Title:
BIAXIALLY ORIENTED POLYESTER FILM
Document Type and Number:
WIPO Patent Application WO/1999/017931
Kind Code:
A1
Abstract:
A biaxially oriented polyester film having at least one film layer mainly formed from polypropylene terephthalate and a heat shrinkage at 80 °C in 30 minutes of 0.8 % or below. It is excellent in abrasion resistance and particularly useful as a magnetic recording medium.
Inventors:
OKAZAKI IWAO (JP)
NAKAMORI YUKARI (JP)
NAKAJIMA SHOZI (JP)
KUBOTA AKIRA (JP)
SHIRAKAWA YURI (JP)
NAKAMORI YUKARI (JP)
NAKAJIMA SHOZI (JP)
KUBOTA AKIRA (JP)
SHIRAKAWA YURI (JP)
Application Number:
PCT/JP1998/002590
Publication Date:
April 15, 1999
Filing Date:
June 12, 1998
Export Citation:
Assignee:
TORAY INDUSTRIES (JP)
OKAZAKI IWAO (JP)
NAKAMORI YUKARI (JP)
NAKAJIMA SHOZI (JP)
KUBOTA AKIRA (JP)
SHIRAKAWA YURI (JP)
OKAZAKI IWAO (JP)
NAKAMORI YUKARI (JP)
NAKAJIMA SHOZI (JP)
KUBOTA AKIRA (JP)
SHIRAKAWA YURI (JP)
International Classes:
B29C55/06; B29C55/12; B29C55/14; B32B27/36; C08J5/18; G11B5/73; (IPC1-7): B32B27/36; B29C55/12; C08J5/18
Foreign References:
| JPH07266521A | 1995-10-17 | |||
| JPH069809A | 1994-01-18 | |||
| JPH01195045A | 1989-08-04 |
Other References:
See also references of EP 0943428A4
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