公开(公告)号：DE3573903D1

公开(公告)日：1989-11-30

申请号：DE3573903

申请日：1985-07-04

Applicant: TORAY INDUSTRIES

Inventor： OIKAWA TATUO ,  IZASA TAKAO ,  OKABE KAZUO -

IPC: B32B27/36 ,  C08G63/688 ,  C08J5/12 ,  C08J7/04 ,  G03C1/795

Abstract: PCT No. PCT/JP85/00379 Sec. 371 Date Mar. 7, 1986 Sec. 102(e) Date Mar. 7, 1986 PCT Filed Jul. 4, 1985 PCT Pub. No. WO86/00572 PCT Pub. Date Jan. 30, 1986.The present invention relates to an easily-adhesive polyester film comprising a polyester base film and a coating layer formed on one surface of the polyester base film, the coating layer comprising a mixture composed mainly of a higher fatty acid wax and a copolyester comprising as one comonomer component an alkali metal salt of an ester-forming aromatic sulfonic acid. The film of the present invention has excellent adhesiveness and has an improved anti-blocking property, and the film of the present invention is valuable as a base film for a magnetic recording medium, a capacitor or a photographic film.

公开(公告)号：EP0188620A4

公开(公告)日：1987-01-20

申请号：EP85903381

申请日：1985-07-04

Applicant: TORAY INDUSTRIES

Inventor： OIKAWA TATUO ,  IZASA TAKAO ,  OKABE KAZUO - AZA-WAKAMIYA

IPC: B32B27/36 ,  C08G63/688 ,  C08J5/12 ,  C08J7/04 ,  G03C1/795

CPC classification number: C08J5/124 ,  C08J7/047 ,  C08J2367/02 ,  C08J2423/02 ,  G03C1/7954 ,  Y10S428/90 ,  Y10T428/31786

Abstract: An easily bondable polyester film comprising a polyester base film having on one side a coating layer of a mixture mainly composed of a copolyester containing ester-forming alkali metal aromatic sulfonate as one comonomer and a higher fatty acid wax. This film has excellent bondability and improved blocking properties, and is useful as base film for a magnetic recording medium, capacitor, photographic film, etc.