Polysiloxane modified thermoset compositions

Details Polysiloxane modified thermoset compositions Polysiloxane modified thermoset compositions

1992-11-25

1994-02-08

Krass, Frederick

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

Synthetic resins

Processes of preparing a desired or intentional composition...

523458, 523459, 523460, 523466, 525415, 525476, 528 27, 26433112, C08J 500

Patent

active

052849384

ABSTRACT:
A polysiloxane-modified epoxy-based encapsulation composition comprising an epoxy resin, a curing agent for the epoxy resin, a polylactone-polysiloxane block copolymer, and a filler is described. The powder molding compositions provide a low internal stress epoxy composition without significantly sacrificing T.sub.g.

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