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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
IPC分类号: C08G77/448 , C08K5/524 , C08K5/08 , C08K5/13 , C08K5/3475 , C08K5/357 , C08K5/3492 , C08K5/12 , C08K5/5415 , C08K5/103 , C08L83/10 , C08K5/42
摘要: 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:US11161977B2
公开(公告)日:2021-11-02
申请号:US16079056
申请日:2017-03-07
发明人: Masami Takimoto , Yasuhiro Mogi
IPC分类号: C08L69/00 , C08G64/18 , C08G77/448 , C08K3/22 , C08K9/04 , C08K3/30 , C08K5/20 , C08K5/151 , C08K5/29
摘要: Provided are: a polycarbonate-based resin composition, including a polycarbonate-based resin (A) containing a polycarbonate-polyorganosiloxane copolymer (A1) having a predetermined structure, and 0.1 part by mass or more to 40 parts by mass or less of a white pigment (B) with respect to 100 parts by mass of the polycarbonate-based resin (A), wherein the white pigment (B) has an organic layer on a surface thereof, and a highest peak temperature of an evolved gas analysis curve of the organic layer obtained by evolved gas analysis with a pyrolysis gas chromatograph apparatus and a FID detector is 390° C. or more; and a molded article thereof.
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公开(公告)号:US11134872B2
公开(公告)日:2021-10-05
申请号:US15981681
申请日:2018-05-16
IPC分类号: C08G77/26 , A61B5/1486 , A61B5/145 , C08G18/72 , C08L75/12 , C08G18/32 , C08G18/44 , C08G18/40 , C08G18/73 , C08G18/61 , A61B5/00 , C08G18/76 , C08G18/50 , C08G77/458 , C08G77/448
摘要: Embodiments of the invention provide compositions useful in analyte sensors as well as methods for making and using such compositions and sensors. In typical embodiments of the invention, the sensor is a glucose sensor comprising an analyte modulating membrane formed from a polymeric reaction mixture formed to include limiting amounts of catalyst and/or polycarbonate compounds so as to provide such membranes with improved material properties such as enhanced thermal and hydrolytic stability.
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公开(公告)号:US11066556B2
公开(公告)日:2021-07-20
申请号:US16064055
申请日:2016-12-13
发明人: Aki Yamada , Yasuhiro Ishikawa
IPC分类号: C08L69/00 , C08L83/10 , C08G77/448
摘要: 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:US20210108033A1
公开(公告)日:2021-04-15
申请号:US16956041
申请日:2018-12-21
申请人: TEIJIN LIMITED
发明人: Taichi KIMURA , Kazushi TANDO , Koji ODA
摘要: A polycarbonate-polydiorganosiloxane copolymer or a resin composition thereof having excellent impact resistance, and, in particular, excellent impact resistance at extremely low temperatures, as well as excellent chemical resistance; and a production method for the resin composition are provided. This copolymer or resin composition thereof includes a polycarbonate-polydiorganosiloxane copolymer and an optional polycarbonate resin. The copolymer includes a polycarbonate block (A-1) and a polydiorganosiloxane block (A-2). The polydiorganosiloxane block (A-2) content of the copolymer or resin composition thereof is 2.5-8.0 wt %. The copolymer or resin composition thereof satisfies (i) and (ii): (i) in a cross-sectional observation image of the copolymer or resin composition thereof that is generated using an electron beam microscope, there are 1-20 domains that have a longest diameter of at least 80 nm in an area that is 850 nm square (722,500 nm2); and (ii) average domain size is 30-100 nm.
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公开(公告)号:US10975224B2
公开(公告)日:2021-04-13
申请号:US15561007
申请日:2016-03-29
发明人: Aki Yamada , Yasuhiro Ishikawa
IPC分类号: C08K5/357 , C08G64/18 , C08L83/10 , C08K5/12 , C08K5/3475 , C08K5/3492 , C08K5/526 , C08G77/448
摘要: Provided is a polycarbonate-based resin composition containing a polycarbonate-based resin containing a polycarbonate-polyorganosiloxane copolymer, and 0.01 to 1.0 part by mass of a UV absorber 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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公开(公告)号:US10934392B2
公开(公告)日:2021-03-02
申请号:US16182049
申请日:2018-11-06
发明人: Yasuhiro Ishikawa , Tomoko Abe
IPC分类号: C08G77/448 , C08G64/18 , C08L83/10 , C08G77/38 , C08G77/20
摘要: Provided is a polyorganosiloxane, wherein a value obtained by integrating dw/d log(M) from 2.5≤log(M)≤3.1 is 0 to 10% of a value obtained by integrating dw/d log(M) over the entire range of log (M) in a differential molecular weight distribution curve, wherein the differential molecular weight distribution curve is determined by gel permeation chromatography using the polystyrene calibration curve, has an x-axis showing a logarithmic value log(M) of a molecular weight M and has a y-axis showing dw/d log(M) obtained by differentiating a concentration fraction w with respect to the logarithmic value log(M) of the molecular weight.
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公开(公告)号:US20210054144A1
公开(公告)日:2021-02-25
申请号:US16977605
申请日:2019-04-22
IPC分类号: C08G64/18 , C08G63/64 , C08G63/185 , C08G64/04 , C08G77/04 , C08G77/448 , C08K5/00 , C08K5/521 , C08K7/02 , D01F1/07 , D01F6/84 , D01F6/96
摘要: A copolymer fiber is prepared from a composition that includes specific amounts of a block polyestercarbonate-polysiloxane and a flame retardant. The fiber has an equivalent circular diameter of 10 to 60 micrometers. Also described are a method of forming the fiber, and various articles incorporating the fiber, including woven fabrics, knit fabrics, and nonwoven fabrics.
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公开(公告)号:US20210047513A1
公开(公告)日:2021-02-18
申请号:US17046869
申请日:2019-04-17
发明人: Hyuk Jin JEONG , Ja Kwan KOO , Woo Jin LEE , Tae Gon KANG
IPC分类号: C08L69/00 , C08G77/16 , C08G77/28 , C08G77/448 , C08K3/013 , C08K5/521 , C08K3/22 , C08K3/26 , C08K3/30
摘要: A polycarbonate resin composition of the present invention is characterized by comprising a polycarbonate resin; a polysiloxane-polycarbonate copolymer resin; silicone gum; a metal inorganic compound; a phosphorus flame retardant; and an inorganic filler. The polycarbonate resin composition has excellent properties in terms of flame retardancy, low heat generation characteristics, flame propagation characteristics, low flammability, etc., and does not have smoke toxicity.
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公开(公告)号:US10913851B2
公开(公告)日:2021-02-09
申请号:US15780423
申请日:2016-10-19
发明人: Yuzhen Yang , Hao Zhou , Shreyas Chakravarti
摘要: Compositions formed from a blend of polyetherimide, siloxane/bisphenol-A polyester/polycarbonate copolymer, polycyclohexylenedimethylene terephthalate, polycarbonate/siloxane copolymer, and styrene-ethylene-butadiene-styrene are disclosed that provide superior performance in terms of notched Izod impact, glass transition temperature (Tg), strength after aging, ability to withstand secondary processing conditions, and in other respects. Such compositions exceed critical-to-quality requirements for use in manufacturing components for electronic communication devices.
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