BR8201504A - Filme de camada multipla e processo para a producao de um filme de camada multipla - Google Patents

Filme de camada multipla e processo para a producao de um filme de camada multipla

Info

Publication number: BR8201504A
Authority: BR; Brazil
Prior art keywords: layer film; multiple layer; production; layer; heat
Prior art date: 1981-03-19

Application number

BR8201504A

Other languages

English (en)

Inventor

Robert Clive Lansbury

Douglas Lawrence Mitchell

Original Assignee

Ici Plc

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.)

1981-03-19

Filing date

1982-03-18

Publication date

1983-02-01

Family has litigation

First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=10520519&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=BR8201504(A) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.

1982-03-18 Application filed by Ici Plc filed Critical Ici Plc

1983-02-01 Publication of BR8201504A publication Critical patent/BR8201504A/pt

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
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/32—Layered products comprising a layer of synthetic resin comprising polyolefins
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J123/00—Adhesives based on homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Adhesives based on derivatives of such polymers
- C09J123/02—Adhesives based on homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Adhesives based on derivatives of such polymers not modified by chemical after-treatment
- C09J123/10—Homopolymers or copolymers of propene
- C09J123/14—Copolymers of propene
- C09J123/142—Copolymers of propene at least partially crystalline copolymers of propene with other olefins
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J7/00—Adhesives in the form of films or foils
- C09J7/20—Adhesives in the form of films or foils characterised by their carriers
- C09J7/22—Plastics; Metallised plastics
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J7/00—Adhesives in the form of films or foils
- C09J7/30—Adhesives in the form of films or foils characterised by the adhesive composition
- C09J7/35—Heat-activated
- 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
- B29K2995/00—Properties of moulding materials, reinforcements, fillers, preformed parts or moulds
- B29K2995/0018—Properties of moulding materials, reinforcements, fillers, preformed parts or moulds having particular optical properties, e.g. fluorescent or phosphorescent
- B29K2995/0022—Bright, glossy or 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
- B32B2307/30—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
- B32B2307/50—Properties of the layers or laminate having particular mechanical properties
- B32B2307/514—Oriented
- 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
- B32B2323/00—Polyalkenes
- B32B2323/04—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
- 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
- Y10T428/28—Web or sheet containing structurally defined element or component and having an adhesive outermost layer
- Y10T428/2813—Heat or solvent activated or sealable
- Y10T428/2817—Heat sealable
- Y10T428/2826—Synthetic resin or 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

Landscapes

Chemical & Material Sciences (AREA)
Organic Chemistry (AREA)
Crystallography & Structural Chemistry (AREA)
Laminated Bodies (AREA)
Wrappers (AREA)
Extrusion Moulding Of Plastics Or The Like (AREA)

BR8201504A 1981-03-19 1982-03-18 Filme de camada multipla e processo para a producao de um filme de camada multipla BR8201504A (pt)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
GB8108702		1981-03-19

Publications (1)

Publication Number	Publication Date
BR8201504A true BR8201504A (pt)	1983-02-01

Family

ID=10520519

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
BR8201504A BR8201504A (pt)	1981-03-19	1982-03-18	Filme de camada multipla e processo para a producao de um filme de camada multipla

Country Status (10)

Country	Link
US (1)	US4384024A (pt)
EP (1)	EP0061238B1 (pt)
JP (1)	JPS57210852A (pt)
AT (1)	ATE13643T1 (pt)
AU (1)	AU550566B2 (pt)
BR (1)	BR8201504A (pt)
CA (1)	CA1169216A (pt)
DE (1)	DE3263979D1 (pt)
NZ (1)	NZ199881A (pt)
ZA (1)	ZA821420B (pt)

