Polyimide film with tin or tin salt incorporation resulting in i

Details Polyimide film with tin or tin salt incorporation resulting in i Polyimide film with tin or tin salt incorporation resulting in i

1991-08-21

1993-06-08

Thibodeau, Paul J.

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

Synthetic resins

At least one aryl ring which is part of a fused or bridged...

524401, 524434, C08K 509

Patent

active

052180344

ABSTRACT:
A polyimide film having improved adhesion and thermal durability containing from 0.02 to 1% by weight of tin based on the weight of the film. A process for preparing a polyimide film is also described wherein a tin (II) or tin (IV) salt is introduced into a film-forming polyamide acid polymer prior to the casting step.

REFERENCES:
patent: 3389111 (1968-06-01), McKeown et al.
patent: 4755424, Takeoka et al.
patent: 4931365 (1990-06-01), Inoue et al.

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