Polycarbonate-siloxane polyetherimide copolymer blends

Details Polycarbonate-siloxane polyetherimide copolymer blends Polycarbonate-siloxane polyetherimide copolymer blends

1987-08-20

1989-03-28

Marquis, Melvyn I.

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

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

525433, C08L 7700

Patent

active

048165271

ABSTRACT:
A polymer blend containing a polycarbonate and a siloxane-polyetherimide copolymer. The blends of the invention have improved impact strength, particularly thick section impact strength, over the unmodified polycarbonates. In addition the blends have good physical properties, relatively low flammability and are resistant to environmental stress cracking and crazing.

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