Adhesive polyimide siloxane composition employable for combining

Details Adhesive polyimide siloxane composition employable for combining Adhesive polyimide siloxane composition employable for combining

1995-11-20

1998-03-17

Nakarani, D. S.

Stock material or miscellaneous articles

Composite

Of silicon containing

428450, 428458, 4284735, B32B 1508

Patent

active

057284733

ABSTRACT:
An adhesive polyimide composition comprises 100 weight parts of a polyimide siloxane having a Tg of not lower than 200.degree. C. and 0.2 to 5 weight parts of a silane coupling agent having a glycidyl group. An epoxy resin may be incorporated into the polyimide composition. The polyimide siloxane is prepared by polymerization reaction of an aromatic tetracarboxylic acid dianhydride or its derivative and a diamine composition comprising 5 to 25 mol. % of a specific diaminosiloxane and 75 to 95 mol. % of an aromatic diamine having at least two benzene rings and one oxygen atom intervening these benzene rings. The adhesive polyimide composition is generally employed in the form of a solution in an organic solvent and for combining electrically conductive or insulating members.

REFERENCES:
patent: 4758476 (1988-07-01), Sekine et al.
patent: 5180627 (1993-01-01), Inoue et al.

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