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公开(公告)号：US11655326B2
公开(公告)日：2023-05-23
申请号：US16955996
申请日：2018-12-27
IPC分类号： C08F293/00
CPC分类号： C08F293/00
摘要： Provided is a molded body including a polycarbonate-polyorganosiloxane copolymer which contains a polycarbonate block (A-1) formed of a repeating unit having a specific structure and a polyorganosiloxane block (A-2) containing a repeating unit having a specific structure, and in which the content of the polyorganosiloxane block (A-2) is from 20 mass % or more to 70 mass % or less, wherein the molded body has a durometer hardness of from 25 or more to 72 or less measured with a type D durometer in conformity with JIS K 6253-3:2012.
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公开(公告)号：US11945908B2
公开(公告)日：2024-04-02
申请号：US16956018
申请日：2018-12-27
IPC分类号： C08G77/448 , C08G64/06 , C08G64/18
CPC分类号： C08G64/186 , C08G64/06 , C08G77/448
摘要： Provided is a polycarbonate-polyorganosiloxane copolymer (A), including: a polycarbonate block (A-1) formed of a repeating unit having a specific structure; and a polyorganosiloxane block (A-2) containing a repeating unit having a specific structure, wherein the polycarbonate-polyorganosiloxane copolymer satisfies the following requirements (1) to (3): (1) the content of the polyorganosiloxane block (A-2) in the polycarbonate-polyorganosiloxane copolymer (A) is from more than 40 mass % to 70 mass % or less; (2) the polycarbonate-polyorganosiloxane copolymer has a viscosity-average molecular weight of from 10,000 or more to 23,000 or less; and (3) the polycarbonate-polyorganosiloxane copolymer includes a specific polycarbonate block as the polycarbonate block (A-1).
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