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WO2009098730A3 - High-strength and high-transparency extendable multilayer film - Google Patents

High-strength and high-transparency extendable multilayer film Download PDF

Info

Publication number
WO2009098730A3
WO2009098730A3 PCT/IT2009/000047 IT2009000047W WO2009098730A3 WO 2009098730 A3 WO2009098730 A3 WO 2009098730A3 IT 2009000047 W IT2009000047 W IT 2009000047W WO 2009098730 A3 WO2009098730 A3 WO 2009098730A3
Authority
WO
WIPO (PCT)
Prior art keywords
transparency
extendable
strength
multilayer film
layer
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.)
Ceased
Application number
PCT/IT2009/000047
Other languages
French (fr)
Other versions
WO2009098730A2 (en
Inventor
Antonio Garegnani
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.)
Akro-Flex Sas Di Garegnani Antonio & C
Original Assignee
Akro-Flex Sas Di Garegnani Antonio & C
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 Akro-Flex Sas Di Garegnani Antonio & C filed Critical Akro-Flex Sas Di Garegnani Antonio & C
Priority to DE200921000027 priority Critical patent/DE212009000027U1/en
Publication of WO2009098730A2 publication Critical patent/WO2009098730A2/en
Publication of WO2009098730A3 publication Critical patent/WO2009098730A3/en
Anticipated expiration legal-status Critical
Ceased 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
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/02—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
    • B32B5/04—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer characterised by a layer being specifically extensible by reason of its structure or arrangement, e.g. by reason of the chemical nature of the fibres or filaments
    • 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
    • B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
    • B32B7/04—Interconnection of layers
    • B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties
    • 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
    • B32B2307/40—Properties of the layers or laminate having particular optical properties
    • B32B2307/412—Transparent
    • 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
    • B32B2307/54—Yield strength; Tensile strength
    • 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
    • B32B2553/00—Packaging equipment or accessories not otherwise provided for

Landscapes

  • Laminated Bodies (AREA)

Abstract

An extendable film for packaging having a high strength and high degree of transparency, which comprises a plurality of layers: an adhesivizing layer, a copolymer or monomer layer, and layer of linear material.
PCT/IT2009/000047 2008-02-08 2009-02-09 High-strength and high-transparency extendable multilayer film Ceased WO2009098730A2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE200921000027 DE212009000027U1 (en) 2008-02-08 2009-02-09 High-strength and highly transparent, stretchable, multilayer film

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ITRM2008A00073 2008-02-08
ITRM20080073 ITRM20080073A1 (en) 2008-02-08 2008-02-08 MULTILAYER EXTENSIBLE FILM WITH HIGH RESISTANCE AND TRANSPARENCY

Publications (2)

Publication Number Publication Date
WO2009098730A2 WO2009098730A2 (en) 2009-08-13
WO2009098730A3 true WO2009098730A3 (en) 2009-11-26

Family

ID=40291898

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/IT2009/000047 Ceased WO2009098730A2 (en) 2008-02-08 2009-02-09 High-strength and high-transparency extendable multilayer film

Country Status (3)

Country Link
DE (1) DE212009000027U1 (en)
IT (1) ITRM20080073A1 (en)
WO (1) WO2009098730A2 (en)

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4532189A (en) * 1982-02-19 1985-07-30 W. R. Grace & Co., Cryovac Div. Linear polyethylene shrink films
JPH05278179A (en) * 1992-04-03 1993-10-26 Ube Ind Ltd Stretch wrap multilayer film
US5261536A (en) * 1988-10-25 1993-11-16 Mobil Oil Corporation Multi-layer coextruded polyolefin stretch wrap films
FR2795995A1 (en) * 1999-07-08 2001-01-12 Plastiques De La Deome Adhesive film for wrapping palletized load has three layers of low density linear polyethylene each of specified grade and density
US20010055692A1 (en) * 1999-03-17 2001-12-27 Michael T. Heffelfinger Multi-layer film with core layer of syndiotactic polypropylene
EP1258348A1 (en) * 2001-05-18 2002-11-20 Wolff Walsrode AG Polyolefin film with peelable cover layer
EP1332868A1 (en) * 2002-02-04 2003-08-06 Borealis GmbH Multilayer film
US6706343B1 (en) * 1999-06-10 2004-03-16 Pechiney Emballage Flexible Europe Polymeric film structures useful as shrink bags

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4532189A (en) * 1982-02-19 1985-07-30 W. R. Grace & Co., Cryovac Div. Linear polyethylene shrink films
US5261536A (en) * 1988-10-25 1993-11-16 Mobil Oil Corporation Multi-layer coextruded polyolefin stretch wrap films
JPH05278179A (en) * 1992-04-03 1993-10-26 Ube Ind Ltd Stretch wrap multilayer film
US20010055692A1 (en) * 1999-03-17 2001-12-27 Michael T. Heffelfinger Multi-layer film with core layer of syndiotactic polypropylene
US6706343B1 (en) * 1999-06-10 2004-03-16 Pechiney Emballage Flexible Europe Polymeric film structures useful as shrink bags
FR2795995A1 (en) * 1999-07-08 2001-01-12 Plastiques De La Deome Adhesive film for wrapping palletized load has three layers of low density linear polyethylene each of specified grade and density
EP1258348A1 (en) * 2001-05-18 2002-11-20 Wolff Walsrode AG Polyolefin film with peelable cover layer
EP1332868A1 (en) * 2002-02-04 2003-08-06 Borealis GmbH Multilayer film

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
DATABASE WPI Week 199347, Derwent World Patents Index; AN 1993-374189, XP002548754 *

Also Published As

Publication number Publication date
DE212009000027U1 (en) 2010-10-14
ITRM20080073A1 (en) 2009-08-09
WO2009098730A2 (en) 2009-08-13

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