DK2144752T3 - Forseglelig, afrivelig film - Google Patents

Forseglelig, afrivelig film Download PDF

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Publication number
DK2144752T3
DK2144752T3 DK08737244.7T DK08737244T DK2144752T3 DK 2144752 T3 DK2144752 T3 DK 2144752T3 DK 08737244 T DK08737244 T DK 08737244T DK 2144752 T3 DK2144752 T3 DK 2144752T3
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DK
Denmark
Prior art keywords
layer
film
sealing
tear
core
Prior art date
Application number
DK08737244.7T
Other languages
English (en)
Inventor
Jonathan Hewitt
Martin Richard Cockroft
Original Assignee
Innovia Films Ltd
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=38198781&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DK2144752(T3) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Innovia Films Ltd filed Critical Innovia Films Ltd
Application granted granted Critical
Publication of DK2144752T3 publication Critical patent/DK2144752T3/da

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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
    • 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
    • B32B1/00—Layered products having a non-planar shape
    • B32B1/08—Tubular products
    • 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
    • B32B27/16—Layered products comprising a layer of synthetic resin specially treated, e.g. irradiated
    • 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
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/36—Layered products comprising a layer of synthetic resin comprising polyesters
    • 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
    • B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/10—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the pressing technique, e.g. using action of vacuum or fluid pressure
    • 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
    • B32B7/06—Interconnection of layers permitting easy separation
    • 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
    • B32B2255/00—Coating on the layer surface
    • B32B2255/10—Coating on the layer surface on synthetic resin layer or on natural or synthetic rubber 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
    • B32B2255/00—Coating on the layer surface
    • B32B2255/26—Polymeric coating
    • 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
    • B32B2270/00—Resin or rubber layer containing a blend of at least two different 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
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/30—Properties of the layers or laminate having particular thermal properties
    • B32B2307/31—Heat sealable
    • 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
    • B32B2307/406—Bright, glossy, shiny surface
    • 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
    • B32B2307/50—Properties of the layers or laminate having particular mechanical properties
    • B32B2307/582—Tearability
    • 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
    • B32B2307/75—Printability
    • 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
    • B32B2323/00—Polyalkenes
    • 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
    • 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
    • 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
    • Y10T428/13—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
    • Y10T428/2495—Thickness [relative or absolute]
    • Y10T428/24967—Absolute thicknesses specified
    • Y10T428/24975—No layer or component greater than 5 mils thick

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Laminated Bodies (AREA)
  • Wrappers (AREA)

Claims (13)

1. Forseglelig og afrivelig film, der omfatter et firlagskoekstrudat, der omfatter et kernelag, der i overvejende grad bidrager til filmens tykkelse, et første forseglingslag tilvejebragt på én side af kernelaget og et andet forseglingslag, eller alternativt et lamineringslag, tilvejebragt på den anden side af kernelaget, og hvor filmen omfatter et afrivningslag mellem det første forseglingslag og kernelaget og/eller mellem det andet forseglingslag, eller alternativt lamineringslaget, og kernelaget, og hvor afrivningslaget støder op til det første forseglingslag og/eller det andet forseglingslag og/eller laminatlaget, således at der ingen mellemliggende lag er mellem afrivningslaget og det tilstødende forsegling- og/eller lamineringslag, hvor den relative tykkelse af afrivningslaget og dets tilstødende forsegling- og/eller lamineringslag (p:s/l ratio) er fra 1:6 til 2:1, og hvor tykkelsen af afrivningslaget er fra 0,3 pm til 3 pm.
2. Film ifølge krav 1 fremstillet som et enkelt net, hvor firlagskonstruktionen omfatter et første forseglingslag tilvejebragt på én side af kernelaget og et andet forseglingslag tilvejebragt på den anden side af kernelaget, hvor afrivningslaget er tilvejebragt mellem kernelaget og mindst ét af forseglingslagene og stødende op til mindst ét af forseglingslagene.
3. Film ifølge krav 1 fremstillet som et laminat, hvor firlagskonstruktionen omfatter et første forseglingslag tilvejebragt på én side af kernelaget og et laminatlag tilvejebragt på den anden side af kernelaget, hvor to enkelte net af filmen er lamineret til hinanden (laminatlag på laminatlag) for at tilvejebringe en syvlagslaminatstruktur (hvor de to lamineringslag reelt danner et enkelt lag i laminatstrukturen), hvor afrivningslaget er tilvejebragt mellem kernelaget og det første forseglingslag og/eller lamineringslaget og stødende op til det første forseglingslag og/eller lamineringslaget.
4. Film ifølge et hvilket som helst af kravene 1 til 3, der endvidere omfatter yderligere eller supplerende lag enten ved coekstrudering, coating eller laminering.
5. Film ifølge krav 4, der omfatter ét eller flere mellemlag placeret mellem kernelaget og det første forseglingslag, mellem kernelaget og det andet forseglingslag, mellem kernelaget og laminatlaget og/eller mellem kernelaget og afrivningslaget.
6. Film ifølge et hvilket som helst af kravene 1 til 5, hvor afrivningslaget støder op til filmens kernelag, eventuelt hvor der ingen mellemliggende lag er mellem afrivningslaget og kernelaget.
7. Film ifølge et hvilket som helst af kravene 1 til 6, hvor afrivningslaget omfatter mindst én blokcopolymerkomponent, eventuelt udvalgt fra mindst en olefinholdig komponent, eventuelt hvor mindst to olefinholdige komponenter er til stede i afrivningslaget, hvor blokcopolymeren er mindst delvist dannet ved blokcopolymerisering af én olefinholdig komponent, eller blanding af olefinholdige komponenter med en anden olefinholdig komponent, eller blanding af olefinholdige komponenter eventuelt hvor blokcopolymersubstratet omfatter polypropylen og polyethylen.
8. Film ifølge et hvilket som helst af kravene 1 til 7 med en vidvinkeluklarhedsværdi på mindre end ca. 5 og/eller en glansværdi (ved 45°) på mindst ca. 75.
9. Film ifølge et hvilket som helst af kravene 1 til 8, hvor tykkelsen af afrivningslaget er udvalgt til at tilvejebringe en afrivningsstyrke (ved måling ved en varmeforseg Iingstærskel ved 15 psi/2 sek. ved en temperatur på fra 110 °C til 140 °C) på mindre end 750 g/25 mm2 og/eller en afrivningsstyrke (ved måling ved en varmeforseglingstærskel ved 5 psi/0,5 sek. ved en temperatur på fra 110 °C til 140 °C) på mindre end ca. 650 g/25 mm2.
10. Film ifølge et hvilket som helst af kravene 1 til 9, hvor tykkelsen af afrivningslaget er fra 0,35 pm til 2,5 pm.
11. Forseglet emballage dannet ud af en forseglelig og afrivelig film ifølge et hvilket som helst af kravene 1 til 10.
12. Emballage ifølge krav 11 dannet ved vikling af filmen omkring en genstand, der skal emballeres på en måde for at opnå mindst ét område med filmoverlapning, og varmeforseg ling af de resulterende overlappende filmsektioner til hinanden for at tilvejebringe mindst ét forseglet område af emballagen, hvilket forseglet område efterfølgende kan åbnes ved manuelt at adskille de overlappende filmsektioner, reelt uden iturivning af filmen ved eller omkring det forseglende område.
13. Omslags- eller helemballage ifølge krav 12.
DK08737244.7T 2007-05-04 2008-05-02 Forseglelig, afrivelig film DK2144752T3 (da)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GBGB0708692.9A GB0708692D0 (en) 2007-05-04 2007-05-04 Seelable, pealable film
PCT/GB2008/050320 WO2008135784A2 (en) 2007-05-04 2008-05-02 Sealable, peelable film

