Polydiorganosiloxane-polycarbonate block co-codensates with impr

Details Polydiorganosiloxane-polycarbonate block co-codensates with impr Polydiorganosiloxane-polycarbonate block co-codensates with impr

1990-10-26

1992-08-11

Bleutge, John C.

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

Synthetic resins

Processes of preparing a desired or intentional composition...

524 87, C08K 53445

Patent

active

051379490

ABSTRACT:
A thermoplastic molding composition is disclosed comprising a polydiorganosiloxane-polycarbonate block cocondensate and 0.5% to 15% by weight of a particular hydroxy benzotriazole. The composition is characterized by its improved protection against UV light.

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Chemical Abstract 74, 53666f (1971).
Chemical Abstract 77, 62720h (1972).

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