Polyimide copolymers containing 4,4'-bis(p-aminophenoxy)biphenyl

Details Polyimide copolymers containing 4,4'-bis(p-aminophenoxy)biphenyl Polyimide copolymers containing 4,4'-bis(p-aminophenoxy)biphenyl

1990-05-24

1990-12-04

Foelak, Morton

Stock material or miscellaneous articles

Composite

Of polyimide

428458, 528 26, B32B 326

Patent

active

049753312

ABSTRACT:
A low modulus, solvent resistant, wet etchable polyimide useful in electronic applications as passivation and insulating coatings, said polyimides containing a 4,4'-bis(p-aminophenoxy)biphenyl moiety, a siloxane diamine moiety, and a dianhydride moiety.

REFERENCES:
patent: 4885206 (1989-12-01), Graalman et al.
patent: 4889763 (1989-12-01), Brambach
patent: 4898753 (1990-02-01), Inoue et al.
patent: 4908265 (1990-03-01), Ferro

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