公开(公告)号：US20160168328A1

公开(公告)日：2016-06-16

申请号：US14903506

申请日：2014-07-07

Applicant: SOMAR CORPORATION

Inventor： Yoshiyasu TAKIUE

IPC: C08G73/10

CPC classification number: C08G73/1028 ,  C08G73/1039 ,  C08G73/1042 ,  C08G73/105 ,  C08G73/1053 ,  C08G73/1064 ,  C08G73/1067 ,  C08G73/1071 ,  C09D179/08

Abstract: Provided are: a transparent polyimide copolymer which satisfies solvent solubility, storage stability, heat resistance, mechanical strength and thermal yellowing resistance at high levels and has excellent utility; a polyimide resin composition; a molded article; and a production method of the copolymer. The transparent polyimide copolymer is obtained by copolymerizing: (A) 4,4′-oxydiphthalic dianhydride and/or 2,2-bis(3,4-dicarboxyphenyl)hexafluoropropane dianhydride; and (B) at least one diamine and/or diisocyanate represented by the following Formulae (1) to (3): (wherein, X represents an amino group or an isocyanate group; R1 to R8 each independently represent a hydrogen atom, an alkyl group having 1 to 4 carbon atoms, an alkenyl group having 2 to 4 carbon atoms or an alkoxy group having 1 to 4 carbon atoms; and at least one of the R1 to R8 is not a hydrogen atom).

Abstract translation: 提供：透明聚酰亚胺共聚物，其高溶解度，保存稳定性，耐热性，机械强度和耐黄变性高，具有优异的用途; 聚酰亚胺树脂组合物; 模制品; 和共聚物的制造方法。 透明聚酰亚胺共聚物通过以下方法获得：（A）4,4'-氧联二邻苯二甲酸二酐和/或2,2-双（3,4-二羧基苯基）六氟丙烷二酐; 和（B）由下式（1）至（3）表示的至少一种二胺和/或二异氰酸酯：（其中X表示氨基或异氰酸酯基; R 1至R 8各自独立地表示氢原子， 具有1至4个碳原子的基团，具有2至4个碳原子的烯基或具有1至4个碳原子的烷氧基;并且R 1至R 8中的至少一个不是氢原子）。

公开(公告)号：US20160083521A1

公开(公告)日：2016-03-24

申请号：US14785273

申请日：2014-04-17

Applicant: SOMAR CORPORATION

Inventor： Yoshiyasu TAKIUE

IPC: C08G73/10

CPC classification number: C08G73/1085 ,  C08G73/1042 ,  C08G73/105 ,  C08G73/1064 ,  C08G73/1067 ,  C08G73/1071 ,  C09D179/08

Abstract: The present invention provides: a polyimide copolymer which satisfies solvent solubility, storage stability and heat resistance at high levels and has excellent utility; and a method of producing the same. The polyimide copolymer is obtained by copolymerizing an oligomer of polyimide copolymer, which is obtained by copolymerizing (A) a pyromellitic dianhydride and (B) at least one diamine and/or diisocyanate represented by the following Formula (1) or (2): (wherein, X represents an amino group or an isocyanate group; R1 to R4 each independently represent a hydrogen atom, an alkyl group having 1 to 4 carbon atoms, an alkenyl group having 2 to 4 carbon atoms or an alkoxy group having 1 to 4 carbon atoms; and at least one of the R1 to R4 is not a hydrogen atom), with (C) second acid dianhydride different from the (A).

Abstract translation: 本发明提供了一种满足溶剂溶解性，保存稳定性和耐热性高，效果好的聚酰亚胺共聚物。 及其制造方法。 聚酰亚胺共聚物通过共聚（A）1,2,4,5-苯四酸二酐与（B）至少一种由下式（1）或（2）表示的二胺和/或二异氰酸酯得到的聚酰亚胺共聚物的低聚物而获得：（ 其中，X表示氨基或异氰酸酯基; R 1〜R 4各自独立地表示氢原子，碳原子数1〜4的烷基，碳原子数2〜4的烯基或碳原子数为1〜4的烷氧基 原子;且R 1至R 4中的至少一个不是氢原子），与（C）不同于（A）的第二酸二酐。

