发明名称 |
POLYCARBONATE/POLYDIORGANOSILOXANE COPOLYMER |
摘要 |
<p>It is an object of the present invention to provide a polycarbonate-polydiorganosiloxane copolymer having improved transparency. The present invention is the polycarbonate-polydiorganosiloxane copolymer comprises a polycarbonate block and a polydiorganosiloxane block, wherein (i) the copolymer has an aggregation structure comprising a matrix of the polycarbonate and polydiorganosiloxane domains dispersed therein; (ii) the polydiorganosiloxane domains have an average size of 5 to 40 nm and a normalized dispersity of not more than 30 %; and (iii) the total light transmittance is not less than 88 %.</p> |
申请公布号 |
EP2460837(A1) |
申请公布日期 |
2012.06.06 |
申请号 |
EP20100804589 |
申请日期 |
2010.07.28 |
申请人 |
TEIJIN CHEMICALS, LTD. |
发明人 |
HIGAKI YUJI;YAMANAKA KATSUHIRO;KONDO FUMITAKA |
分类号 |
C08G64/18;C08G77/448;C08L69/00;C08L83/10 |
主分类号 |
C08G64/18 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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