ES2045168T3 - Procedimiento de fabricacion de una pelicula retractable. - Google Patents

Procedimiento de fabricacion de una pelicula retractable.

Info

Publication number
ES2045168T3
ES2045168T3 ES88403007T ES88403007T ES2045168T3 ES 2045168 T3 ES2045168 T3 ES 2045168T3 ES 88403007 T ES88403007 T ES 88403007T ES 88403007 T ES88403007 T ES 88403007T ES 2045168 T3 ES2045168 T3 ES 2045168T3
Authority
ES
Spain
Prior art keywords
film
temperature
manufacturing procedure
initial dimension
copolymer
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 - Lifetime
Application number
ES88403007T
Other languages
English (en)
Inventor
Jean Philippe Coste
Robert Diemunsch
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.)
Bollore Technologies SA
Original Assignee
Bollore Technologies SA
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 Bollore Technologies SA filed Critical Bollore Technologies SA
Application granted granted Critical
Publication of ES2045168T3 publication Critical patent/ES2045168T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • 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
    • B29C55/005—Shaping by stretching, e.g. drawing through a die; Apparatus therefor characterised by the choice of materials
    • 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
    • B29C55/10—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets multiaxial
    • B29C55/12—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets multiaxial biaxial
    • B29C55/14—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets multiaxial biaxial successively
    • B29C55/143—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets multiaxial biaxial successively firstly parallel to the direction of feed and then transversely thereto
    • 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
    • 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
    • B29K2995/0037—Other properties
    • B29K2995/0049—Heat shrinkable
    • 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
    • C08J2323/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
    • C08J2323/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
    • C08J2323/04—Homopolymers or copolymers of ethene
    • C08J2323/08—Copolymers of ethene

Landscapes

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

Abstract

EL PROCEDIMIENTO DE FABRICACION DE UNA PELICULA TERMOPLASTICA, QUE SE CONTRAE POR EL CALOR, CONSISTE EN CALENTAR POR ENCIMA DE SU TEMPERATURA DE FUSION Y EXTRUIR A TRAVES DE UNA HILERA PLANA UN COPOLIMERO LINEAL DE ETILENO CON UN COMONOMERO DE (ALFA)-OLEFINA C4-C8, DE DENSIDAD COMPRENDIDA ENTRE 0,9 Y 0,94, Y CUYO INDICE DE FLUIDEZ EN ESTADO FUNDIDO ESTA COMPRENDIDO ENTRE 1 Y 7 G/10 MN, PASAR DICHO COPOLIMERO SOBRE UN TAMBOR ENFRIADO A UNA TEMPERATURA DE TEMPLE ELEGIDA EN FUNCION DEL ESPESOR DE LA PELICULA A OBTENER, EN RECALENTARLO HASTA UNA PRIMERA TEMPERATURA, EN ESTIRARLO HASTA POR LO MENOS 3 VECES LA DIMENSION INICIAL DE LA PELICULA NO ESTIRADA, EN CALENTARLO A UNA SEGUNDA TEMPERATURA, SUPERIOR A LA PRIMERA PERO INFERIOR A SU TEMPERATURA DE FUSION, EN ESTIRARLO EN EL SENTIDO PERPENDICULAR, CON AYUDA DE PINZAS, HASTA POR LO MENOS 5 VECES SU DIMENSION INICIAL, Y FINALMENTE ENFRIAR LA PELICULA OBTENIDA A LA TEMPERATURA AMBIENTE. ESTA PELICULA ES SUSCEPTIBLE DE SER APLICADA EN EL CAMPO DELEMBALAJE.
ES88403007T 1987-11-30 1988-11-30 Procedimiento de fabricacion de una pelicula retractable. Expired - Lifetime ES2045168T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8716545A FR2623744B1 (fr) 1987-11-30 1987-11-30 Procede de fabrication d'une pellicule thermoplastique thermore tractable par etirages successifs

Publications (1)

Publication Number Publication Date
ES2045168T3 true ES2045168T3 (es) 1994-01-16

Family

ID=9357286

Family Applications (1)

Application Number Title Priority Date Filing Date
ES88403007T Expired - Lifetime ES2045168T3 (es) 1987-11-30 1988-11-30 Procedimiento de fabricacion de una pelicula retractable.

Country Status (5)

