Crystalline polyimidesiloxanes

Details Crystalline polyimidesiloxanes Crystalline polyimidesiloxanes

1990-01-02

1991-04-16

Marquis, Melvyn I.

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

Synthetic resins

From silicon reactant having at least one...

528 38, 528 41, C08G 7704

Patent

active

050083619

ABSTRACT:
Novel crystalline polyimidesiloxanes are prepared by reacting BTDA, and a siloxane monomer with a diamine selected from bis-4(4-aminophenoxy) phenyl sulfone and 2,2-bis-4(4-aminophenoxy) phenyl propane. The products have low water absorption.

REFERENCES:
patent: 4558110 (1985-12-01), Lee
patent: 4701511 (1987-10-01), Valenty
patent: 4829131 (1989-05-01), Lee
L. M. Ruiz in Proc. 3rd SAMPE Electronic Conference, 1989, p. 209.
Stoakley et al. in Proc. 3rd SAMPE Electronic Conference, 1989, p. 224.
Schuckert et al. in "The Evolution of Packaging Dielectrics", published in the Proc. Symp. Packaging of Electronic Devices, edited by P. Bindra and R. A. Susko, Electrochem. So. Inc. (1989), p. 116.
J. Electronics Material, vol. 18(2), (1989), p. 313.

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