EP1465768A2 - Materiau composite destine a des emballages thermoscellables etanches a la lumiere, aux gaz et aux liquides - Google Patents

Materiau composite destine a des emballages thermoscellables etanches a la lumiere, aux gaz et aux liquides

Info

Publication number
EP1465768A2
EP1465768A2 EP03729479A EP03729479A EP1465768A2 EP 1465768 A2 EP1465768 A2 EP 1465768A2 EP 03729479 A EP03729479 A EP 03729479A EP 03729479 A EP03729479 A EP 03729479A EP 1465768 A2 EP1465768 A2 EP 1465768A2
Authority
EP
European Patent Office
Prior art keywords
layer
composite material
material according
composite
thermoplastic polymer
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.)
Withdrawn
Application number
EP03729479A
Other languages
German (de)
English (en)
Inventor
Werner Trautwein
Michael Wolters
Johannes Linden
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.)
SIG Combibloc Systems GmbH
SIG Combibloc GmbH and Co KG
Original Assignee
SIG Combibloc Systems GmbH
SIG Combibloc GmbH and Co KG
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 SIG Combibloc Systems GmbH, SIG Combibloc GmbH and Co KG filed Critical SIG Combibloc Systems GmbH
Publication of EP1465768A2 publication Critical patent/EP1465768A2/fr
Withdrawn legal-status Critical Current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
    • B32B27/10—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 paper or cardboard
    • 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
    • B32B15/00—Layered products comprising a layer of metal
    • B32B15/04—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B15/12—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material of paper or cardboard
    • 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
    • B32B27/12—Layered products comprising a layer of synthetic resin next to a fibrous or filamentary layer
    • 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
    • B32B29/00—Layered products comprising a layer of paper or cardboard
    • 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
    • B32B2305/00—Condition, form or state of the layers or laminate
    • B32B2305/55—Liquid crystals
    • 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
    • B32B2311/00—Metals, their alloys or their compounds
    • 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
    • B32B2317/00—Animal or vegetable based
    • B32B2317/12—Paper, e.g. cardboard
    • 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
    • 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]
    • Y10T428/31678—Of metal
    • Y10T428/31681—Next to polyester, polyamide or polyimide [e.g., alkyd, glue, or nylon, 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
    • Y10T428/31504—Composite [nonstructural laminate]
    • Y10T428/31678—Of metal
    • Y10T428/31692—Next to 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]
    • Y10T428/31678—Of metal
    • Y10T428/31703—Next to cellulosic

