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公开(公告)号：US20210253796A1
公开(公告)日：2021-08-19
申请号：US17246926
申请日：2021-05-03
发明人： A Ra JO , Chanjae AHN , Sungwon CHOI , Won Suk CHANG , Boreum JEONG
摘要： A poly(amide-imide) copolymer that is a reaction product of a substituted or unsubstituted linear aliphatic diamine including two terminals, a diamine represented by Chemical Formula 1, a dicarbonyl compound represented by Chemical Formula 2, and a tetracarboxylic acid dianhydride represented by Chemical Formula 3: wherein, in Chemical Formulae 1 to 3, A, R3, R10, R12, R13, X, n7 and n8 are the same as defined in the specification.
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公开(公告)号：US20180113350A1
公开(公告)日：2018-04-26
申请号：US15789695
申请日：2017-10-20
发明人： Sang Soo JEE , Sun Jin SONG , Chanjae AHN , Sungwon CHOI
IPC分类号： G02F1/1333 , C08G73/14 , C08K5/5419 , C08L79/08
CPC分类号： G02F1/133305 , C08G73/14 , C08J7/047 , C08J2379/08 , C08J2483/06 , C08K5/5419 , C08L79/08 , C09D183/06
摘要： A flexible plastic substrate includes a film including a poly(amide-imide) copolymer; and a hard coating layer disposed on a first surface of the film, wherein the hard coating layer includes a crosslinked siloxane copolymer, and wherein the flexible plastic substrate has pencil hardness of greater than or equal to 2H under a vertical load of 1 kilogram according to ASTM D3363, a total light transmittance of greater than or equal to about 89% in a wavelength region of 350 nanometers to 750 nanometers.
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公开(公告)号：US20170121460A1
公开(公告)日：2017-05-04
申请号：US15341318
申请日：2016-11-02
发明人： Sung Woo HONG , Chanjae AHN , Hyunjeong JEON , Sang Soo JEE , Hongkyoon CHOI , Byunghee SOHN , Sungwon CHOI
IPC分类号： C08G73/14
CPC分类号： C08G73/14 , C08G73/1028 , C08G73/1039 , C08G73/1042 , C08G73/1067
摘要： A poly(imide-amide) copolymer, which is a product of a reaction between a diamine including an amide structural unit-containing oligomer represented by Chemical Formula 1 and a dianhydride represented by Chemical Formula 3: wherein, groups and variables in Chemical Formulae 1 and 3 are the same as described in the specification.
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4.发明申请POLY(IMIDE-AMIDE) COPOLYMER, ARTICLE CONTAINING POLY(IMIDE-AMIDE) COPOLYMER, AND DISPLAY DEVICE INCLUDING SAME 有权聚（酰胺）共聚物，含有聚（酰胺）共聚物的制品，以及包括其的显示装置公开(公告)号：US20160222166A1
公开(公告)日：2016-08-04
申请号：US14741959
申请日：2015-06-17
发明人： Chanjae AHN , Sungwon CHOI , Sungwoo HONG , Byunghee SOHN , Sun Jin SONG , Kyeong-sik JU
IPC分类号： C08G73/14
CPC分类号： C08G73/14 , C08G73/1039
摘要： A poly(amide-imide) copolymer including a structural unit represented by Chemical Formula 1; a structural unit represented by Chemical Formula 2, and/or an amic acid precursor structural unit which forms the structural unit represented by Chemical Formula 2 through imidization; and a structural unit represented by Chemical Formula 3, and/or an amic acid precursor structural unit which forms the structural unit represented by Chemical Formula 3 through imidization, wherein the poly(amide-imide) copolymer has a modulus of greater than or equal to about 5.5 giga Pascals after being cured, a yellowness index YI of less than or equal to about 3.5, and an increase in yellowness index ΔYI of less than or equal to about 0.7 after being exposed to ultraviolet light for 72 hours: wherein in Chemical Formulae 1 to 3, groups and variables are the same as described in the specification.
摘要翻译： 包含由化学式1表示的结构单元的聚酰胺 - 酰亚胺共聚物; 由化学式2表示的结构单元和/或通过酰亚胺化形成由化学式2表示的结构单元的酰胺酸前体结构单元; 和由化学式3表示的结构单元和/或通过酰亚胺化形成由化学式3表示的结构单元的酰胺酸前体结构单元，其中聚（酰胺 - 酰亚胺）共聚物的模量大于或等于 固化后约5.5千兆帕斯卡，黄色指数YI小于或等于约3.5，黄色指数ΔYI在暴露于紫外线72小时后增加小于或等于约0.7：其中化学式 如图1至图3所示，组和变量与说明书中描述的相同。
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公开(公告)号：US20200223983A1
公开(公告)日：2020-07-16
申请号：US16837193
申请日：2020-04-01
发明人： Sung Woo HONG , Chanjae AHN , Hyunjeong JEON , Sang Soo JEE , Hongkyoon CHOI , Byunghee SOHN , Sungwon CHOI
摘要： A poly(imide-amide) copolymer, which is a product of a reaction between a diamine including an amide structural unit-containing oligomer represented by Chemical Formula 1 and a dianhydride represented by Chemical Formula 3: wherein, groups and variables in Chemical Formulae 1 and 3 are the same as described in the specification.
