Spiro(bis)indane polyamide and polyimide copolysiloxanes and met

Details Spiro(bis)indane polyamide and polyimide copolysiloxanes and met Spiro(bis)indane polyamide and polyimide copolysiloxanes and met

1988-04-15

1990-08-21

Hoke, Veronica P.

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

Synthetic resins

From silicon reactant having at least one...

528 27, 528 28, 528 29, C08G 7726

Patent

active

049507273

ABSTRACT:
Linear polyamide and polyimide copolysiloxane compositions are prepared by contacting a strongly acidic catalyst, basic catalyst or alkali metal fluoride with a macrocyclic spirobiindane polyamide or polyimide disiloxane, either alone or in combination with a cyclic polysiloxane such as octamethylcyclotetrasiloxane.

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