RU2015143118A - HEAT SHRINKING MULTILAYER POLYMER FILM WITH A BARRIER EFFECT WITH RESPECT TO GASES AND WATER VAPOR - Google Patents

HEAT SHRINKING MULTILAYER POLYMER FILM WITH A BARRIER EFFECT WITH RESPECT TO GASES AND WATER VAPOR Download PDF

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Publication number
RU2015143118A
RU2015143118A RU2015143118A RU2015143118A RU2015143118A RU 2015143118 A RU2015143118 A RU 2015143118A RU 2015143118 A RU2015143118 A RU 2015143118A RU 2015143118 A RU2015143118 A RU 2015143118A RU 2015143118 A RU2015143118 A RU 2015143118A
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Russia
Prior art keywords
layer
layers
adhesive polymer
polyamide
ethylene
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RU2015143118A
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Russian (ru)
Inventor
Грациано БЕЛЛИНИ
Марко ДЗАНЕЛЛА
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Гап С.Р.Л.
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Publication of RU2015143118A publication Critical patent/RU2015143118A/en

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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
    • 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
    • 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
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/18—Layered products comprising a layer of synthetic resin characterised by the use of special additives
    • 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
    • B32B27/306—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers comprising vinyl acetate or vinyl alcohol (co)polymers
    • 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
    • B32B27/34—Layered products comprising a layer of synthetic resin comprising polyamides
    • 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
    • B32B2307/514—Oriented
    • B32B2307/518—Oriented bi-axially
    • 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
    • B32B2307/724—Permeability to gases, adsorption
    • B32B2307/7242—Non-permeable
    • B32B2307/7244—Oxygen barrier
    • 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
    • B32B2307/724—Permeability to gases, adsorption
    • B32B2307/7242—Non-permeable
    • B32B2307/7246—Water vapor barrier
    • 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
    • B32B2439/00—Containers; Receptacles
    • B32B2439/40—Closed containers
    • B32B2439/46—Bags
    • 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

Landscapes

  • Laminated Bodies (AREA)

Claims (43)

