HK80195A - Multi-layer shrink film - Google Patents

Multi-layer shrink film

Info

Publication number
HK80195A
HK80195A HK80195A HK80195A HK80195A HK 80195 A HK80195 A HK 80195A HK 80195 A HK80195 A HK 80195A HK 80195 A HK80195 A HK 80195A HK 80195 A HK80195 A HK 80195A
Authority
HK
Hong Kong
Prior art keywords
film
stretching
low
resin
interlayer
Prior art date
Application number
HK80195A
Other languages
English (en)
French (fr)
Inventor
Ogawa Tadatoshi
Yoshida Teruaki
Original Assignee
Sumitomo Chemical Company, Limited
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=12944984&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=HK80195(A) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Sumitomo Chemical Company, Limited filed Critical Sumitomo Chemical Company, Limited
Publication of HK80195A publication Critical patent/HK80195A/en

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
    • C08J5/18—Manufacture of films or sheets
    • 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
    • B32B27/32—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
    • 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
    • B32B2307/40—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
    • B32B2307/582—Tearability
    • B32B2307/5825—Tear resistant
    • 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
    • B32B2323/00—Polyalkenes
    • B32B2323/04—Polyethylene
    • B32B2323/046—LDPE, i.e. low density polyethylene
    • 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
    • B32B2323/10—Polypropylene
    • 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
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S428/00—Stock material or miscellaneous articles
    • Y10S428/91—Product with molecular orientation
    • 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
    • Y10T428/24992—Density or compression of components
    • 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]
    • Y10T428/31855—Of addition polymer from unsaturated monomers
    • Y10T428/31909—Next to second addition polymer from unsaturated monomers
    • Y10T428/31913—Monoolefin polymer

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Laminated Bodies (AREA)
  • Shaping By String And By Release Of Stress In Plastics And The Like (AREA)

Claims (4)

  1. Schrumpfbarer Mehrschichtfilm, der durch Bildung einer Zusammenstellung erhältlich ist, die eine Zwischenschicht umfaßt, die ein flexibles Propylenharz mit einem Vicat-Erweichungspunkt von 115°C oder weniger und/oder ein lineares Polyethylen sehr niedriger Dichte mit einer Dichte von weniger als 0,91 g/cm³ umfaßt, die zwischen den äußeren Schichten angeordnet ist; die ein Propylenharz umfassen mit einem Vicat-Erweichungspunkt im Bereich von 80 bis 150°C und höher als der des flexiblen Propylenharzes der Zwischenschicht, falls die Zwischenschicht ein Propylenharz umfaßt, und nachfolgend durch Strecken der Zusammenstellung.
  2. Schrumpfbarer Mehrschichtfilm nach Anspruch 1, in dem das flexible Propylenharz der Zwischenschicht ein Gemisch aus einem flexiblen Propylenharz und einem Kohlenwasserstoffharz umfaßt.
  3. Schrumpfbarer Mehrschichtfilm nach Anspruch 1, der eine gestreckte Mehrschichtfolie umfaßt, die eine Vielzahl von akkumulierten Zwischenschichten umfaßt, von denen wenigstens eine ein flexibles Propylenharz mit einem Vicat-Erweichungspunkt von 115°C oder weniger umfaßt und wenigstens eine von ihnen ein lineares Polyethylen sehr niedriger Dichte mit einer Dichte von weniger als 0,91 g/cm³ umfaßt, die zwischen den äußeren Schichten angeordnet sind.
  4. Schrumpfbarer Mehrschichtfilm nach einem der vorausgehenden Ansprüche, in dem das lineare Polyethylen sehr niedriger Dichte mit einem linearen Polyethylen niedriger Dichte mit einer Dichte im Bereich von >0,91 bis 0,93 g/cm³ gemischt ist.
HK80195A 1987-03-09 1995-05-25 Multi-layer shrink film HK80195A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5351687 1987-03-09

Publications (1)

Publication Number Publication Date
HK80195A true HK80195A (en) 1995-06-01

Family

ID=12944984

Family Applications (1)

Application Number Title Priority Date Filing Date
HK80195A HK80195A (en) 1987-03-09 1995-05-25 Multi-layer shrink film

Country Status (8)

Country Link
US (1) US4948657A (de)
EP (1) EP0282282B1 (de)
KR (1) KR910006232B1 (de)
AU (1) AU599750B2 (de)
CA (1) CA1283035C (de)
DE (1) DE3884240T2 (de)
HK (1) HK80195A (de)
PH (1) PH24713A (de)

