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公开(公告)号：EP3733773A1
公开(公告)日：2020-11-04
申请号：EP20174987.6
申请日：2017-08-03
摘要： A polycarbonate resin composition having good impact resistance and also having excellent fluidity and surface hardness is provided. The polycarbonate resin composition, comprising: a polycarbonate resin (A), a poly(methyl methacrylate) (B), and a rubber-containing graft polymer (C) comprising a vinyl monomer grafted to a rubbery polymer, wherein the poly(methyl methacrylate) (B) comprises 85 to 100 mass% of a methyl methacrylate unit, and the value B/C is 2.0 to 15.0 (where B/C = parts by mass of poly(methyl methacrylate) (B) / parts by mass of rubber-containing graft polymer (C)).
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公开(公告)号：EP3950671A1
公开(公告)日：2022-02-09
申请号：EP20783889.7
申请日：2020-03-27
发明人： CHATANI, Shunsuke , MIYAHARA, Yuki , NIINO, Hiroshi , IKAWA, Masashi , OKADA, Haruki , FUJIE, Fumiko
IPC分类号： C07C321/00 , C07C333/00 , C08L101/00 , C10M151/02 , C08F2/38
摘要： A high-molecular-weight compound which has an effect of improving the heat resistance of a thermoplastic resin and suppressing an increase in the viscosity of a solution to which the high-molecular-weight compound is added; and a method for producing the same are provided. That is, a high-molecular-weight compound having a plurality of polymer chains linked through a divalent or higher-valent linking group, in which the divalent or higher-valent linking group has a thiol group and at least one of a thioether structure and a thiourethane structure, and a ratio of an absolute weight-average molecular weight to a relative weight-average molecular weight (absolute Mw/relative Mw) of the high-molecular-weight compound is 1.25 or more; and a method for producing the same are provided.
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公开(公告)号：EP3626780A1
公开(公告)日：2020-03-25
申请号：EP18801647.1
申请日：2018-05-10
IPC分类号： C08L83/04 , C08F283/12 , C08G77/08 , C08J3/12 , C08J3/16
摘要： An object of the present invention is to provide an impact modifier that provides impact resistance to a molded object obtained by molding a resin composition such as polycarbonate at a high temperature, and exhibits more excellent heat stability (preservation of mechanical properties after a wet heat test, discoloration, and flame retardance), and a thermoplastic resin composition including the impact modifier. The polyorganosiloxane-containing-rubber latex, in which a total amount of sulfate ions and sulfonate ions included in 100 g of the solid content is 2.4 mmol or less, a powder thereof, and a resin composition including the powder and a resin. Further, a molded object thereof and a production method therefor are provided.
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