公开(公告)号：US20220363893A1

公开(公告)日：2022-11-17

申请号：US17622221

申请日：2020-06-30

Applicant: IDEMITSU KOSAN CO.,LTD.

Inventor： Kazushige IDETA ,  Yasuhiro ISHIKAWA ,  Hirotoshi ISHII

IPC: C08L69/00 ,  B29C45/00 ,  C08L83/04 ,  B29K69/00 ,  B29K83/00

Abstract: Provided is a molded body, including a polycarbonate-based resin composition containing: a polycarbonate-polyorganosiloxane copolymer (A); and at least one kind of compound (B) selected from the group consisting of an antioxidant, a dye, a release agent, a light-diffusing agent, a flame retardant, a UV absorber, a silicone-based compound, an epoxy compound, and a polyether compound, wherein the polycarbonate-polyorganosiloxane copolymer (A) contains a polycarbonate block (A-1) and a polyorganosiloxane block (A-2), and contains the polyorganosiloxane block (A-2) at a content of from 20 mass % to 70 mass %, and wherein the molded body has a durometer hardness of from 25 to 72, which is measured with a type D durometer in conformity with JIS K 6253-3:2012.

公开(公告)号：US20220363839A1

公开(公告)日：2022-11-17

申请号：US17622220

申请日：2020-06-30

Applicant: IDEMITSU KOSAN CO.,LTD.

Inventor： Kazushige IDETA ,  Yasuhiro ISHIKAWA ,  Hirotoshi ISHII

IPC: C08G77/448 ,  C08K5/524 ,  C08K5/08 ,  C08K5/13 ,  C08K5/3475 ,  C08K5/357 ,  C08K5/3492 ,  C08K5/12 ,  C08K5/5415 ,  C08K5/103 ,  C08L83/10 ,  C08K5/42

Abstract: Provided is a polycarbonate-based resin composition including: a polycarbonate-polyorganosiloxane copolymer (A); and at least one kind of compound (B) selected from the group consisting of an antioxidant, a dye, a release agent, a light-diffusing agent, a flame retardant, a UV absorber, a silicone-based compound, an epoxy compound, and a polyether compound, wherein the polycarbonate-polyorganosiloxane copolymer (A) contains a polycarbonate block (A-1) and a polyorganosiloxane block (A-2), and satisfies the following requirements (1) to (3): (1) the content of the polyorganosiloxane block (A-2) is from more than 40 mass % to 70 mass % or less; (2) the copolymer has a viscosity-average molecular weight of from 10,000 to 23,000; and (3) the copolymer contains a specific polycarbonate block as the polycarbonate block (A-1).

公开(公告)号：US20200317846A1

公开(公告)日：2020-10-08

申请号：US16955996

申请日：2018-12-27

Applicant: IDEMITSU KOSAN CO.,LTD.

Inventor： Kazushige IDETA ,  Hirotoshi ISHII ,  Yasuhiro ISHIKAWA

IPC: C08F293/00

Abstract: 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.