ES2181564B1 - THERMO-RETRACTABLE FILM. - Google Patents
THERMO-RETRACTABLE FILM.Info
- Publication number
- ES2181564B1 ES2181564B1 ES200003120A ES200003120A ES2181564B1 ES 2181564 B1 ES2181564 B1 ES 2181564B1 ES 200003120 A ES200003120 A ES 200003120A ES 200003120 A ES200003120 A ES 200003120A ES 2181564 B1 ES2181564 B1 ES 2181564B1
- Authority
- ES
- Spain
- Prior art keywords
- bilayer
- layer
- total weight
- heat shrink
- shrink film
- 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
Links
Landscapes
- Laminated Bodies (AREA)
Abstract
Film termo-retráctil, siendo del tipo de film termo-retráctil utilizado en la industrial del envase y embalaje, que presenta una estructura (1) bicapa definida por una primera capa (2) de polietileno lineal, copolímeros de etileno y comonómeros de alfa- olefina, con densidad de 0,87 a 0,94 g/cc y con al menos el 75% de su peso total y una segunda capa (3) de un terpolímero propileno-etileno-buteno que representa un peso inferior al 25% del peso total de la estructura (1) bicapa, fabricada mediante cabezal de coextrusión plana, con un reticulado parcial (4) de su primera capa (2) de polietileno lineal, copolímeros de etileno y comonómeros de alfa-olefina, cuya estructura (1) bicapa, una vez reticulada, es biorientada en un proceso estirado simultáneo o secuencial.Heat shrink film, being type of heat shrink film used in the industrial packaging, which has a structure (1) bilayer defined by a first layer (2) of linear polyethylene, ethylene copolymers and alpha olefin comonomers, with density from 0.87 to 0.94 g / cc and with at least 75% of its total weight and a second layer (3) of a terpolymer propylene-ethylene-butene which represents a weight less than 25% of the total weight of the structure (1) bilayer, manufactured using a flat coextrusion head, with a partial crosslinking (4) of its first layer (2) of polyethylene linear, ethylene copolymers and comonomers of alpha-olefin, whose structure (1) bilayer, once crosslinked, is bioriented in a simultaneous stretched process or sequential.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ES200003120A ES2181564B1 (en) | 2000-12-27 | 2000-12-27 | THERMO-RETRACTABLE FILM. |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ES200003120A ES2181564B1 (en) | 2000-12-27 | 2000-12-27 | THERMO-RETRACTABLE FILM. |
Publications (2)
Publication Number | Publication Date |
---|---|
ES2181564A1 ES2181564A1 (en) | 2003-02-16 |
ES2181564B1 true ES2181564B1 (en) | 2004-06-16 |
Family
ID=8496167
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES200003120A Expired - Fee Related ES2181564B1 (en) | 2000-12-27 | 2000-12-27 | THERMO-RETRACTABLE FILM. |
Country Status (1)
Country | Link |
---|---|
ES (1) | ES2181564B1 (en) |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB8914703D0 (en) * | 1989-06-27 | 1989-08-16 | Dow Europ Sa | Bioriented film |
US5614315A (en) * | 1995-01-20 | 1997-03-25 | Okura Industrial Co., Ltd. | Heat-shrinkable multi-layer polyolefin films |
DE69834551T2 (en) * | 1997-02-25 | 2007-05-03 | Exxonmobil Chemical Patents Inc., Baytown | COEXTRUDED TRACKED FILMS |
-
2000
- 2000-12-27 ES ES200003120A patent/ES2181564B1/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
ES2181564A1 (en) | 2003-02-16 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
EC2A | Search report published |
Date of ref document: 20030216 Kind code of ref document: A1 |
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FG2A | Definitive protection |
Ref document number: 2181564B1 Country of ref document: ES |
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FD1A | Patent lapsed |
Effective date: 20100311 |