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公开(公告)号：US20210284837A1
公开(公告)日：2021-09-16
申请号：US16338960
申请日：2017-10-03
Applicant: IDEMITSU KOSAN CO., LTD.
Inventor： Yasuhiro ISHIKAWA , Aki YAMADA
IPC: C08L69/00 , C08G64/08 , C08G64/04 , C08G64/18 , C08G77/12 , C08G77/20 , C08G77/448 , C08G77/18 , C08G77/24 , C08G77/00
Abstract: Provided are a polycarbonate-based resin composition, including: 99 mass % to 1 mass % of a polycarbonate-polyorganosiloxane copolymer (A) having a predetermined repeating unit (A-1) and predetermined constituent units (A-2) and (A-3); and 1 mass % to 99 mass % of a polycarbonate-based resin (B) except the polycarbonate-polyorganosiloxane copolymer (A), and a molded body thereof.
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公开(公告)号：US20200010671A1
公开(公告)日：2020-01-09
申请号：US16490029
申请日：2018-03-01
Applicant: IDEMITSU KOSAN CO., LTD.
Inventor： Yasuhiro ISHIKAWA , Tomoko ABE , Yohei KOORI
IPC: C08L69/00 , C08L67/02 , C08L83/04 , C08G64/18 , C08G77/448
Abstract: Provided is a polycarbonate-based resin composition, including: 50 mass % or more to 99 mass % or less of a polycarbonate-based resin (S) containing a polycarbonate-polyorganosiloxane copolymer (A) containing a polycarbonate block (A-1) formed of a specific repeating unit and a polyorganosiloxane block (A-2) containing a specific repeating unit, and an aromatic polycarbonate-based resin (B) except the polycarbonate-polyorganosiloxane copolymer (A); and 1 mass % or more to 50 mass % or less of a polyester-based resin (C), wherein the polyorganosiloxane block (A-2) has an average chain length of from 50 or more to 500 or less.
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3.发明申请公开(公告)号：US20200010614A1
公开(公告)日：2020-01-09
申请号：US16490057
申请日：2018-03-01
Applicant: IDEMITSU KOSAN CO., LTD.
Inventor： Yasuhiro ISHIKAWA , Tomoko ABE , Takafumi AKIMOTO
Abstract: Provided is a polycarbonate-polyorganosiloxane copolymer including polycarbonate blocks (A-1) each formed of a specific repeating unit and polyorganosiloxane blocks (A-2) each containing a specific repeating unit, wherein the polycarbonate-polyorganosiloxane copolymer satisfies the following expression (F1a): 15≤wM1 (F1a) wherein wM1 represents the average content of the polyorganosiloxane blocks (A-2) in polycarbonate-polyorganosiloxane copolymers each having a molecular weight determined by using a polycarbonate as a conversion reference of from 56,000 or more to 200,000 or less among polycarbonate-polyorganosiloxane copolymers obtained through the separation of the polycarbonate-polyorganosiloxane copolymer by gel permeation chromatography.
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公开(公告)号：US20180355178A1
公开(公告)日：2018-12-13
申请号：US16064055
申请日：2016-12-13
Applicant: IDEMITSU KOSAN CO., LTD.
Inventor： Aki YAMADA , Yasuhiro ISHIKAWA
CPC classification number: C08L83/10 , C08L69/00 , C08L2205/025 , C08L2205/03 , C08L2205/035
Abstract: Provided is a polycarbonate-based resin composition containing: a polycarbonate-polyorganosiloxane copolymer (A-1) which contains a specific repeating unit and in which a polyorganosiloxane block has an average chain length of 20 or more and less than 60; a polycarbonate-polyorganosiloxane copolymer (A-2) which contains a specific repeating unit and in which a polyorganosiloxane block has an average chain length of 60 or more and less than 500; and a polycarbonate-based resin (A-3) except the polycarbonate-polyorganosiloxane copolymer (A-1) and the polycarbonate-polyorganosiloxane copolymer (A-2), wherein the ratio of the polycarbonate-based resin (A-3) to the total weight of the polycarbonate-polyorganosiloxane copolymer (A-1), the polycarbonate-polyorganosiloxane copolymer (A-2), and the polycarbonate-based resin (A-3) is 10 mass % or more.
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公开(公告)号：US20180237609A1
公开(公告)日：2018-08-23
申请号：US15556877
申请日：2016-03-11
Applicant: IDEMITSU KOSAN CO., LTD.
Inventor： Yasuhiro ISHIKAWA , Aki YAMADA , Yusuke AOKI
Abstract: Provided is a polycarbonate-based resin composition containing a polycarbonate-based resin containing a predetermined polycarbonate-polyorganosiloxane copolymer, and 0.5 to 5 parts by mass of a white pigment with respect to 100 parts by mass of the polycarbonate-based resin, in which the molecular weight distribution of a polyorganosiloxane block in the polycarbonate-polyorganosiloxane copolymer is controlled within a specific region.