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公开(公告)号：US20190077916A1
公开(公告)日：2019-03-14
申请号：US16126250
申请日：2018-09-10
发明人： A Ra JO , Chanjae AHN , Sungwon CHOI , Won Suk CHANG , Boreum JEONG
摘要： A poly(amide-imide) copolymer that is a reaction product of a substituted or unsubstituted linear aliphatic diamine including two terminals, a diamine represented by Chemical Formula 1, a dicarbonyl compound represented by Chemical Formula 2, and a tetracarboxylic acid dianhydride represented by Chemical Formula 3: wherein, in Chemical Formulae 1 to 3, A, R3, R10, R12, R13, X, n7 and n8 are the same as defined in the specification.
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7.发明申请公开(公告)号：US20180355108A1
公开(公告)日：2018-12-13
申请号：US16003651
申请日：2018-06-08
发明人： A Ra JO , Chanjae AHN , Sungwon CHOI , Sun Jin SONG , Boreum JEONG , Won Suk CHANG
CPC分类号： C08G73/1067 , C08J5/18 , C08J2379/08 , G02F1/133305
摘要： A film comprising a polyimide or poly(imide-amide) copolymer, wherein the film has an amplitude of a surface roughness curve of less than or equal to 270 nanometers.
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公开(公告)号：US20170218200A1
公开(公告)日：2017-08-03
申请号：US15419019
申请日：2017-01-30
发明人： Chanjae AHN , Sungwon CHOI , Byunghee SOHN , A Ra JO , Kyeong-sik JU , Sang Soo JEE , Hongkyoon CHOI
摘要： A composition for preparing an article including a polyimide or poly(imide-amide) copolymer, the composition including (1) a solution including at least one of (i) a polymer including at least one selected from a structural unit represented by Chemical Formula 1 and a structural unit represented by Chemical Formula 2; and (ii) a copolymer including at least one selected from a structural unit represented by Chemical Formula 1 and a structural unit represented by Chemical Formula 2, and a structural unit represented by Chemical Formula 3, and (2) a metallic salt soluble in the solution of the polymer and/or the copolymer, wherein the metallic salt is a salt of a metal selected from a Group 1 element, a Group 11 element, a Group 13 element, and a Group 14 element: wherein in Chemical Formulae 1 to 3, A, B, D, and E are the same as defined in the detailed description.
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9.发明申请公开(公告)号：US20180305545A1
公开(公告)日：2018-10-25
申请号：US15958549
申请日：2018-04-20
发明人： Chanjae AHN , Jungha CHAE , Won Suk CHANG , A Ra JO , Sang Soo JEE , Sungwon CHOI
CPC分类号： C08L79/08 , C08G73/1007 , C08G73/1039 , C08G73/1042 , C08G73/1078 , C08G73/14 , C08J5/18 , C08J2379/08 , C08L2203/16 , C08L2203/20
摘要： A poly(amide-imide) copolymer including a reaction product of at least one tetracarboxylic acid dianhydride, at least one diamine, and at least one dicarboxylic acid derivative, wherein the at least one tetracarboxylic acid dianhydride includes a tetracarboxylic acid dianhydride represented by Chemical Formula 1, the at least one diamine includes a diamine represented by Chemical Formula 2, and the at least one dicarboxylic acid derivative includes a dicarboxylic acid derivative represented by Chemical Formula 3: wherein, R1 to R3, X1 and X2 are the same as defined in the specification.
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公开(公告)号：US20180230278A1
公开(公告)日：2018-08-16
申请号：US15656376
申请日：2017-07-21
发明人： Sunghyun HAN , Chanjae AHN , Won Suk CHANG , A Ra JO , Sungwon CHOI
CPC分类号： C08J5/18 , C08G73/1039 , C08G73/1042 , C08G73/1067 , C08G73/1078 , C08G73/14 , C08J2379/08 , G01N3/42 , G01N3/44 , G01N2203/0091 , G01N2203/0282
摘要： A polyimide film, which is a reaction product of a diamine including an amide structural unit in an amount of greater than about 0 mol % and less than or equal to about 80 mol % and an aromatic dianhydride, wherein the polyimide film has a Martens hardness of about 14 N/mm2 to about 120 N/mm2 at a thickness of about 30 μm to about 100 μm.
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