Polycarbonate-polysiloxane block copolymers

Details Polycarbonate-polysiloxane block copolymers Polycarbonate-polysiloxane block copolymers

1994-11-29

2000-06-06

Wu, David W.

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

Synthetic resins

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

525104, 525 92, 528 26, 528 29, 524162, 524164, 524588, C08F28312

Patent

active

060720115

ABSTRACT:
Block copolymers suitable as molding resins are provided having polycarbonate blocks and polysiloxane blocks of the structure ##STR1## where R.sup.1, R.sup.2, Y and m are as defined herein, and where the weight percentage of blocks of polycarbonate blocks is from 92 to 96% and the weight percentage of siloxane from blocks of polysiloxane blocks is from 4 to 8%.

REFERENCES:
patent: 3419635 (1968-12-01), Vaughn
patent: 4391935 (1983-07-01), Bialous et al.
patent: 4732949 (1988-03-01), Paul et al.
patent: 4879346 (1989-11-01), Bopp et al.
patent: 4912165 (1990-03-01), Winfried et al.
patent: 4994510 (1991-02-01), Naar
patent: 5025074 (1991-06-01), Davis

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