DK0728071T3 - Flerlags, tovejsorienteret varmekrympelig film - Google Patents

Flerlags, tovejsorienteret varmekrympelig film

Info

Publication number
DK0728071T3
DK0728071T3 DK95900667T DK95900667T DK0728071T3 DK 0728071 T3 DK0728071 T3 DK 0728071T3 DK 95900667 T DK95900667 T DK 95900667T DK 95900667 T DK95900667 T DK 95900667T DK 0728071 T3 DK0728071 T3 DK 0728071T3
Authority
DK
Denmark
Prior art keywords
multilayer
heat shrinkable
shrinkable film
way heat
layer
Prior art date
Application number
DK95900667T
Other languages
English (en)
Inventor
Ray E Patrick
Luca Cerani
Livio Buongiorno
Paolo Ciocca
Roberto Forloni
Original Assignee
Cryovac Inc
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 Cryovac Inc filed Critical Cryovac Inc
Application granted granted Critical
Publication of DK0728071T3 publication Critical patent/DK0728071T3/da

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C55/00—Shaping by stretching, e.g. drawing through a die; Apparatus therefor
    • B29C55/02—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets
    • B29C55/023—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets using multilayered plates 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
    • B32B38/00—Ancillary operations in connection with laminating processes
    • B32B38/0008—Electrical discharge treatment, e.g. corona, plasma treatment; wave energy or particle radiation
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
    • C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2023/00—Use of polyalkenes or derivatives thereof as moulding material
    • B29K2023/04—Polymers of ethylene
    • B29K2023/06—PE, i.e. polyethylene
    • B29K2023/0608—PE, i.e. polyethylene characterised by its density
    • B29K2023/0625—LLDPE, i.e. linear low density polyethylene
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2023/00—Use of polyalkenes or derivatives thereof as moulding material
    • B29K2023/04—Polymers of ethylene
    • B29K2023/08—Copolymers of ethylene
    • B29K2023/083—EVA, i.e. ethylene vinyl acetate copolymer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2023/00—Use of polyalkenes or derivatives thereof as moulding material
    • B29K2023/04—Polymers of ethylene
    • B29K2023/08—Copolymers of ethylene
    • B29K2023/086—EVOH, i.e. ethylene vinyl alcohol copolymer
    • 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
    • B32B38/00—Ancillary operations in connection with laminating processes
    • B32B38/0012—Mechanical treatment, e.g. roughening, deforming, stretching
    • B32B2038/0028—Stretching, elongating
    • 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
    • B32B2307/732—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
    • B32B2323/10—Polypropylene
    • 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
    • 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
    • Y10T428/13—Hollow or container type article [e.g., tube, vase, etc.]
    • Y10T428/1328—Shrinkable or shrunk [e.g., due to heat, solvent, volatile agent, restraint removal, 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
    • Y10T428/24—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
    • Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
    • Y10T428/2913—Rod, strand, filament or fiber
    • Y10T428/2918—Rod, strand, filament or fiber including free carbon or carbide or therewith [not as steel]
    • 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
    • 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
    • Y10T428/3192—Next to vinyl or vinylidene chloride polymer
    • 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
    • Y10T428/31928—Ester, halide or nitrile of addition polymer

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Plasma & Fusion (AREA)
  • Thermal Sciences (AREA)
  • Laminated Bodies (AREA)
  • Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
  • Wrappers (AREA)
  • Materials For Medical Uses (AREA)
  • Packages (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
DK95900667T 1993-11-08 1994-10-28 Flerlags, tovejsorienteret varmekrympelig film DK0728071T3 (da)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT93MI002370A IT1266781B1 (it) 1993-11-08 1993-11-08 Pellicole multistrato orientate biassialmente e termoretraibili, procedimento per produrle e loro uso per confezionare prodotti
PCT/EP1994/003589 WO1995013187A1 (en) 1993-11-08 1994-10-28 Multilayered, bioriented, heat shrinkable film

Publications (1)

Publication Number Publication Date
DK0728071T3 true DK0728071T3 (da) 2000-10-02

Family

ID=11367167

Family Applications (1)

Application Number Title Priority Date Filing Date
DK95900667T DK0728071T3 (da) 1993-11-08 1994-10-28 Flerlags, tovejsorienteret varmekrympelig film

Country Status (16)

Country Link
US (2) US6106934A (da)
EP (1) EP0728071B1 (da)
AT (1) ATE193244T1 (da)
AU (1) AU686271B2 (da)
BR (1) BR9408013A (da)
CA (1) CA2175084C (da)
DE (1) DE69424681T2 (da)
DK (1) DK0728071T3 (da)
ES (1) ES2145895T3 (da)
FI (1) FI115126B (da)
GR (1) GR3034128T3 (da)
IT (1) IT1266781B1 (da)
NZ (1) NZ276069A (da)
PT (1) PT728071E (da)
WO (1) WO1995013187A1 (da)
ZA (1) ZA948829B (da)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6777046B1 (en) 1998-07-07 2004-08-17 Curwood, Inc. Puncture resistant, high shrink films, blends, and process
ATE263024T1 (de) 1998-12-18 2004-04-15 Cryovac Inc Verfahren zur herstellung eines hochgradig biaxial verstreckten, wärmeschrumpfbaren, thermoplastischen mehrschichtfilms
US20030039826A1 (en) 2000-03-20 2003-02-27 Sun Edward I. Conformable and die-cuttable biaxially oriented films and labelstocks
KR20020087703A (ko) * 2001-05-16 2002-11-23 케미타운 주식회사 완구제조용 다층 필름
JP2004088619A (ja) * 2002-08-28 2004-03-18 Sony Corp 符号列暗号化方法、装置および暗号解除方法、装置および記録媒体
US7736726B2 (en) 2002-12-17 2010-06-15 Cryovac, Inc. Polymeric film with low blocking and high slip properties
US6833170B1 (en) * 2003-09-29 2004-12-21 Frito-Lay North America, Inc. Pucker resistant film and package
KR20070041439A (ko) * 2004-05-18 2007-04-18 군제 가부시키가이샤 다층 열수축성 필름 및 포장전지
PT103380B (pt) * 2005-11-09 2007-09-13 Univ Do Minho Linha de extrusão laboratorial para a produção de filme tubular convencional e biorientado, com comutação simples entre as duas técnicas
EA201892621A1 (ru) 2016-06-03 2019-06-28 Бореалис Аг Многослойная структура

Family Cites Families (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1234374B (de) * 1961-03-21 1967-02-16 Brueckner Trocknerbau Inh Gern Vorrichtung zum biaxialen Recken einer Materialbahn in Laengs- und Querrichtung
DE1221786B (de) * 1961-12-07 1966-07-28 Brueckner Trocknerbau Inh Gern Vorrichtung zum Recken einer Folienbahn aus thermoplastischem Kunststoff in Laengsrichtung
US4020141A (en) * 1974-06-13 1977-04-26 E. I. Du Pont De Nemours And Company Method of making heat-sealable, heat-shrinkable, biaxially oriented polyester film
CA1174423A (en) * 1981-04-23 1984-09-18 Ralph C. Golike Shrink films of ethylene/alpha-olefin copolymers
US4597920A (en) * 1981-04-23 1986-07-01 E. I. Du Pont De Nemours And Company Shrink films of ethylene/α-olefin copolymers
US4532189A (en) * 1982-02-19 1985-07-30 W. R. Grace & Co., Cryovac Div. Linear polyethylene shrink films
US4551380A (en) * 1984-05-10 1985-11-05 W. R. Grace & Co., Cryovac Div. Oriented heat-sealable multilayer packaging film
US4514465A (en) * 1984-05-30 1985-04-30 W. R. Grace & Co., Cryovac Div. Storm window film comprising at least five layers
US4643943A (en) * 1984-05-30 1987-02-17 W. R. Grace & Co., Cryovac Div. Multi-layer polyolefin shrink film
DE3433701A1 (de) * 1984-09-13 1986-03-20 Brückner-Apparatebau GmbH, 6120 Erbach Verfahren und vorrichtung zum dehnen von schlauchware
JP2570297B2 (ja) * 1986-06-23 1997-01-08 大日本インキ化学工業株式会社 二軸延伸複合スチレン系樹脂シ−ト
US4797235A (en) * 1987-04-16 1989-01-10 W. R. Grace & Co. Process for enhanced orientation of polymeric films
FR2623744B1 (fr) * 1987-11-30 1990-02-02 Kaysersberg Sa Procede de fabrication d'une pellicule thermoplastique thermore tractable par etirages successifs
GB8914703D0 (en) * 1989-06-27 1989-08-16 Dow Europ Sa Bioriented film
JP2904904B2 (ja) * 1989-10-09 1999-06-14 株式会社興人 ポリエチレン系ストレッチシュリンクフィルム及びその製造方法
US5272236A (en) * 1991-10-15 1993-12-21 The Dow Chemical Company Elastic substantially linear olefin polymers
CA2067459C (en) * 1991-05-14 2001-08-28 Ray E. Patrick Produce packaging film
US5677383A (en) * 1991-10-15 1997-10-14 The Dow Chemical Company Fabricated articles made from ethylene polymer blends
US5414040A (en) * 1992-09-15 1995-05-09 The Dow Chemical Company Formulated ethylene/α-olefin elastomeric compounds
US5482771A (en) * 1992-09-18 1996-01-09 W. R. Grace & Co.-Conn. Moisutre barrier film

Also Published As

Publication number Publication date
US6106934A (en) 2000-08-22
EP0728071B1 (en) 2000-05-24
CA2175084C (en) 2003-07-08
BR9408013A (pt) 1996-12-17
FI961945A (fi) 1996-05-08
CA2175084A1 (en) 1995-05-18
ZA948829B (en) 1995-07-14
NZ276069A (en) 1997-12-19
ES2145895T3 (es) 2000-07-16
AU8140194A (en) 1995-05-29
GR3034128T3 (en) 2000-11-30
ATE193244T1 (de) 2000-06-15
ITMI932370A1 (it) 1995-05-08
DE69424681D1 (de) 2000-06-29
DE69424681T2 (de) 2000-09-28
FI115126B (fi) 2005-03-15
FI961945A0 (fi) 1996-05-08
IT1266781B1 (it) 1997-01-21
US6197244B1 (en) 2001-03-06
PT728071E (pt) 2000-11-30
WO1995013187A1 (en) 1995-05-18
AU686271B2 (en) 1998-02-05
EP0728071A1 (en) 1996-08-28
ITMI932370A0 (it) 1993-11-08

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