1. Соэкструдированная и двуосно-растянутая термоусадочная многослойная полимерная пленка с барьерным эффектом в отношении газов и водяного пара, имеющая тип, согласно которому стопа из слоев, ответственная за указанный барьерный эффект, содержит примыкающие друг к другу по меньшей мере один слой полиамида (РА) и по меньшей мере один слой сополимера этилена и винилового спирта (EVOH), причем указанная пленка отличается тем, что между указанными слоями полиамида (РА) и указанными слоями сополимера этилена и винилового спирта (EVOH) расположен промежуточный связующий слой, образованный из компенсирующего адгезивного полимера.1. Coextruded and biaxially stretched heat-shrinkable multilayer polymer film with a barrier effect against gases and water vapor, having the type according to which the foot of the layers responsible for the specified barrier effect contains at least one layer of polyamide (PA) adjacent to each other and at least one layer of a copolymer of ethylene and vinyl alcohol (EVOH), wherein said film is characterized in that between the said layers of polyamide (PA) and said layers of a copolymer of ethylene and vinyl alcohol (EVOH) interstitial bonding layer is formed of compensating adhesive polymer. 2. Многослойная полимерная пленка по п. 1, в которой компенсирующий адгезивный полимер представляет собой полимер на основе этилена с добавками для повышения клейкости или полимерный адгезив на основе этилена, имеющий улучшенные реологические свойства.2. The multilayer polymer film of claim 1, wherein the compensating adhesive polymer is an ethylene-based polymer with tackifiers or an ethylene-based polymer adhesive having improved rheological properties. 3. Многослойная полимерная пленка по п. 2, в которой общая толщина слоя или слоев компенсирующего адгезивного полимера, расположенных между указанными слоями полиамида (РА) и указанными слоями сополимера этилена и винилового спирта (EVOH), находится в диапазоне от 10% до 40% от общей толщины всей стопы, образованной из указанных слоев сополимера этилена и винилового спирта (EVOH), указанных слоев полиамида (РА) и расположенных между ними слоев компенсирующего адгезивного полимера.3. A multilayer polymer film according to claim 2, in which the total thickness of the layer or layers of a compensating adhesive polymer located between these layers of polyamide (PA) and these layers of a copolymer of ethylene and vinyl alcohol (EVOH) is in the range from 10% to 40% of the total thickness of the entire foot formed from these layers of a copolymer of ethylene and vinyl alcohol (EVOH), these layers of polyamide (PA) and the layers of compensating adhesive polymer located between them. 4. Многослойная полимерная пленка по п. 2, содержащая следующие пять слоев:4. A multilayer polymer film according to claim 2, containing the following five layers: A) слой полиамида,A) a layer of polyamide, B) слой компенсирующего адгезивного полимера,B) a layer of compensating adhesive polymer, C) слой сополимера этилен-винилового спирта,C) a layer of a copolymer of ethylene-vinyl alcohol, D) слой компенсирующего адгезивного полимера,D) a layer of compensating adhesive polymer, E) слой полиолефина, образующий внутренний слой,E) a polyolefin layer forming an inner layer, причем слои (А), (В), (С) и (D) образуют наружный слой, а слой (Е) образует внутренний слой.moreover, layers (A), (B), (C) and (D) form the outer layer, and layer (E) forms the inner layer. 5. Многослойная полимерная пленка по п. 2, содержащая следующие семь слоев:5. A multilayer polymer film according to claim 2, containing the following seven layers: А) слой полиамида,A) a layer of polyamide, B) слой компенсирующего адгезивного полимера,B) a layer of compensating adhesive polymer, C) слой сополимера этилен-винилового спирта,C) a layer of a copolymer of ethylene-vinyl alcohol, D) слой компенсирующего адгезивного полимера,D) a layer of compensating adhesive polymer, E) слой полиамида,E) a layer of polyamide, F) слой адгезивного полимера,F) a layer of adhesive polymer, G) слой полиолефина,G) a layer of polyolefin, причем слои (А), (В), (С), (D), (Е) и (F) образуют наружный слой, а слой (G) образует внутренний слой.moreover, layers (A), (B), (C), (D), (E) and (F) form the outer layer, and layer (G) forms the inner layer. 6. Многослойная полимерная пленка по п. 2, содержащая следующие девять слоев:6. A multilayer polymer film according to claim 2, containing the following nine layers: A) слой полиамида,A) a layer of polyamide, B) слой компенсирующего адгезивного полимера,B) a layer of compensating adhesive polymer, C) слой полиамида,C) a layer of polyamide, D) слой компенсирующего адгезивного полимера,D) a layer of compensating adhesive polymer, E) слой сополимера этилен-винилового спирта,E) a layer of a copolymer of ethylene-vinyl alcohol, F) слой компенсирующего адгезивного полимера,F) a layer of compensating adhesive polymer, G) слой полиамида,G) a layer of polyamide, H) слой компенсирующего адгезивного полимера,H) a layer of compensating adhesive polymer, I) слой полиолефина,I) a layer of polyolefin, причем слои (А), (В), (С), (D), (Е), (F), (G) и (Н) образуют наружный слой, а слой (I) образует внутренний слой.moreover, layers (A), (B), (C), (D), (E), (F), (G) and (H) form the outer layer, and layer (I) forms the inner layer. 7. Многослойная полимерная пленка по п. 2, содержащая следующие одиннадцать слоев:7. A multilayer polymer film according to claim 2, containing the following eleven layers: A) слой полиамида,A) a layer of polyamide, B) слой компенсирующего адгезивного полимера,B) a layer of compensating adhesive polymer, C) слой полиолефина,C) a layer of polyolefin, D) слой компенсирующего адгезивного полимера,D) a layer of compensating adhesive polymer, E) слой полиамида,E) a layer of polyamide, F) слой компенсирующего адгезивного полимера,F) a layer of compensating adhesive polymer, G) слой сополимера этилен-винилового спирта,G) a layer of a copolymer of ethylene-vinyl alcohol, H) слой компенсирующего адгезивного полимера,H) a layer of compensating adhesive polymer, I) слой полиамида,I) a layer of polyamide, L) слой компенсирующего адгезивного полимера,L) a layer of compensating adhesive polymer, М) слой полиолефина,M) a layer of polyolefin, причем слои (А), (В), (С), (D), (Е), (F), (G), (Н), (I) и (L) образуют наружный слой, а слой (М) образует внутренний слой.moreover, layers (A), (B), (C), (D), (E), (F), (G), (H), (I) and (L) form the outer layer, and the layer (M) forms an inner layer.
RU2015143118A 2013-03-13 2013-03-13 HEAT SHRINKING MULTILAYER POLYMER FILM WITH A BARRIER EFFECT WITH RESPECT TO GASES AND WATER VAPOR RU2015143118A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/IT2013/000074 WO2014141308A1 (en) 2013-03-13 2013-03-13 Heat-shrinking multi-layer polymeric film with barrier effect to gases and water-vapour

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Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6531198B2 (en) * 1993-06-24 2003-03-11 Pechiney Emballage Flexible Europe Heat shrinkable barrier bags with anti block additives
US6503549B1 (en) * 1998-09-30 2003-01-07 Cryovac, Inc. Polyester tray package with lidding film having glycol-modified copolyester sealant layer
ATE326506T1 (en) * 1999-02-18 2006-06-15 Cryovac Inc MULTI-LAYER ORIENTED HEAT SHRINKABLE THERMOPLASTIC FILM
DE20217987U1 (en) 2002-06-20 2003-03-06 Kuhne Anlagenbau GmbH, 53757 Sankt Augustin Multi-layer, flat or tubular food casing or film
US7125929B2 (en) * 2004-05-11 2006-10-24 Equistar Chemicals, Lp Adhesive composition having improved clarity for coextruded barrier films
US20070172614A1 (en) 2005-12-30 2007-07-26 I-Hwa Lee Heat shrinkable multilayer film and tube with improved adhesion after orientation
DE102006036844B3 (en) 2006-08-07 2008-01-03 Kuhne Anlagenbau Gmbh Multi-layered, flat or tube-like plastic food casing or covering, useful as a food packaging, comprises nine different layers from polyethylene terephthalate, adhesion promoter, polyethylene, polyamide and ethyl vinyl alcohol
US20090035594A1 (en) 2007-08-01 2009-02-05 Lee Chun D Rheology-modified grafts and adhesive blends

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WO2014141308A1 (en) 2014-09-18

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Effective date: 20180522