Novel heat-stable siloxane/bismaleimido polymers

Details Novel heat-stable siloxane/bismaleimido polymers Novel heat-stable siloxane/bismaleimido polymers

1988-02-24

1989-05-09

Marquis, Melvyn I.

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

526279, 528 32, C08F 2240

Patent

active

048291382

ABSTRACT:
Novel heat-stable imido polymers, well adapted for the production of a wide variety of useful shaped articles, comprise the coplymerizate of (a) at least one diorganopolysiloxylated N,N'-bismaleimide having the following general formula (I): ##STR1## with (b) at least one other N,N'-bismaleimide comonomer, optionally, (c) at least one olefinically unsaturated comonomer copolymerizable with the bismaleimides (a) and (b), and, also optionally, (d) a catalyst.

REFERENCES:
patent: 3966531 (1976-06-01), Bargain
Chemical Abstracts, 101: 112026y, "Preparation and Characterization of a Siloxane Containing Bismaleimide", published Oct. 1, 1984.

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