Precursor composition capable of yielding a polyimidesilicone re

Details Precursor composition capable of yielding a polyimidesilicone re Precursor composition capable of yielding a polyimidesilicone re

1994-03-23

1994-12-27

Dean, Ralph H.

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

Synthetic resins

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

528 26, 528 28, 528 41, 556439, C08L 8306

Patent

active

053767330

ABSTRACT:
A polyimidesilicone resin precursor composition which comprises a polysiloxane of the following general formula ##STR1## wherein R is a monovalent organic group having up to 10 carbon atoms, R.sup.1 represents a hydrogen atom or a monovalent organic group having up to 10 carbon atoms, and m is an integer not smaller than 3, and a polyamic acid or a polyimide obtained from the polyamic acid. The composition is cured at a relatively low temperature within a short time to provide a cured film having improved solvent and heat resistances and good adhesion to various substrates.

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patent: 3847867 (1974-11-01), Heath et al.
patent: 4795680 (1989-01-01), Rich et al.
patent: 4820781 (1989-04-01), Policastro et al.
patent: 4898918 (1990-02-01), Yamamoto et al.
patent: 4975490 (1990-12-01), Okawa et al.

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