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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
Application number
PCT/IT2009/000047
Other languages
French (fr)
Other versions
WO2009098730A2 (en
Inventor
Antonio Garegnani
Original Assignee
Akro-Flex S.A.S. 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 S.A.S. Di Garegnani Antonio & C. filed Critical Akro-Flex S.A.S. 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

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 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
ITRM20080073 ITRM20080073A1 (en) 2008-02-08 2008-02-08 MULTILAYER EXTENSIBLE FILM WITH HIGH RESISTANCE AND TRANSPARENCY
ITRM2008A00073 2008-02-08

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 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 Multilayered stretch-wrap 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 Multilayered stretch-wrap 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
WO2009098730A2 (en) 2009-08-13
ITRM20080073A1 (en) 2009-08-09
DE212009000027U1 (en) 2010-10-14

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