Publications (1)

Publication Number Publication Date
DK2144752T3 true DK2144752T3 (da) 2018-09-17

Family

ID=38198781

Family Applications (1)

Application Number Title Priority Date Filing Date
DK08737244.7T DK2144752T3 (da) 2007-05-04 2008-05-02 Forseglelig, afrivelig film

Country Status (14)

Country Link
US (2) US9079374B2 (da)
EP (1) EP2144752B2 (da)
CN (2) CN104385742A (da)
AU (1) AU2008247158B2 (da)
BR (1) BRPI0813161A2 (da)
DK (1) DK2144752T3 (da)
EA (1) EA020995B1 (da)
ES (1) ES2678417T5 (da)
GB (1) GB0708692D0 (da)
HK (1) HK1205984A1 (da)
PL (1) PL2144752T3 (da)
PT (1) PT2144752T (da)
SI (1) SI2144752T1 (da)
WO (1) WO2008135784A2 (da)

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GB0708692D0 (en) 2007-05-04 2007-06-13 Innovia Films Ltd Seelable, pealable film
EP2147044B1 (en) 2007-05-24 2013-08-07 Innovia Films Limited Low emissivity film
GB0714419D0 (en) * 2007-07-24 2007-09-05 Innovia Films Ltd Indicia means
GB0714418D0 (en) 2007-07-24 2007-09-05 Innovia Films Ltd UV barrier film
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CN104786601B (zh) * 2015-04-17 2017-06-16 湖北德威包装科技有限公司 一种低摩擦系数高阻隔镀铝膜及其制备方法
KR20220149608A (ko) * 2020-03-06 2022-11-08 쓰리엠 이노베이티브 프로퍼티즈 컴파니 연속 박리력을 갖는 공압출된 중합체 필름
TWI841036B (zh) * 2022-11-04 2024-05-01 南亞塑膠工業股份有限公司 醫用易撕膜及其製造方法

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CN104385742A (zh) 2015-03-04
US11254096B2 (en) 2022-02-22
US20100189938A1 (en) 2010-07-29
CN101678640A (zh) 2010-03-24
AU2008247158B2 (en) 2012-05-31
WO2008135784A3 (en) 2009-11-12
AU2008247158A1 (en) 2008-11-13
US20150273797A1 (en) 2015-10-01
EP2144752B1 (en) 2018-06-13
GB0708692D0 (en) 2007-06-13
BRPI0813161A2 (pt) 2014-12-23
EA020995B1 (ru) 2015-03-31
ES2678417T3 (es) 2018-08-10
EA200971024A1 (ru) 2010-04-30
ES2678417T5 (es) 2022-06-08
PL2144752T3 (pl) 2018-10-31
PT2144752T (pt) 2018-08-10
HK1205984A1 (en) 2015-12-31
US9079374B2 (en) 2015-07-14
WO2008135784A2 (en) 2008-11-13
EP2144752B2 (en) 2022-03-02
SI2144752T1 (en) 2018-08-31

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