Transparent and high-heat polycarbonate-polysiloxane copolymers and transparent blends with polycarbonate and a process for preparing same

Transparent and high-heat polycarbonate-polysiloxane copolymers and transparent blends with polycarbonate and a process for preparing same

  • CN 102,161,753 A
  • Filed: 02/23/2004
  • Published: 08/24/2011
  • Est. Priority Date: 02/21/2003
  • Status: Active Application
First Claim
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1. polycarbonate-polysiloxane copolymer, contain derived from the monomeric unit of the end capped polydiorganosiloxane of hydroxyaryl with derived from the monomeric unit of aromatics bischloroformates, described polydiorganosiloxane has 10 to 60 two organo-siloxane base unit, the mean chain length of described aromatics bischloroformates be 6 or the turbidity value of longer and wherein said polycarbonate-polysiloxane copolymer be to be lower than 10.

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