Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Mixing of two or more solid polymers; mixing of solid...
Patent
1997-10-03
1999-06-29
Mosley, Terressa
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Mixing of two or more solid polymers; mixing of solid...
528 28, 528 30, 528196, C08G 6400
Patent
active
059169800
ABSTRACT:
A polycarbonate polymer and resin composition having excellent transparency and abrasion resistance, comprising a mixture of (i) a polycarbonate polymer having a repeating unit having a specific grafted polysiloxane structure, and (ii) from 0 to 20 wt % of a diorganopolysiloxane. The polycarbonate polymer is obtained by reacting (a) a specific polysiloxane compound and (b) a specific bisphenol compound with (c) a carbonate ester forming compound.
Ogawa Noriyoshi
Tajima Jun
Takarada Mitsuhiro
Tanaka Masaki
Mitsubishi Gas Chemical Company Inc.
Mosley Terressa
Shin-Etsu Chemical Co. , Ltd.
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