Families Citing this family (44)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4439493A (en) *	1983-02-04	1984-03-27	Mobil Oil Corporation	Multilayer heat sealable oriented packaging film and method of forming same
JPS59212263A (ja) *	1983-05-18	1984-12-01	チッソ株式会社	ポリプロピレン系複合延伸フイルム
US4707414A (en) *	1984-04-09	1987-11-17	General Dynamics, Pomona Division	Electrostatic-free package
JPS6124449A (ja) *	1984-07-13	1986-02-03	住友化学工業株式会社	延伸複合ポリプロピレンフイルム
US4567089A (en) *	1984-07-23	1986-01-28	Mitsubishi Petrochemical Co., Ltd.	Thermoforming propylene polymer laminated sheet
DE3431364A1 (de) *	1984-08-25	1986-02-27	Alkor GmbH Kunststoffe, 8000 München	Heisssiegelbare, flexible verbundfolie sowie verfahren zu deren herstellung
US5372669A (en) *	1985-02-05	1994-12-13	Avery Dennison Corporation	Composite facestocks and liners
US5034078A (en) *	1985-05-08	1991-07-23	Exxon Chemical Patents Inc.	Method of making an elastomeric film
GB8613161D0 (en) *	1986-05-30	1986-07-02	Exxon Chemical Patents Inc	Sealable films
EP0336024A1 (en) *	1988-03-29	1989-10-11	Mobil Oil Corporation	Heat sealable mutilayer film and method of making same
US4741957A (en) *	1986-09-02	1988-05-03	Mobil Oil Corporation	Heat sealable multilayer film and method of making same
CA2003882C (en)	1988-12-19	1997-01-07	Edwin Rogers Smith	Heat shrinkable very low density polyethylene terpolymer film
DE3940173A1 (de) *	1989-12-05	1991-06-06	Hoechst Ag	Beidseitig siegelbare, biaxial orientierte polyolefin-mehrschichtfolie, ihre herstellung und ihre verwendung
DE3940197A1 (de) *	1989-12-05	1991-06-06	Hoechst Ag	Beidseitig siegelbare, biaxial orientierte polyolefin-mehrschichtfolie, ihre herstellung und ihre vewendung
DE4038935A1 (de) *	1990-12-06	1992-06-11	Hoechst Ag	Beidseitig siegelbare, biaxial orientierte polyolefinmehrschichtfolie mit erhoehtem schrumpf und verbesserten barriereeigenschaften
TW203624B (pt) *	1991-02-28	1993-04-11	Sumitomo Bakelite Co
TW212771B (pt) *	1991-09-20	1993-09-11	Ube Reikisen Kk
EP0629227B1 (en) *	1992-03-03	1996-09-11	Exxon Chemical Patents Inc.	Sterilizable heat-sealed containers of high ethylene random copolymer films and processes
ZA9510604B (en) *	1994-12-20	1996-07-03	Kimberly Clark Co	Low gauge films and film/nonwoven laminates
TW330217B (en)	1994-12-20	1998-04-21	Kimberly Clark Co	Low gauge films and film/nonwoven laminates
US6309736B1 (en)	1994-12-20	2001-10-30	Kimberly-Clark Worldwide, Inc.	Low gauge films and film/nonwoven laminates
US5922471A (en) *	1996-03-04	1999-07-13	Union Carbide Chemicals & Plastics Technology Corporation	Metallizable polypropylene random copolymer compositions
US5879341A (en)	1996-03-29	1999-03-09	Kimberly-Clark Worldwide, Inc.	Absorbent article having a breathability gradient
US5843056A (en) *	1996-06-21	1998-12-01	Kimberly-Clark Worldwide, Inc.	Absorbent article having a composite breathable backsheet
US5888648A (en) *	1996-09-12	1999-03-30	Mobil Oil Corporation	Multi-layer hermetically sealable film and method of making same
US6689857B1 (en)	1996-10-03	2004-02-10	Exxonmobil Oil Corporation	High density polyethylene film with high biaxial orientation
US6015764A (en) *	1996-12-27	2000-01-18	Kimberly-Clark Worldwide, Inc.	Microporous elastomeric film/nonwoven breathable laminate and method for making the same
US6037281A (en) *	1996-12-27	2000-03-14	Kimberly-Clark Worldwide, Inc.	Cloth-like, liquid-impervious, breathable composite barrier fabric
US6111163A (en) *	1996-12-27	2000-08-29	Kimberly-Clark Worldwide, Inc.	Elastomeric film and method for making the same
US5914184A (en) *	1996-12-30	1999-06-22	Kimberly-Clark Worldwide, Inc.	Breathable laminate including filled film and continuous film
US6238767B1 (en)	1997-09-15	2001-05-29	Kimberly-Clark Worldwide, Inc.	Laminate having improved barrier properties
US6045900A (en) *	1997-09-15	2000-04-04	Kimberly-Clark Worldwide, Inc.	Breathable filled film laminate
US6909028B1 (en)	1997-09-15	2005-06-21	Kimberly-Clark Worldwide, Inc.	Stable breathable elastic garments
JP2002530225A (ja) *	1998-11-23	2002-09-17	フレジニウス・カビ・アーベー	医療用容器に関する改良
CA2271973C (en) *	1999-05-14	2006-06-20	Glopak Inc.	High-speed pouch forming, sealing and filling machine, method of operation, and multi-layer film therefore
US20030039826A1 (en) *	2000-03-20	2003-02-27	Sun Edward I.	Conformable and die-cuttable biaxially oriented films and labelstocks
US7405009B2 (en) *	2003-01-24	2008-07-29	H.B. Fuller Licensing & Financing, Inc.	Moisture vapor permeable film including ethylene copolymer and articles including the same
US7147930B2 (en) *	2003-12-16	2006-12-12	Curwood, Inc.	Heat-shrinkable packaging films with improved sealing properties and articles made thereof
US7879439B2 (en) *	2004-03-18	2011-02-01	Toyo Boseki Kabushiki Kaisha	Polypropylene laminate film, and package comprising the same
CN100542803C (zh) *	2004-03-26	2009-09-23	东洋纺织株式会社	热封性聚丙烯系树脂叠层薄膜及包装体
US7722794B2 (en) *	2005-02-08	2010-05-25	Toray Plastics (America), Inc.	Method for producing a sealable biaxially oriented polypropylene film for packaging
EP1878567A4 (en) *	2005-04-28	2009-04-08	Toyo Boseki	MULTI-LAYER THERMOSCELLABLE POLYPROPYLENE RESIN FILM AND PACKAGING MATERIAL
EP2627492B1 (en)	2010-10-15	2018-11-21	ExxonMobil Chemical Patents Inc.	Method for forming blends of polyolefin and resin modifier
BE1021958B1 (nl) *	2014-02-18	2016-01-29	BPI Formipac	Folie en werkwijze voor verpakking van een samendrukbaar produkt in een samengedrukte toestand en verpakt samendrukbaar produkt

