Global Patent Index - EP 0000386 B1

EP 0000386 B1 19820811 - BIAXIALLY STRETCHED POLYESTER FILM.

Title (en)

BIAXIALLY STRETCHED POLYESTER FILM.

Publication

EP 0000386 B1 19820811 (DE)

Application

EP 78100338 A 19780710

Priority

JP 8302577 A 19770713

Abstract (en)

[origin: EP0000386A1] 1. Biaxially stretched polyester film which is corona-treated in a nitrogen atmosphere, characterised in that it is made up of a copolyester comprising A a residue of dibasic acids wherein at least 90 mole % are terephthalic acid units and B glycols which contain from 0.1 to 3.0% by weight of at least one poly(alkylene oxide)glycols having a molecular weight in the range from 500 to 40,000, preferably from 800 to 30,000 and that is is corona-treated at an energy ranging between 10 and 100 W . min/m**2 .

IPC 1-7

C08J 5/18; C08L 67/02

IPC 8 full level

C08J 7/00 (2006.01); B29C 49/00 (2006.01); B29C 55/00 (2006.01); B29C 55/12 (2006.01); C08J 5/18 (2006.01)

CPC (source: EP)

C08J 5/18 (2013.01); C08J 2367/02 (2013.01)

Designated contracting state (EPC)

DE FR GB LU NL

DOCDB simple family (publication)

EP 0000386 A1 19790124; EP 0000386 B1 19820811; DE 2861997 D1 19821007; JP S5418872 A 19790213; JP S5825331 B2 19830526

DOCDB simple family (application)

EP 78100338 A 19780710; DE 2861997 T 19780710; JP 8302577 A 19770713