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
Links
- 238000004519 manufacturing process Methods 0.000 title abstract 2
- 238000010438 heat treatment Methods 0.000 abstract 2
- 238000002844 melting Methods 0.000 abstract 2
- 230000008018 melting Effects 0.000 abstract 2
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 abstract 1
- 239000005977 Ethylene Substances 0.000 abstract 1
- 238000005266 casting Methods 0.000 abstract 1
- 238000001816 cooling Methods 0.000 abstract 1
- 229920001577 copolymer Polymers 0.000 abstract 1
- 229920005684 linear copolymer Polymers 0.000 abstract 1
- 238000000034 method Methods 0.000 abstract 1
- 238000004806 packaging method and process Methods 0.000 abstract 1
- 238000010791 quenching Methods 0.000 abstract 1
- 230000000171 quenching effect Effects 0.000 abstract 1
- 238000003303 reheating Methods 0.000 abstract 1
- 229920001169 thermoplastic Polymers 0.000 abstract 1
- 239000004416 thermosoftening plastic Substances 0.000 abstract 1
- 239000004711 α-olefin Substances 0.000 abstract 1
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)
- Materials Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (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.
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)
| 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)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA632346A (en) * | 1958-11-05 | 1961-12-05 | Kalle Aktiengesellschaft | Process for the production of shrinkable films of polyolefines or copolymers thereof |
| 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 |
-
1987
- 1987-11-30 FR FR8716545A patent/FR2623744B1/fr not_active Expired - Lifetime
-
1988
- 1988-11-30 DE DE88403007T patent/DE3884918T2/de not_active Expired - Fee Related
- 1988-11-30 ES ES88403007T patent/ES2045168T3/es not_active Expired - Lifetime
- 1988-11-30 EP EP88403007A patent/EP0319401B1/fr not_active Expired - Lifetime
- 1988-11-30 AT AT88403007T patent/ATE95754T1/de not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| FR2623744B1 (fr) | 1990-02-02 |
| EP0319401B1 (fr) | 1993-10-13 |
| DE3884918T2 (de) | 1994-02-17 |
| ATE95754T1 (de) | 1993-10-15 |
| EP0319401A2 (fr) | 1989-06-07 |
| EP0319401A3 (fr) | 1991-09-25 |
| FR2623744A1 (fr) | 1989-06-02 |
| DE3884918D1 (de) | 1993-11-18 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| FG2A | Definitive protection |
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