Country Link
EP (1) EP0319401B1 (es)
AT (1) ATE95754T1 (es)
DE (1) DE3884918T2 (es)
ES (1) ES2045168T3 (es)
FR (1) FR2623744B1 (es)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3917652A1 (de) * 1989-05-31 1990-12-06 Hoechst Ag Mehrschichtige transparente polyolefinfolie fuer die schrumpfetikettieranwendung
US5298202A (en) * 1989-07-28 1994-03-29 W. R. Grace & Co.-Conn. Double bubble process for making strong, thin film
CA2048296C (en) * 1990-08-13 2002-09-24 Henry G. Schirmer Blends of polypropylene and ethylene copolymer and films made from the blend
FR2684039A1 (fr) * 1991-11-25 1993-05-28 Bp Chemicals Snc Procede de fabrication d'un film thermiquement retractable.
IT1266781B1 (it) * 1993-11-08 1997-01-21 Grace W R & Co Pellicole multistrato orientate biassialmente e termoretraibili, procedimento per produrle e loro uso per confezionare prodotti
FR2727050A1 (fr) * 1994-11-21 1996-05-24 Bollore Technologies Procede de preparation d'un film ultramince thermoretractable bi-oriente et film ultramince notamment obtenu par ledit procede
US9005501B2 (en) 2011-08-17 2015-04-14 Reifenhaeuser Gmbh & Co. Kg Maschinenfabrik Method and apparatus for producing a film web from thermoplastic material and film produced thereby
US20130206329A1 (en) * 2011-12-21 2013-08-15 Nike, Inc. Golf Ball With Thin Biaxial Film Outer Layer
DE102015006891A1 (de) 2015-06-03 2016-09-01 Reifenhäuser GmbH & Co. KG Maschinenfabrik Anlage zum Herstellen einer Folienbahn sowie Verfahren zum Betreiben einer solchen Anlage
DE102019126219B3 (de) * 2019-09-27 2021-03-11 Reifenhäuser GmbH & Co. KG Maschinenfabrik Verfahren zum Betreiben einer Anlage zum Herstellen einer Folienbahn und Anlage zur Durchführung dieses Verfahrens

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT619656A (es) * 1958-11-05
GB1035887A (en) * 1964-04-15 1966-07-13 Du Pont Improvements relating to films
US4597920A (en) * 1981-04-23 1986-07-01 E. I. Du Pont De Nemours And Company Shrink films of ethylene/α-olefin copolymers
JPS57176127A (en) * 1981-04-24 1982-10-29 Showa Denko Kk Preparation of stretched tape
JPS5890924A (ja) * 1981-11-26 1983-05-30 Mitsubishi Chem Ind Ltd 二軸延伸フイルムの製造方法
JPS6147234A (ja) * 1984-08-13 1986-03-07 Mitsubishi Plastics Ind Ltd 熱収縮性ポリプロピレン系フイルムの製造方法
NL8502191A (nl) * 1985-08-06 1987-03-02 Stamicarbon Werkwijze voor het vervaardigen van vlakfolie.
JPH0613192B2 (ja) * 1986-03-03 1994-02-23 株式会社興人 熱収縮性フィルム

Also Published As

Publication number Publication date
EP0319401A3 (fr) 1991-09-25
ATE95754T1 (de) 1993-10-15
FR2623744A1 (fr) 1989-06-02
EP0319401A2 (fr) 1989-06-07
EP0319401B1 (fr) 1993-10-13
FR2623744B1 (fr) 1990-02-02
DE3884918T2 (de) 1994-02-17
DE3884918D1 (de) 1993-11-18

Similar Documents

Publication Publication Date Title
ES2045168T3 (es) Procedimiento de fabricacion de una pelicula retractable.
CA2044117A1 (en) Method of manufacturing thermoplastic sheet of film
ES554835A0 (es) Procedimiento de fabricacion de laminas de poliolefinas sellable en caliente.
ATE97938T1 (de) Polyolefin-sperrschicht.
ES2111749T3 (es) Procedimiento de fabricacion de laminas plasticas intimamente adheridas a chapas metalicas.
ES2023203B3 (es) Tubos extrusionados de plastico semicristalino que presentan resistencia al choque frio y a la traccion mejorada por un tratamiento termico, y procedimiento de fabricacion de dichos tubos.
FR2753126B1 (fr) Procede de soudage par fusion d'articles en resines difficiles a fondre
SE7513548L (sv) Ror av plastmaterial
DK0678619T3 (da) Bane af et plastmateriale
GB1028945A (en) Manufacture of polypropylene film
BE898897A (fr) Pellicules retrecissables ameliorees en polyethylene lineaire et procede pour les fabriquer
ES458707A1 (es) Un metodo de fabricar un fleje de plastico generalmente rec-tangular que tiene una resistencia mejorada a la abrasion de borde.
DK0484721T3 (da) Fremgangsmåde og indretning til ekstrudering af hulrumsplader i termoplast
ATE25262T1 (de) Film aus thermoplasten.
ES8700138A1 (es) Procedimiento de fabricar articulos por extrusion de un alma de tereftalato de polietileno y de una capa de una materia termoplastica.
KR940013771A (ko) 성형품의 제조방법
JPS56167411A (en) Manufacture of synthetic resin molding
KR900000177A (ko) 플라스틱 연속 성형체의 제조방법 및 그 장치
ES540166A0 (es) Procedimiento de producir pelicula soplada a partir de una composicion polimera a base de polietileno
CA2121748A1 (en) Process to Increase the Resistance to Tearing of a Heat-Resettable Material Web
DE3769298D1 (de) Verfahren zum extrudieren von ultrahochmolekularem polyethylen.
ES2193191T3 (es) Peliculas de polipropileno orientadas biaxialmente.
JPS5696501A (en) Manufacture of cylindrical body
KR910012015A (ko) 개선된 열 수축성 폴리올레핀 필름의 제조방법
JPS648025A (en) Seamless belt

Legal Events

Date Code Title Description
FG2A Definitive protection

Ref document number: 319401

Country of ref document: ES