkable, coextruded polyethylene film laminate
JP4495590B2 (ja) * 2002-09-16 2010-07-07 ダウ グローバル テクノロジーズ インコーポレイティド 高い透明度で高い剛性のフィルム
US7422786B2 (en) * 2003-09-24 2008-09-09 Exxonmobil Chemical Patents Inc. Collation shrink
US7632086B2 (en) * 2003-10-03 2009-12-15 Exxonmobil Chemical Patents Inc. Melt fracture reduction
EP1717021B1 (fr) * 2005-04-29 2012-06-27 Ceisa Packaging Film thermorétractable, de haute clarté et de haute rigidité
US8053085B2 (en) * 2009-06-16 2011-11-08 Equistar Chemicals, Lp Heat-shrinkable film
CN102050260B (zh) * 2009-10-28 2013-06-12 上海心尔新材料科技股份有限公司 氧化生物降解塑料袋及其制备方法
JP2017516686A (ja) 2014-05-20 2017-06-22 イー・アイ・デュポン・ドウ・ヌムール・アンド・カンパニーＥ．Ｉ．Ｄｕ Ｐｏｎｔ Ｄｅ Ｎｅｍｏｕｒｓ Ａｎｄ Ｃｏｍｐａｎｙ コレーションシュリンクフィルム保護構造
US10273029B2 (en) 2015-05-04 2019-04-30 Exxonmobil Chemical Patents Inc. Processes for collation shrink packaging with a thermally insulating film
US20210291503A1 (en) * 2018-09-07 2021-09-23 Bemis Company, Inc. Recyclable films and packaging
US20220176592A1 (en) 2019-05-30 2022-06-09 Dow Global Technologies Llc Method of extruding linear low-density polyethylene without surface melt fracture
KR20230010690A (ko) 2020-05-11 2023-01-19 다우 글로벌 테크놀로지스 엘엘씨 콜레이션 수축 필름
CN112677603B (zh) * 2020-12-09 2022-04-01 宁波鸿雁包装材料有限公司 一种拉伸缠绕膜及其制备方法

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4194039A (en) * 1978-04-17 1980-03-18 W. R. Grace & Co. Multi-layer polyolefin shrink film
US4532189A (en) * 1982-02-19 1985-07-30 W. R. Grace & Co., Cryovac Div. Linear polyethylene shrink films
US4551380A (en) * 1984-05-10 1985-11-05 W. R. Grace & Co., Cryovac Div. Oriented heat-sealable multilayer packaging film
US4590124A (en) * 1984-05-10 1986-05-20 W. R. Grace & Co., Cryovac Div. Storm window film
US4865902A (en) * 1986-01-17 1989-09-12 E. I. Du Pont De Nemours And Company Multilayered polyolefin high shrinkage, low-shrink force shrink film
US5032463A (en) * 1988-07-18 1991-07-16 Viskase Corporation Very low density polyethylene film from blends
US5128212A (en) * 1990-05-18 1992-07-07 E. I. Du Pont De Nemours And Company Multilayer heat shrinkable polymeric film containing recycle polymer
US5272236A (en) * 1991-10-15 1993-12-21 The Dow Chemical Company Elastic substantially linear olefin polymers
US5562958A (en) * 1991-10-15 1996-10-08 The Dow Chemical Company Packaging and wrapping film
US5614315A (en) * 1995-01-20 1997-03-25 Okura Industrial Co., Ltd. Heat-shrinkable multi-layer polyolefin films
IT1276141B1 (it) * 1995-11-16 1997-10-27 Soten Srl Film termoretraibile poliolefinico a piu' strati coestrusi avente una migliorata resistenza della saldatura

Also Published As

Publication number Publication date
FR2777502B1 (fr) 2000-06-09
CA2269020C (fr) 2009-01-06
FR2777502A1 (fr) 1999-10-22
US6187397B1 (en) 2001-02-13
BR9901822A (pt) 2000-05-02
AR019074A1 (es) 2001-12-26

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