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公开(公告)号：US20210253855A1
公开(公告)日：2021-08-19
申请号：US16863415
申请日：2020-04-30
发明人： Xingxing YAO , Rongtao WANG , Ningning JIA
摘要： A resin composition includes a core-shell rubber, a vinyl-containing benzoxazine resin and a maleimide resin, wherein the core-shell rubber has a core-shell ratio of 6.0:4.0 to 9.5:0.5. The resin composition may be used to make various articles, such as a prepreg, a resin film, a laminate or a printed circuit board, and achieves improvements in at least one, more or all of the properties including dissipation factor, copper foil peeling strength (3 μm copper foil), ten-layer board T300 thermal resistance, ten-layer board glass transition temperature, ten-layer board delamination temperature, inner resin flow, and resin filling property of open area.
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公开(公告)号：US20210166844A1
公开(公告)日：2021-06-03
申请号：US16770694
申请日：2019-02-01
摘要： An insulating film includes: a resin consisting of a polyimide, a polyamide-imide, or a mixture thereof; and α-alumina single crystal particles having an average particle diameter in a range of 0.3 μm or more and 1.5 μm or less, in which an amount of the α-alumina single crystal particles is in a range of 8% by volume or more and 80% by volume or less. An insulated conductor includes: a conductor; and an insulating film provided on a surface of the conductor, in which the insulating film consists of the insulating film. A metal base substrate includes a metal substrate, an insulating film, and a metal foil which are laminated in this order, in which the insulating film consists of the insulating film.
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公开(公告)号：US20210155853A1
公开(公告)日：2021-05-27
申请号：US16610698
申请日：2018-11-01
申请人： LG CHEM, LTD.
发明人： Hang Ah PARK , Jung Ho JO , Jun Young YOON , Hyeong Seuk YUN
IPC分类号： C09K19/56 , C08L79/08 , C08L79/02 , C08L63/00 , C09D179/08 , G02F1/1337
摘要： A liquid crystal aligning agent composition for forming a liquid crystal alignment film having improved electrical characteristics and high reliability while exhibiting excellent alignment properties and durability, a method for preparing a liquid crystal alignment film using the same, and a liquid crystal alignment film and a liquid crystal display device using the liquid crystal alignment film.
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公开(公告)号：US20210147679A1
公开(公告)日：2021-05-20
申请号：US16628206
申请日：2019-01-23
申请人： LG CHEM, LTD.
发明人： Kyunghwan KIM , Hye Won JEONG , Chan Hyo PARK , Jinyoung PARK
摘要： Provided according to the present invention is a substrate for a flexible display device in which the problems of threshold voltage shift-induced current fluctuation and resultant image sticking can be solved by introducing an imide monomer as an organic filler into a polyamic acid composition to enhance thickness and surface direction densities in the film that is manufactured while vulcanization is performed at high temperatures, thereby enhancing thermal diffusivity and thermal conductivity of the film.
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公开(公告)号：US20210139701A1
公开(公告)日：2021-05-13
申请号：US17047280
申请日：2019-05-08
发明人： Yuuki SATO , Atsushi SAKAI
摘要： A polyimide resin composition obtained by blending a polyimide resin (A) and glass fiber (B), the polyimide resin (A) containing a repeating structural unit represented by the following formula (1) and a repeating structural unit represented by the following formula (2), a content ratio of the repeating structural unit of the formula (1) with respect to the total of the repeating structural unit of the formula (1) and the repeating structural unit of the formula (2) being 20 to 70 mol %, wherein R1 represents a divalent group having from 6 to 22 carbon atoms containing at least one alicyclic hydrocarbon structure; R2 represents a divalent chain aliphatic group having from 5 to 16 carbon atoms; and X1 and X2 each independently represent a tetravalent group having from 6 to 22 carbon atoms containing at least one aromatic ring.
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86.发明授权公开(公告)号：US10988616B2
公开(公告)日：2021-04-27
申请号：US14907288
申请日：2014-07-25
申请人： JNC CORPORATION
IPC分类号： C08L77/12 , C08G73/10 , C08L63/00 , C08L79/08 , C09D177/12 , C08G59/42 , C08K5/1539 , C08G59/24 , C08G73/16
摘要： The invention concerns a thermosetting resin composition, a cured film, a substrate with the cured film, and an electronic component, and the thermosetting resin composition contains polyester amide acid (A), epoxy compound (B) having a fluorene skeleton and epoxy curing agent (C).
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公开(公告)号：US10988491B2
公开(公告)日：2021-04-27
申请号：US16542824
申请日：2019-08-16
发明人： Jeremiah A. Johnson , Peyton Shieh , Wenxu Zhang
摘要： The present disclosure provides cyclic silyl ethers of the formula: and salts thereof. The cyclic silyl ethers may be useful as monomers for preparing polymers. Also described herein are polymers prepared by polymerizing a cyclic silyl ether and optionally one or more additional monomers. The polymers may be degradable (e.g., biodegradable). One or more O—Si bonds of the polymers may be the degradation sites. Also described herein are compositions and kits including the cyclic silyl ethers or polymers; methods of preparing the polymers; and methods of using the polymers, compositions, and kits.
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88.发明授权公开(公告)号：US10961394B2
公开(公告)日：2021-03-30
申请号：US16301601
申请日：2017-05-11
发明人： Chen Wan , Hao Zhou , Raghavendra Raj Maddikeri
IPC分类号： C08L83/10 , C08L69/00 , C08L79/08 , C08J3/20 , C08L51/04 , C08L55/02 , C08G77/448 , C08L25/12
摘要： A thermoplastic composition includes a poly(etherimide), a poly(ester-carbonate), a poly(carbonate-siloxane), a flow promoter, and a hydrogenated block copolymer of an alkenyl aromatic compound and a conjugated diene. The flow promoter includes units derived from styrene and acrylonitrile, preferably an acrylonitrile-butadiene-styrene, a styrene-acrylonitrile, a high rubber graft acrylonitrile-styrene-acrylate copolymer, or a combination including at least one of the foregoing. A method of making the thermoplastic composition and an article including the thermoplastic composition are also disclosed.
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公开(公告)号：US10961350B2
公开(公告)日：2021-03-30
申请号：US15580562
申请日：2016-06-07
发明人： Maryam Momtaz , Corinne Bushelman
摘要： The invention relates to a composition [composition (C)] comprising a poly(biphenyl ether sulfone) polymer [polymer (P)] and selected metal oxides in specific amounts. Composition (C) can be advantageously used for the manufacture of sterilizable shaped articles.
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公开(公告)号：US10954340B2
公开(公告)日：2021-03-23
申请号：US15749921
申请日：2016-08-08
发明人： Kunihiro Noda , Hiroki Chisaka , Dai Shiota , Shinichi Komatsu
IPC分类号： C08G73/12 , C08L79/08 , C08G73/10 , C08K5/3445
摘要： A polyimide precursor composition that exhibits excellent tensile strength and breaking elongation, and that provides a film containing an alicyclic polyimide resin; a method for producing a polyimide film using the polyimide precursor composition; and a permanent film that contains an alicyclic polyimide resin and that exhibits excellent tensile strength and breaking elongation. The polyimide precursor composition is a mixture of a resin precursor component which is a polyamic acid including an alicyclic backbone having a predetermined structure, a monomer component that includes an aromatic diamine compound having a predetermined structure or an alicyclic tetracarboxylic acid di-anhydride having a predetermined structure; an imidazole compound having a predetermined structure; and a solvent.
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