公开(公告)号：US20160159985A1

公开(公告)日：2016-06-09

申请号：US14897511

申请日：2014-04-17

Applicant: SOMAR CORPORATION

Inventor： Yoshiyasu TAKIUE

IPC: C08G73/10

CPC classification number: C08G73/1067 ,  C08G73/1042 ,  C08G73/105 ,  C08G73/1064 ,  C08G73/1071 ,  C09D179/08 ,  C09J179/08

Abstract: Provided is a solvent-soluble polyimide copolymer which satisfies storage stability and heat resistance at high levels and has excellent utility. The polyimide copolymer is obtained by copolymerizing (A) 3,3′,4,4′-biphenyltetracarboxylic dianhydride with (B) diamine(s) and/or diisocyanate(s) and has no glass transition temperature observed at lower than 500° C. The component (B) is preferably at least one diamine and/or diisocyanate represented by the following Formulae (1) to (3): (wherein, X represents an amino group or an isocyanate group; R1 to R8 each independently represent a hydrogen atom, an alkyl group having 1 to 4 carbon atoms, an alkenyl group having 2 to 4 carbon atoms or an alkoxy group having 1 to 4 carbon atoms; and at least one of the R1 to R8 is not a hydrogen atom).

Abstract translation: 提供了一种溶剂可溶性聚酰亚胺共聚物，其具有高水平的储存稳定性和耐热性，并且具有优异的用途。 聚酰亚胺共聚物通过（A）3,3'，4,4'-联苯四羧酸二酐与（B）二胺和/或二异氰酸酯共聚得到，并且在低于500℃下没有观察到玻璃化转变温度 组分（B）优选为由下式（1）至（3）表示的至少一种二胺和/或二异氰酸酯：（其中X表示氨基或异氰酸酯基; R 1至R 8各自独立地表示氢 原子，碳原子数为1〜4的烷基，碳原子数2〜4的烯基或碳原子数为1〜4的烷氧基，R 1〜R 8中的至少1个为氢原子。

公开(公告)号：US20160137788A1

公开(公告)日：2016-05-19

申请号：US14897495

申请日：2014-04-17

Applicant: SOMAR CORPORATION

Inventor： Yoshiyasu TAKIUE

IPC: C08G73/10 ,  C08G75/23 ,  C08G75/20

CPC classification number: C08G73/1042 ,  C08G73/1028 ,  C08G73/105 ,  C08G73/1064 ,  C08G73/1067 ,  C08G73/1071 ,  C08G73/16 ,  C08G75/20 ,  C08G75/23 ,  C09D179/08 ,  C09J179/08

Abstract: Provided are: an oligomer of polyimide copolymer which is an intermediate of a polyimide copolymer having excellent utility and satisfying solvent solubility, storage stability and heat resistance at high levels; a polyimide copolymer obtained therefrom; and their production methods. The oligomer of polyimide copolymer and the polyimide copolymer are obtained by copolymerizing (A) 3,3′,4,4′-biphenyltetracarboxylic dianhydride and/or 3,3′,4,4′-diphenylsulfonetetracarboxylic dianhydride with (B) at least one diamine and/or diisocyanate represented by the following Formulae (1) to (3): (wherein, X represents an amino group or an isocyanate group; R1 to R8 each independently represent a hydrogen atom, an alkyl group having 1 to 4 carbon atoms, an alkenyl group having 2 to 4 carbon atoms or an alkoxy group having 1 to 4 carbon atoms; and at least one of the R1 to R8 is not a hydrogen atom).

Abstract translation: 提供：作为聚酰亚胺共聚物的中间体的聚酰亚胺共聚物的低聚物，其效用优异，溶剂溶解性良好，保存稳定性高，耐热性高。 由其获得的聚酰亚胺共聚物; 及其生产方式。 聚酰亚胺共聚物的低聚物和聚酰亚胺共聚物通过将（A）3,3'，4,4'-联苯四羧酸二酐和/或3,3'，4,4'-二苯基磺酸四羧酸二酐与（B）至少一种 由下式（1）〜（3）表示的二胺和/或二异氰酸酯：（式中，X表示氨基或异氰酸酯基; R 1〜R 8各自独立地表示氢原子，碳原子数1〜4的烷基 具有2至4个碳原子的烯基或具有1至4个碳原子的烷氧基;并且至少一个R 1至R 8不是氢原子）。