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB1145199A (en)	1966-06-13	1969-03-12	Nat Distillers Chem Corp	Heat-sealable oriented polypropylene film laminate
JPS4914343B1 (pt) *	1970-06-02	1974-04-06
JPS4914343A (pt) *	1972-05-22	1974-02-07
GB1440317A (en) *	1972-10-17	1976-06-23	British Cellophane Ltd	Heat-sealable plastics films
CA1103140A (en)	1976-10-22	1981-06-16	Crown Zellerbach Corporation	Trilaminate film for forming sideweld bags
IT1067253B (it) *	1976-12-20	1985-03-16	Moplefan Spa	Accoppiati per imballaggio a base di pellicole poliolefiniche
JPS6031673B2 (ja) *	1977-04-15	1985-07-23	東レ株式会社	三層積層ポリプロピレンフイルム
CA1157617A (en) *	1977-12-14	1983-11-29	Milton L. Weiner	Oriented polypropylene with linear low density polyethylene copolymer coating
DE2827764C2 (de) *	1978-06-24	1988-01-21	Hoechst Ag, 6230 Frankfurt	Verfahren zur Herstellung eines für siegelfähige Folien geeigneten Polypropylens
JPS5514223A (en) *	1978-07-14	1980-01-31	Sumitomo Chemical Co	Extended compound polypropylene film
GB2030927A (en) *	1978-09-19	1980-04-16	British Cellophane Ltd	Heta-selable antistatic polypropylene films
IT1162495B (it) *	1978-12-28	1987-04-01	Sumitomo Chemical Co	Prodimenzo per produrre copolimeri di propilene
DE2912179A1 (de) *	1979-03-30	1980-10-09	Mitsubishi Petrochemical Co	Polymerisat und heissiegelbare biaxial gereckte verbundfolie
GB2055855A (en) *	1979-08-07	1981-03-11	Ici Ltd	Heat-treating polyolefin films

