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公开(公告)号：US10240002B2
公开(公告)日：2019-03-26
申请号：US15346876
申请日：2016-11-09
发明人： Hongkyoon Choi , Chanjae Ahn , Hyunjeong Jeon , Sang Soo Jee , Sungwon Choi , Sung Woo Hong , Byunghee Sohn
IPC分类号： C08G73/14 , B32B27/00 , C09D179/08 , C09J179/08 , C08G73/10
摘要： A poly(imide-amide) copolymer including a structural unit represented by Chemical Formula 1; a structural unit represented by Chemical Formula 2; and any one of a structural unit represented by Chemical Formula 3, an amic acid precursor of the structural unit represented by Chemical Formula 3, and a combination thereof; wherein a cured material of the poly(imide-amide) copolymer may have a tensile modulus of greater than or equal to about 5.5 GPa, and a yellowness index of less than or equal to about 5: 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：US09902814B2
公开(公告)日：2018-02-27
申请号：US15356952
申请日：2016-11-21
发明人： Hyunjeong Jeon , Sang Soo Jee , Hongkyoon Choi , Byunghee Sohn , Kyeong-Sik Ju
IPC分类号： C08G83/00
CPC分类号： C08G83/001 , C08K5/549 , C08L79/08 , C09D179/08 , H01L51/5253 , C08L83/04
摘要： A composition for preparing an organic/inorganic hybrid poly(amide-imide) copolymer including a poly(amide-imide) copolymer, a poly(amide-amic acid) copolymer, or a poly(amide-imide/amic acid) copolymer including a structural unit represented by Chemical Formula 1; and a structural unit represented by Chemical Formula 2, a structural unit represented by Chemical Formula 3, or a combination thereof, and a polyhedral oligomeric silsesquioxane including a functional group capable of forming a hydrogen bond: 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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公开(公告)号：US10689513B2
公开(公告)日：2020-06-23
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
IPC分类号： C08L79/08 , C08G73/10 , C08K3/105 , C08G69/32 , C09D179/08 , C08G73/06 , C08K5/00 , C08K3/16 , C08K3/28 , C08G73/14
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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