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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
layer
bilayer
alpha
total weight
heat shrink
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
ES200003120A
Other languages
Spanish (es)
Other versions
ES2181564A1 (en
Inventor
Bernabe Martin Villarrubia
Juan Jose Bona Martinez
Manuel Lopez Quesada
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.)
EXTRUSION DE RESINAS VINILICAS
Extrusion De Resinas Vinilicas Sa
Original Assignee
EXTRUSION DE RESINAS VINILICAS
Extrusion De Resinas Vinilicas 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 EXTRUSION DE RESINAS VINILICAS, Extrusion De Resinas Vinilicas Sa filed Critical EXTRUSION DE RESINAS VINILICAS
Priority to ES200003120A priority Critical patent/ES2181564B1/en
Publication of ES2181564A1 publication Critical patent/ES2181564A1/en
Application granted granted Critical
Publication of ES2181564B1 publication Critical patent/ES2181564B1/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

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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 the type of heat shrink film used in the packaging industry, which has a bilayer structure (1) defined by a first layer (2) of linear polyethylene, ethylene copolymers and alpha- comonomers olefin, with a density of 0.87 to 0.94 g / cc and with at least 75% of its total weight and a second layer (3) of a propylene-ethylene-butene terpolymer representing a weight less than 25% of the total weight of the bilayer structure (1), manufactured by flat coextrusion head, with a partial cross-linking (4) of its first layer (2) of linear polyethylene, ethylene copolymers and alpha-olefin comonomers, whose structure (1) Bilayer, once crosslinked, is bioriented in a simultaneous or sequential stretched process.

ES200003120A 2000-12-27 2000-12-27 THERMO-RETRACTABLE FILM. Expired - Fee Related ES2181564B1 (en)

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)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2297060A (en) * 1995-01-20 1996-07-24 Okura Industrial Co Ltd Heat-shrinkable polyolefin multilayer film

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8914703D0 (en) * 1989-06-27 1989-08-16 Dow Europ Sa Bioriented film
NZ336351A (en) * 1997-02-25 2001-01-26 Exxon Chemical Patents Inc Oriented coextruded films useful in wrapping and packaging comprising a first layer containing only ethylene copolymer having density of 0.9-0.935 g/cm3

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2297060A (en) * 1995-01-20 1996-07-24 Okura Industrial Co Ltd Heat-shrinkable polyolefin multilayer film

Also Published As

Publication number Publication date
ES2181564A1 (en) 2003-02-16

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