Definitions

  • the invention relates to a composite material made of paper or cardboard as a carrier material with a
  • Plastic coating in particular for light-tight, gas-tight and liquid-tight heat-sealable packs, the plastic coating in each case having outer sealing layers and a barrier layer made of metal being present between the carrier material layer and a sealing layer.
  • Heat-sealable composite materials for the production of packs, in particular beverage packs, are known in a wide variety of designs. Paper or cardboard is usually used as the carrier material; A lamination of different layers ensures the tightness required for the respective application and thus the durability of the filled product.
  • the outer sealing layers consist of a suitable thermoplastic polymer.
  • a composite of cardboard coated with polyethylene is preferably used, a layer of aluminum foil as a gas and aroma barrier on the inside (based on the later pack) being laminated to the cardboard carrier material with the sealing layer.
  • Packaging of this type has become established in practice for containing perishable goods, such as UHT milk and fruit juices in particular. The packaged product has already been sterilized by suitable steps before the aseptic filling.
  • the composite structure existing according to the prior art has only a barrier layer of water and water vapor impermeable material which protects the cardboard.
  • This layer is usually arranged on the product side and protects the carrier material against moisture from the product.
  • the polymer layer on the outside of the carrier material is only used for sealability, printability and as protection against "normal" environmental influences.
  • the object of the invention is to provide a composite material of the type mentioned at the outset and described in more detail above, in which the backing material layer is protected in such a way that a pack made therefrom with the product contained therein can be sterilized in an autoclave or the like , It is also desirable that the composite material can be produced simply and inexpensively. This object is achieved in that a further barrier layer is provided on the other side of the carrier material layer.
  • a package made from the composite material according to the invention can therefore be sterilized without problems in an autoclave even at higher sterilization temperatures.
  • the metal barrier layers applied to both sides of the carton are 'absolute' barrier layers and have the additional advantage that the holes or imperfections occasionally occurring during processing, especially when folding and folding, and during transport etc. a barrier layer, because of the intact second layer in front of or behind it, cannot have a negative impact on the shelf life of the packaged product.
  • the double metal layer thus leads to increased safety of the product quality with respect to e.g. B. Shelf life.
  • at least one connecting layer is arranged between the carrier material layer and the barrier layer.
  • Such a layer also called an adhesion promoter layer, ensures better contact between the carrier material and the barrier layers.
  • a further embodiment of the invention provides that at least one further connection layer is arranged between the barrier layer and the outer sealing layer. This measure also improves the adhesion between the barrier layer and the respective outer sealing layer.
  • the oxygen barrier layer consists of Al foil.
  • a polymer-based or adhesive-based adhesion promoter can be used as the connecting layer.
  • PP thermoplastic polymer
  • PET polyethylene terephthalate
  • PE polyethylene
  • LCP liquid crystalline polymers
  • EVOH ethylene / vinyl alcohol
  • PA polyamide
  • the outer sealing layers have a layer thickness of 10 to 40 g / m 2 .
  • the outer sealing layer relating to the later composite pack preferably has one Layer thickness of 10 to 20 g / m 2 and the inner sealing layer related to the subsequent packaging a layer thickness of 20 to 35 g / m 2 .
  • an aluminum foil with a layer thickness of 5 to 10 ⁇ m, preferably 6 to 8 ⁇ m, is provided as the barrier layer.
  • connection layer (adhesion promoter layer) has a layer thickness of 4 to 20 g / m 2 , preferably 5 to 10 g / m 2 . It is particularly expedient here if the connecting layer between the carrier material layer and the barrier layers is thicker than the connecting layer between the barrier layers and the outer sealing layers.
  • the composite material according to the invention can be produced in a single operation using the coextrusion process.
  • FIG. 1 shows a first embodiment of a composite material according to the invention
  • Fig. 2 shows a second embodiment of a composite material according to the invention
  • Fig. 3 shows another embodiment of a composite material according to the invention.
  • examples of the composite materials according to the invention are shown schematically in cross section and not to scale.
  • barrier layers 2 to protect the cardboard from the flat attack of water during the autoclaving process.
  • the composite is provided with two sealing layers 3, which consist of a thermoplastic polymer, the thermoplastic polymer polypropylene (PP), polyethylene terephthalate (PET), polyethylene (PE), made of liquid-crystalline polymers (LCP),
  • a thermoplastic polymer the thermoplastic polymer polypropylene (PP), polyethylene terephthalate (PET), polyethylene (PE), made of liquid-crystalline polymers (LCP),
  • Ethylene / vinyl alcohol (EVOH) or polyamide (PA) can be.
  • the sealing layers 3 enable the composite to be welded and can also be constructed from a plurality of polymer layers or a compound thereof.
  • FIG. 2 shows a further exemplary embodiment of a composite material according to the invention, in which improved composite adhesion is made possible by additional connecting layers 4 between the cardboard layer 1 and the barrier layers 2.
  • the connection layers 4 consist of an adhesion promoter based on polymer or adhesive.
  • FIG. 3 shows a third exemplary embodiment in which two further connecting layers 4 are present between the barrier layers 2 and the sealing layers 3 lying on the outside.

Landscapes

  • Laminated Bodies (AREA)
  • Wrappers (AREA)

Abstract

L'invention concerne un matériau composite contenant du papier ou du carton en tant que matériau support (1), et présentant un revêtement plastique, notamment destiné à des emballages thermoscellables étanches à la lumière, aux gaz et aux liquides. Ledit revêtement plastique présente respectivement des couches de scellage extérieures (3), une couche barrière (2) en métal étant présente entre la couche de matériau support (1) et une des couches de scellage (3). L'invention concerne également un procédé de fabrication dudit matériau composite. L'invention vise à protéger la couche de matériau support (1) du matériau composite de manière qu'un emballage réalisé à partir dudit matériau composite, contenant un produit, puisse être stérilisé dans un autoclave ou similaire, ledit matériau composite pouvant être fabriqué de façon simple et économique. A cet effet, une couche barrière ultérieure (2) est disposée sur l'autre côté de la couche de matériau support (1).
EP03729479A 2002-01-18 2003-01-17 Materiau composite destine a des emballages thermoscellables etanches a la lumiere, aux gaz et aux liquides Withdrawn EP1465768A2 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE10202072 2002-01-18
DE10202072A DE10202072A1 (de) 2002-01-18 2002-01-18 Verbundmaterial für licht-, gas- und flüssigkeitsdichte, heißsiegelbare Packungen
PCT/EP2003/000429 WO2003059622A2 (fr) 2002-01-18 2003-01-17 Materiau composite destine a des emballages thermoscellables etanches a la lumiere, aux gaz et aux liquides

