Polyester-based film

Details Polyester-based film Polyester-based film

1989-12-20

1991-09-24

Short, Patricia

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

525176, 525177, C08L 6702, C08L 2518

Patent

active

050514750

ABSTRACT:
The present invention is directed to a polyester film comprising at least at its surface portion oriented sulfonic acid groups and/or salts thereof with an orientation degree of 5-100, which has an excellent adhesiveness, especially excellent anti-alkaline adhesiveness. The present invention also makes it possible to provide a polyester film having, in addition to the excellent adhesiveness, an excellent transparency, antistatic property and waterproof property.

REFERENCES:
patent: 3018189 (1962-01-01), Traver
patent: 3136655 (1964-06-01), Wolinski
patent: 3186883 (1965-06-01), Frantzen
patent: 3364056 (1968-01-01), Seibel
patent: 4072769 (1978-02-01), Lidel
patent: 4224270 (1980-09-01), Pears
patent: 4585687 (1986-04-01), Posey et al.
patent: 4613545 (1986-09-01), Chubachi et al.
patent: 4745019 (1988-05-01), Posey et al.
patent: 4748084 (1988-05-01), Hata et al.

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