Polydiorganosiloxane/polycarbonate block copolymers

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Mixing of two or more solid polymers; mixing of solid...

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525474, 528 25, 528 29, C08F28302

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active

047329491

ABSTRACT:
The present invention relates to the preparation of thermoplastic poly-(diorganosiloxane)/polycarbonate block copolymers containing monoalkylphenyl or dialkylphenyl end groups by the phase boundary process, and to the block copolymers which can be obtained by the process.

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Chemistry and Physics of Polycarbonates by Hermann Schnell, Interscience Publishers, 1964, pp. 31-41.
Polycarbonates, by William F. Christopher and Daniel W. Fox, Reinhold Publishing Corporation, New York, 1962, at pp. 15-18.

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