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公开(公告)号:US10519312B2
公开(公告)日:2019-12-31
申请号:US15720753
申请日:2017-09-29
申请人: SKC KOLON PI Inc.
发明人: Kil Nam Lee , Jae Chul Ahn , In Seok Oh , Sang Hak Lee , Jae Baek Lee , Hyun Jai Lim
IPC分类号: B32B27/20 , C08L79/08 , C08G73/10 , C09C1/48 , C08K3/04 , C08J3/21 , C08J5/18 , C08J3/215 , C09D179/08
摘要: The present invention relates to an ultra-thin black polyimide film and a method for preparing the same. The ultra-thin black polyimide film according to the present invention has a thickness of 8 μm or less, and has not only an excellent gloss and a low light transmittance in the range of visible light, but also an excellent dimensional stability so as to be effectively used in products such as slim devices, coverlays, insulating films, or semiconductor devices, which need to have a good mechanical or thermal properties.
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公开(公告)号:US20190352463A1
公开(公告)日:2019-11-21
申请号:US16407647
申请日:2019-05-09
发明人: Masaki MAITANI , Toshiaki OKUDA , Takayuki KANADA
摘要: A solvent for a resin composition that includes a polyimide precursor having a structure unit derived from polyamic acid and a structure unit derived from siloxane having a monovalent aliphatic hydrocarbon group of 1 to 5 carbon atoms or a monovalent aromatic group of 6 to 10 carbon atoms. The solvent is a mixture of an amide-based solvent and a non-amide-based solvent having a boiling point of 160° C. or higher, and the resin composition includes cyclic siloxane.
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公开(公告)号:US20190338124A1
公开(公告)日:2019-11-07
申请号:US16470706
申请日:2018-01-12
发明人: SIJUN LI , LIANG SHEN
摘要: A reinforced polyetherimide composition includes 50 to 99.9 weight percent of a polymer composition comprising a polyetherimide having a weight average molecular weight of 5,000 to 80,000 Daltons; 10 to 40 weight percent of a reinforcing filler; 0.1 to 10 weight percent of flow promoter, wherein the flow promoter comprises an aromatic phosphate, a phosphazene, or a combination comprising at least one of the foregoing; 0 to 20 weight percent of a liquid crystalline polymer; wherein weight percent is based on the total weight of the reinforced polyetherimide composition; and wherein the composition has a melt flow rate (MFR) that is at least 10% higher than that of the same reinforced polyetherimide composition without the flow promoter, and a capillary melt viscosity that is at least 10% lower than that of the same reinforced polyetherimide composition without the flow promoter.
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公开(公告)号:US20190315963A1
公开(公告)日:2019-10-17
申请号:US16472143
申请日:2017-12-29
IPC分类号: C08L79/08
摘要: A polyimide composition includes 1 to 99 weight percent, preferably 70 to 99 weight percent, more preferably 75 to 95 weight percent of a first polyimide; and 1 to 99 weight percent, preferably 1 to 30 weight percent, more preferably 2 to 25 weight percent of a second polyimide, wherein the first polyimide and the second polyimide are different, and wherein the polyimide composition has a melt flow rate that is greater than a melt flow rate of the first polyimide and less than a melt flow rate of the second polyimide; an apparent viscosity that is less than an apparent viscosity of the first polyimide and less than an apparent viscosity of the second polyimide; and a notched Izod impact strength that is greater than a notched Izod impact strength of the first polyimide and greater than a notched Izod impact strength of the second polyimide.
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125.
公开(公告)号:US20190284395A1
公开(公告)日:2019-09-19
申请号:US16318154
申请日:2017-07-19
发明人: Aya KASAHARA , Tetsurou IWAKURA
摘要: The present invention relates to a thermosetting resin composition containing an inorganic filler (A1) containing a nanofiller (a), a thermosetting resin (B), and an elastomer (C); and a thermosetting resin composition containing an inorganic filler (A2), a thermosetting resin (B), and an elastomer (C), wherein the inorganic filler (A2) has at least two peaks of a first peak and a second peak in a particle size distribution measured according to the laser diffraction scattering method, and a peak position of the first peak appears at 0.3 to 0.7 μm, while a peak position of the second peak appears at 0.7 to 1.2 μm.
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126.
公开(公告)号:US20190281697A1
公开(公告)日:2019-09-12
申请号:US16336135
申请日:2017-09-26
IPC分类号: H05K1/03 , H05K3/46 , C08L79/08 , H01L23/538 , H01L23/498
摘要: One aspect of the present invention relates to a resin composition comprising a curable resin and a curing agent, which is used for forming an inter-wiring layer insulating layer in contact with a copper wiring.
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公开(公告)号:US20190263095A1
公开(公告)日:2019-08-29
申请号:US16320356
申请日:2017-11-14
申请人: LG CHEM, LTD.
发明人: Kwan Yeol PAEK , Soon Yong PARK , Young Ji TAE , Young Seok PARK , Bi Oh RYU , Il Hwan CHOI
摘要: The plastic laminated film has both excellent mechanical properties and UV weathering resistance while being colorless and transparent, and can be suitably used as cover films for various flexible or foldable devices.
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公开(公告)号:US20190256658A1
公开(公告)日:2019-08-22
申请号:US16347105
申请日:2017-11-16
IPC分类号: C08G73/10 , C08K5/3477 , C08L79/08
摘要: A ureido-pyrimidinone oligomer having the formula (I) wherein each Z′ is independently the same or different, and is a substituted or unsubstituted straight or branched chain C1-10 alkyl, each R1 is independently the same or different, and is a substituted or unsubstituted straight or branched chain C1-20 alkylene, substituted or unsubstituted C2-20 alkenylene, substituted or unsubstituted C3-8 cycloalkylene, or substituted or unsubstituted C6-18 arylene, each V is independently the same or different, and is a substituted or unsubstituted tetravalent C4-40 hydrocarbon group, each R is independently the same or different, and is a substituted or unsubstituted C1-24 divalent hydrocarbon group; and n has an average value of 2 to 50, preferably 3 to 40, more preferably 5 to 30.
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公开(公告)号:US10388424B2
公开(公告)日:2019-08-20
申请号:US15561643
申请日:2016-03-29
IPC分类号: H05K3/30 , H01B3/30 , C08L83/10 , H01B7/29 , H01B7/295 , H01B3/46 , C08L67/00 , C08L79/08 , C08L83/12 , C08G77/455
摘要: An electrical wire includes a conductor wire and a covering disposed over the conductor wire. The covering includes a thermoplastic composition. The thermoplastic composition includes a blend of an aromatic polyketone and a poly(etherimide-siloxane) copolymer. Electrical wires having such coverings can be useful in providing articles including electrical wires for high-heat applications including railway vehicle, automobile, marine vehicle, aircraft, or data transmission components.
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公开(公告)号:US10377860B2
公开(公告)日:2019-08-13
申请号:US14026320
申请日:2013-09-13
发明人: Matthew L. Kuhlman
IPC分类号: C08G73/10 , C08L79/08 , B32B27/28 , C07D209/48
摘要: A polyetherimide manufactured by reaction of an alkali metal salt of a dihydroxy aromatic compound with a bis(halophthalimide) composition comprising, based on the weight of the bis(halophthalimide) composition, from more than 45 to less than 75 weight percent of a 3,3′-bis(halophthalimide), less than 10 weight percent of a 3,4′-bis(halophthalimide), and from more than 45 to less than 75 weight percent of a (4,4′-bis(halophthalimide.
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