Publications (1)

Publication Number Publication Date
EP1465768A2 true EP1465768A2 (fr) 2004-10-13

Family

ID=7712631

Family Applications (1)

Application Number Title Priority Date Filing Date
EP03729479A Withdrawn EP1465768A2 (fr) 2002-01-18 2003-01-17 Materiau composite destine a des emballages thermoscellables etanches a la lumiere, aux gaz et aux liquides

Country Status (14)

Country Link
US (1) US20050158530A1 (fr)
EP (1) EP1465768A2 (fr)
JP (1) JP2005528236A (fr)
KR (1) KR20040096529A (fr)
CN (1) CN1630582A (fr)
AU (1) AU2003235703A1 (fr)
BR (1) BR0307007A (fr)
CA (1) CA2473117A1 (fr)
DE (1) DE10202072A1 (fr)
MX (1) MXPA04006951A (fr)
NO (1) NO20043154L (fr)
RU (1) RU2004125155A (fr)
TW (1) TW592954B (fr)
WO (1) WO2003059622A2 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4173817A2 (fr) 2021-10-29 2023-05-03 Green Owl Sp. z o.o. Stratifié multicouche et son procédé de fabrication

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US9944051B2 (en) * 2006-10-02 2018-04-17 Mead Johnson Nutrition Co. Laminate
CA2685882C (fr) 2007-07-03 2015-12-29 Newpage Wisconsin System, Inc. Materiau d'emballage a effet de barriere eleve biodegradable et compostable
US20090210082A1 (en) * 2008-02-18 2009-08-20 Honeywell International Inc. Composite material for use in forming a product fixture assembly for reduced weight, improved safety, and ease of manufacture
DE102009050420A1 (de) 2009-10-22 2011-05-05 Sig Technology Ag Verfahren zum Herstellen autoklavierter Nahrungsmittel in einem aus einem flächenförmigen Verbund gebildeten Behälter mit einer farbigen vernetzten äußeren Polymerschicht erhältlich durch Hochdruck
DE102009050419A1 (de) * 2009-10-22 2011-04-28 Sig Technology Ag Perforierter Behälter aus einem flächenförmigen Verbund mit mindestens einer außenseitigen Polyamidschicht sowie ein Verfahren zu dessen Herstellung
DE102009050418A1 (de) 2009-10-22 2011-04-28 Sig Technology Ag Verfahren zum Herstellen autoklavierter Nahrungsmittel in einem aus einem flächenförmigen Verbund gebildeten Behälter mit einer farbigen vernetzten äußeren Polymerschicht erhältlich durch Tiefdruck
CN102502055B (zh) * 2011-11-02 2014-02-12 厦门正兴宏业印刷有限公司 一次性水袋及其加工方法
CN103640786A (zh) * 2013-11-28 2014-03-19 无锡合众信息科技有限公司 一种耐高温的复合包装材料
CN105252867B (zh) * 2015-10-12 2017-12-26 宁波华丰包装有限公司 一种多层复合膜及其制备方法
CN106113854A (zh) * 2016-06-28 2016-11-16 朝阳佛瑞达科技有限公司 一种乳制品包装膜及其生产方法
DE102017116170A1 (de) * 2017-07-18 2019-01-24 Sig Technology Ag Packungslaminat und Verfahren zur Bildung einer Packung mit einem Funktionselement
CN114560158A (zh) * 2022-04-07 2022-05-31 济南泉华包装制品有限公司 一种耐存储的pte光柱镀膜的屋顶包结构

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4173817A2 (fr) 2021-10-29 2023-05-03 Green Owl Sp. z o.o. Stratifié multicouche et son procédé de fabrication

Also Published As

Publication number Publication date
TW592954B (en) 2004-06-21
BR0307007A (pt) 2004-11-03
AU2003235703A1 (en) 2003-07-30
KR20040096529A (ko) 2004-11-16
NO20043154L (no) 2004-07-23
RU2004125155A (ru) 2005-05-27
US20050158530A1 (en) 2005-07-21
JP2005528236A (ja) 2005-09-22
CA2473117A1 (fr) 2003-07-24
MXPA04006951A (es) 2005-03-23
WO2003059622A3 (fr) 2004-04-22
TW200302777A (en) 2003-08-16
CN1630582A (zh) 2005-06-22
WO2003059622A2 (fr) 2003-07-24
DE10202072A1 (de) 2003-08-14

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