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Patent Agency Ranking
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
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.
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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).
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公开(公告)号：US20200010641A1
公开(公告)日：2020-01-09
申请号：US16490041
申请日：2018-03-01
Applicant: IDEMITSU KOSAN CO., LTD.
Inventor： Yasuhiro ISHIKAWA , Tomoko ABE , Yohei KOORI
Abstract: A flame-retardant polycarbonate-based resin composition, including: a polycarbonate-based resin satisfying requirements (1) and (2); and a flame retardant, wherein the flame retardant is in an amount of from 0.001 part by mass or more to 20 parts by mass or less with respect to 100 parts by mass of the polycarbonate-based resin: (1) the polycarbonate-based resin contains a polycarbonate-polyorganosiloxane copolymer containing a polycarbonate block formed of a specific repeating unit and a polyorganosiloxane block containing a specific repeating unit, and an aromatic polycarbonate-based resin except the polycarbonate-polyorganosiloxane copolymer; and (2) the polycarbonate-based resin has a structure in which a domain containing the polyorganosiloxane block is present in a matrix containing the aromatic polycarbonate-based resin as a main component, and a domain containing at least one selected from a block derived from the aromatic polycarbonate-based resin and the polycarbonate block is present inside the domain.
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公开(公告)号：US20160257790A1
公开(公告)日：2016-09-08
申请号：US15151742
申请日：2016-05-11
Applicant: IDEMITSU KOSAN CO., LTD.
Inventor： Yukiko NAGAO , Yasuhiro ISHIKAWA , Hiroaki MOTEGI
IPC: C08G77/448
CPC classification number: C08G77/448 , C08G64/186 , C08G64/22 , C08G64/24 , C08G64/406 , C08G77/16 , C08G77/34 , C08G77/38 , C08K5/07 , C08K5/13 , C08L83/06 , C08L83/10
Abstract: Provided are a polycarbonate-polyorganosiloxane copolymer having a carbon tetrachloride concentration of less than 4 ppm by mass, and the following production method for producing the polycarbonate-polyorganosiloxane copolymer. More specifically, provided is a method of continuously producing a polycarbonate-polyorganosiloxane copolymer, the method comprising the steps of: (A) continuously or intermittently taking a polymerization reaction liquid, which is obtained by polymerizing a dihydric phenol compound, a carbonate precursor, and a specific polyorganosiloxane in the presence of an alkaline compound aqueous solution and a water-insoluble organic solvent, out of a reactor; (B) separating the polymerization reaction liquid taken out in the step (A) into an aqueous phase and a water-insoluble organic solvent phase; (C) washing the water-insoluble organic solvent phase separated in the step (B), followed by separation thereof into an aqueous phase and a water-insoluble organic solvent phase; (D) concentrating the water-insoluble organic solvent phase separated in the step (C); and (E) recovering part or all of the water-insoluble organic solvent removed by evaporation in the step (D), followed by distillation purification thereof in a distillation column, the water-insoluble organic solvent obtained in the step (E) being reused as at least part of the water-insoluble organic solvent in the step (A) or as an extraction solvent for the aqueous phase separated in the step (B), or as both thereof, in the step (E), the distillation purification being performed while a concentration of the polycarbonate-polyorganosiloxane copolymer in a column bottom liquid of the distillation column is controlled to 6% by mass or less.
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公开(公告)号：US20210284838A1
公开(公告)日：2021-09-16
申请号：US16490039
申请日：2018-03-01
Applicant: IDEMITSU KOSAN CO., LTD.
Inventor： Yasuhiro ISHIKAWA , Tomoko ABE
Abstract: A polycarbonate-based resin composition, including: a polycarbonate-based resin satisfying requirements (1) and (2); and an inorganic filler blended into the polycarbonate-based resin, wherein a ratio of the filler in 100 mass % of a total amount of the polycarbonate-based resin and the filler is from 0.1 mass % or more to 50 mass % or less: (1) the polycarbonate-based resin contains a polycarbonate-polyorganosiloxane copolymer containing a polycarbonate block formed of a specific repeating unit and a polyorganosiloxane block containing a specific repeating unit, and an aromatic polycarbonate-based resin except the polycarbonate-polyorganosiloxane copolymer; and (2) the polycarbonate-based resin has a structure in which a domain containing the polyorganosiloxane block is present in a matrix containing the aromatic polycarbonate-based resin as a main component, and a domain containing at least one selected from a block derived from the aromatic polycarbonate-based resin and the polycarbonate block is present inside the domain.
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