1981
- 1981-05-19 US US06/265,220 patent/US4384024A/en not_active Expired - Fee Related
1982
- 1982-02-23 AT AT82300934T patent/ATE13643T1/de not_active IP Right Cessation
- 1982-02-23 DE DE8282300934T patent/DE3263979D1/de not_active Expired
- 1982-02-23 EP EP82300934A patent/EP0061238B1/en not_active Expired
- 1982-03-02 NZ NZ199881A patent/NZ199881A/en unknown
- 1982-03-03 ZA ZA821420A patent/ZA821420B/xx unknown
- 1982-03-04 AU AU81139/82A patent/AU550566B2/en not_active Ceased
- 1982-03-10 CA CA000398059A patent/CA1169216A/en not_active Expired
- 1982-03-18 BR BR8201504A patent/BR8201504A/pt unknown
- 1982-03-19 JP JP57044423A patent/JPS57210852A/ja active Pending

Also Published As

Publication number	Publication date
EP0061238A1 (en)	1982-09-29
EP0061238B1 (en)	1985-06-05
ATE13643T1 (de)	1985-06-15
US4384024A (en)	1983-05-17
AU550566B2 (en)	1986-03-27
ZA821420B (en)	1983-01-26
JPS57210852A (en)	1982-12-24
AU8113982A (en)	1983-09-22
CA1169216A (en)	1984-06-19
DE3263979D1 (en)	1985-07-11
NZ199881A (en)	1985-03-20

Publication	Publication Date	Title
BR8201504A (pt)	1983-02-01	Filme de camada multipla e processo para a producao de um filme de camada multipla
ES547318A0 (es)	1986-09-01	Un procedimiento para producir una estructura de pelicula de polipropileno, de capas multiples y orientada.
AR229940A1 (es)	1984-01-31	Un procedimiento mejorado para el recubrimiento por extrusion de un sustrato con una composicion de polietileno de baja densidad a alta presion
ES533499A0 (es)	1986-02-01	Un metodo de producir una estructura de pelicula que contiene poliolefina y un copolimero al azar de etileno y propileno
ES2011285B3 (es)	1990-01-01	Pelicula compound que se puede tratar con calor de poliolefines
KR930007635A (ko)	1993-05-20	금속화된 방향성 필름의 조합
SE7416035L (pt)	1975-09-30
BR7905957A (pt)	1980-06-17	Pelicula de polipropileno antistatica orientada selavel termicamente e processo para sua fabricacao
BR8602089A (pt)	1987-01-06	Folha de varias camadas e emprego
AU3537984A (en)	1985-06-06	Semi-luxury edible article
ES8402327A1 (es)	1984-01-16	Procedimiento para la produccion de una pelicula de poli (tereftalato de etileno) revestida bialxialmente orientada.
ES516612A0 (es)	1983-10-01	"un procedimiento para revestir un sustrato con una composicion de revestimiento contra incrustaciones marinas".
ES2031903T3 (es)	1993-01-01	Composicion de revestimiento basada en agua y pelicula polimera revestida con ella.
ES2041765T3 (es)	1993-12-01	Soluciones de bano y procedimiento para eliminar capas de plomo/estano, plomo o estano de superficies de cobre o niquel.
ES486797A1 (es)	1980-06-16	Un procedimiento para preparar una pelicula termoplastica soldable por calor
IT8019230A0 (it)	1980-01-16	Copolimeri di propilene e di butene-1 e loro applicazioni.
GR3004942T3 (pt)	1993-04-28
JPS5777533A (en)	1982-05-14	Heat-shrinkable film
JPS5321246A (en)	1978-02-27	Expoliation preventive polyolefin film
ES2165376T3 (es)	2002-03-16	Procedimiento de moldeado de polipropileno sindiotactico.
ES8401888A1 (es)	1984-01-01	Procedimiento para la fabricacion de complejos multicapa especialmente para el cierre de embalajes de plastico.
ES2117622T3 (es)	1998-08-16	Peliculas polimeras.
JPS51136737A (en)	1976-11-26	Adherent polyolefin composition
AR228480A1 (es)	1983-03-15	Pelicula de capas multiples que comprende una capa de sustrato de poliolefina que tiene sobre por lo menos una superficie de la misma,una capa termosellable de copolimero de propileno-etileno
JPS5780027A (en)	1982-05-19	Heat-shrinkable film