Families Citing this family (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2221649B (en) * 1988-08-11 1992-04-29 Okura Industrial Co Ltd Heat shrinkable composite film and packaging method using same
CA2003882C (en) * 1988-12-19 1997-01-07 Edwin Rogers Smith Heat shrinkable very low density polyethylene terpolymer film
JP3015967B2 (ja) * 1989-10-02 2000-03-06 旭化成工業株式会社 多層包装フィルム及びその製造方法
CA2048296C (en) * 1990-08-13 2002-09-24 Henry G. Schirmer Blends of polypropylene and ethylene copolymer and films made from the blend
IT1246667B (it) * 1991-01-31 1994-11-24 Francesconi & C Srl Pellicola termoretraibile in tre strati di resine sintetiche, di cui quello centrale in polietilene a bassissima densita'
AU648468B2 (en) * 1992-07-01 1994-04-21 Lintec Corporation Film for label
US5298302A (en) * 1992-08-21 1994-03-29 W. R. Grace & Co.-Conn. Film with improved lap seal
US5482771A (en) * 1992-09-18 1996-01-09 W. R. Grace & Co.-Conn. Moisutre barrier film
US6524720B1 (en) 1992-09-18 2003-02-25 Cryovac, Inc. Moisture barrier film
CA2106258C (en) * 1992-09-18 2003-11-04 Gautam P. Shah Moisture barrier film
FR2703624B1 (fr) * 1993-04-06 1995-07-07 Bollore Technologies Film composite thermoretractable, procede de fabrication et utilisation dudit film pour le suremballage d'articles.
FR2697203B1 (fr) * 1992-10-26 1995-02-17 Bollore Technologies Film composite thermorétractable et recyclable à base notamment de polypropylène procédé de production de celui-ci et utilisation du film pour le suremballage.
DE69319061T2 (de) * 1992-10-26 1999-03-18 Bollore Technologies S.A., Quimper Wärmeschrumpfbarer Verbundfilm, Verfahren zu seiner Herstellung und Verwendung für Verpackungen
JP3258830B2 (ja) * 1994-09-29 2002-02-18 株式会社興人 ポリオレフィン系熱収縮性積層フィルム
DE19515254C2 (de) * 1995-04-26 1998-06-04 Fresenius Ag PVC-freie Mehrschichtfolie, Verfahren zur Herstellung derselben und deren Verwendung
EP0763422A1 (de) * 1995-09-13 1997-03-19 W.R. Grace & Co.-Conn. Mehrschichtige schrumpffähige Folie, die Polypropylen mit einem niedrigen Elastizitätsmodul enthält
IT1277095B1 (it) * 1995-12-18 1997-11-04 Montell Technology Company Bv Film termoretraibili multistrato
CH692846A5 (it) * 1997-02-24 2002-11-29 Baxter Biotech Tech Sarl Film a più strati coestrusi per contenitori di fluidi sterilizzabili.
EP1140471B1 (de) * 1998-12-18 2004-09-08 Cryovac, Inc. Verfahren zur herstellung einer biaxial orientierten, wärmeschrumpfbaren, mehrschichtigen polyolefinfolie und dadurch erhaltene folie
AUPQ466599A0 (en) * 1999-12-15 2000-01-13 Sporos Sa Multilayer heat shrinkable film
US7147930B2 (en) 2003-12-16 2006-12-12 Curwood, Inc. Heat-shrinkable packaging films with improved sealing properties and articles made thereof
US20060286321A1 (en) * 2005-06-17 2006-12-21 Cryovac, Inc. Films having a combination of high impact strength and high shrink
US20080003332A1 (en) * 2006-05-12 2008-01-03 Dimitrios Ginossatis Multilayer heat shrinkable cook-in film
DE202011110798U1 (de) 2011-05-03 2016-08-09 Flexopack S.A. Abfallverpackungssystem und Folie
AU2014203227B2 (en) 2013-06-14 2018-01-04 Flexopack S.A. Heat shrinkable film
EP3501822A1 (de) 2017-12-22 2019-06-26 Flexopack S.A. Fibc-auskleidungsfolie

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE754507A (fr) * 1969-08-08 1971-02-08 Dow Chemical Co Procede d'emballage d'articles perfectionne
US4410582A (en) * 1980-12-10 1983-10-18 Toray Industries, Inc. Multi-layered polyolefin laminated film
CA1199567A (en) * 1982-02-18 1986-01-21 Walter B. Mueller Linear polyethylene shrink films
US4551380A (en) * 1984-05-10 1985-11-05 W. R. Grace & Co., Cryovac Div. Oriented heat-sealable multilayer packaging film
GB8513247D0 (en) * 1985-05-24 1985-06-26 Ici Plc Multiple-layer polyolefin films
JPS61295036A (ja) * 1985-06-25 1986-12-25 呉羽化学工業株式会社 熱収縮性積層フイルム
US4720427A (en) * 1985-10-28 1988-01-19 Mobil Oil Corporation Oriented multi-layer heat sealable film
GB8613162D0 (en) * 1986-05-30 1986-07-02 Exxon Chemical Patents Inc Sealable films
US4876129A (en) * 1986-06-23 1989-10-24 Fuji Photo Film Co., Ltd. Packaging material for photographic photosensitive materials
US4786562A (en) * 1986-07-11 1988-11-22 Sumitomo Chemical Company, Limited Polypropylene multi-layer film

Also Published As

Publication number Publication date
DE3884240D1 (de) 1993-10-28
PH24713A (en) 1990-10-01
CA1283035C (en) 1991-04-16
KR880011242A (ko) 1988-10-27
DE3884240T2 (de) 1994-02-17
EP0282282A3 (en) 1989-11-15
AU599750B2 (en) 1990-07-26
KR910006232B1 (ko) 1991-08-17
US4948657A (en) 1990-08-14
EP0282282A2 (de) 1988-09-14
EP0282282B1 (de) 1993-09-22
AU1209688A (en) 1988-09-08

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Legal Events

Date Code Title Description
PC Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee)