DE3481979D1 - Roehrenfoermiger mehrschichtiger coextrudierter film. - Google Patents

Roehrenfoermiger mehrschichtiger coextrudierter film.

Info

Publication number
DE3481979D1
DE3481979D1 DE8484114991T DE3481979T DE3481979D1 DE 3481979 D1 DE3481979 D1 DE 3481979D1 DE 8484114991 T DE8484114991 T DE 8484114991T DE 3481979 T DE3481979 T DE 3481979T DE 3481979 D1 DE3481979 D1 DE 3481979D1
Authority
DE
Germany
Prior art keywords
coextruded film
layer coextruded
tubular multi
tubular
layer
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.)
Expired - Fee Related
Application number
DE8484114991T
Other languages
German (de)
English (en)
Inventor
Masakatsu Kimura
Osamu Nakamura Osamu Nakamura
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.)
Idemitsu Petrochemical Co Ltd
Original Assignee
Idemitsu Petrochemical Co 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
Application filed by Idemitsu Petrochemical Co Ltd filed Critical Idemitsu Petrochemical Co Ltd
Application granted granted Critical
Publication of DE3481979D1 publication Critical patent/DE3481979D1/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • 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
    • B32B27/32—Layered products comprising a layer of synthetic resin comprising polyolefins
    • 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
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
    • B29C48/09—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels
    • B29C48/10—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels flexible, e.g. blown foils
    • 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
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/14—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the particular extruding conditions, e.g. in a modified atmosphere or by using vibration
    • B29C48/147—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the particular extruding conditions, e.g. in a modified atmosphere or by using vibration after the die nozzle
    • B29C48/1472—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the particular extruding conditions, e.g. in a modified atmosphere or by using vibration after the die nozzle at the die nozzle exit zone
    • 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
    • B32B27/322—Layered products comprising a layer of synthetic resin comprising polyolefins comprising halogenated polyolefins, e.g. PTFE
    • 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
    • C08L23/10—Homopolymers or copolymers of propene
    • 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
    • C08L23/10—Homopolymers or copolymers of propene
    • C08L23/12—Polypropene
    • 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
    • B29C2791/00—Shaping characteristics in general
    • B29C2791/004—Shaping under special conditions
    • B29C2791/007—Using fluid under 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
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/70—Other properties
    • B32B2307/72—Density
    • 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
    • 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
    • C08L23/04—Homopolymers or copolymers of ethene
    • C08L23/08—Copolymers of ethene
    • C08L23/0807—Copolymers of ethene with unsaturated hydrocarbons only containing four or more carbon atoms
    • C08L23/0815—Copolymers of ethene with unsaturated hydrocarbons only containing four or more carbon atoms with aliphatic 1-olefins containing one carbon-to-carbon double bond
    • 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
    • C08L23/16—Ethene-propene or ethene-propene-diene copolymers
    • 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.]
    • Y10T428/1334—Nonself-supporting tubular film or bag [e.g., pouch, envelope, packet, 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]
    • Y10T428/31855—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)
  • Mechanical Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Laminated Bodies (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
DE8484114991T 1983-12-12 1984-12-08 Roehrenfoermiger mehrschichtiger coextrudierter film. Expired - Fee Related DE3481979D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP58232688A JPS60125622A (ja) 1983-12-12 1983-12-12 共押出多層フイルム

Publications (1)

Publication Number Publication Date
DE3481979D1 true DE3481979D1 (de) 1990-05-23

Family

ID=16943226

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8484114991T Expired - Fee Related DE3481979D1 (de) 1983-12-12 1984-12-08 Roehrenfoermiger mehrschichtiger coextrudierter film.

Country Status (4)

Country Link
US (1) US4643928A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
EP (1) EP0144999B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JP (1) JPS60125622A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DE (1) DE3481979D1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Families Citing this family (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4605576B1 (en) * 1984-10-22 1999-08-24 Owens Brockway Plastic Prod Multilayer plastic article
US4884839A (en) * 1985-10-04 1989-12-05 Keiswetter Paul C Co-extruded temporary seat cover for new vehicles
EP0221726A3 (en) * 1985-10-28 1988-09-21 Mobil Oil Corporation Laminar thermoplastic film having a heat sealable surface
GB8613163D0 (en) * 1986-05-30 1986-07-02 Exxon Chemical Patents Inc Sealable films
US4863784C1 (en) * 1987-05-28 2001-05-01 Bt Commercial Corp Multilayer film containing very low density polyethylene
US4988465A (en) * 1987-05-28 1991-01-29 Viskase Corporation Manufacture of multilayer film containing very low density polyethylene
JP2675075B2 (ja) * 1988-06-10 1997-11-12 株式会社新素材総合研究所 内容物入り容器
JPH0675955B2 (ja) * 1988-07-30 1994-09-28 出光石油化学株式会社 樹脂積層体
US5346764A (en) * 1988-07-30 1994-09-13 Idemitsu Petrochemical Co., Ltd. Resin laminates
JPH02276947A (ja) * 1989-04-18 1990-11-13 Nireco Corp 光拡散反射測定用プローブおよび支持装置
EP0478728A4 (en) * 1990-04-23 1994-11-30 Dowbrands Inc Free edge-sealed film articles and process of making same
TW221700B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1990-11-01 1994-03-11 Himont Inc
US5206075A (en) * 1991-12-19 1993-04-27 Exxon Chemical Patents Inc. Sealable polyolefin films containing very low density ethylene copolymers
TW294632B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1993-02-05 1997-01-01 Otsuka Pharma Factory Inc
DE4410876A1 (de) * 1994-03-29 1995-10-05 Fresenius Ag Medizinischer Mehrkammerbeutel und Verfahren zu seiner Herstellung
FI104887B (fi) * 1994-06-16 2000-04-28 Enso Gutzeit Oy Tuotepakkauksen kansi ja menetelmä sen valmistamiseksi
US5736260A (en) * 1994-10-06 1998-04-07 Sumitomo Chemical Company, Limited Multilayer packaging film
WO2001053079A1 (en) * 2000-01-24 2001-07-26 The Dow Chemical Company Multilayer blown film structure with polypropylene non-sealant layer and polyethylene sealant layer
EP2422829B1 (en) * 2001-08-14 2013-03-06 Applied Medical Resources Corporation Surgical access sealing apparatus
JP2005067735A (ja) * 2003-08-05 2005-03-17 Dainippon Printing Co Ltd 切り餅包装用フィルム
CA2533204A1 (en) 2003-08-06 2005-02-17 Applied Medical Resources Corporation Surgical device with tack-free gel and method of manufacture
EP2172510A1 (en) * 2008-10-01 2010-04-07 Dow Global Technologies Inc. Barrier films and method for making and using the same
BRPI0822842A2 (pt) * 2008-10-17 2015-06-23 Dow Global Technologies Llc Composição de estrutura de película e papelão tendo uma estrutura de película laminada com o mesmo
US20120244327A1 (en) * 2009-12-18 2012-09-27 Dow Global Technologies Llc Films and articles prepared from the same
ES2462544T3 (es) * 2011-08-03 2014-05-23 Borealis Ag Película
AU2021325997A1 (en) 2020-08-14 2023-03-16 Superior Plastics Extrusion Co. Inc. Dba Impact Plastics Barrier-enhanced polymeric film structures, methods of preparation, and articles thereof

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3937758A (en) * 1973-03-26 1976-02-10 Dart Industries Inc. Process for the production of high impact compositions of polyethylene and polypropylene block copolymers
JPS5312971A (en) * 1976-07-22 1978-02-06 Honshu Paper Co Ltd Polypropylene composite film having antistatic and low temperature heat seal property and its production
CA1157617A (en) * 1977-12-14 1983-11-29 Milton L. Weiner Oriented polypropylene with linear low density polyethylene copolymer coating
EP0095299B1 (en) * 1982-05-20 1987-09-09 Stiksack STS S.A. Plastics film and bags and sacks therefrom
US4434264A (en) * 1983-03-22 1984-02-28 El Paso Polyolefins Company High clarity propylene polymer compositions of improved impact strength

Also Published As

Publication number Publication date
EP0144999B1 (en) 1990-04-18
EP0144999A2 (en) 1985-06-19
JPS636344B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1988-02-09
EP0144999A3 (en) 1986-07-23
US4643928A (en) 1987-02-17
JPS60125622A (ja) 1985-07-04

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee