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    • 10. 发明申请
    • SOLVENT SOLUBLE POLYIMIDE COPOLYMER
    • 溶剂型可溶性聚酰亚胺共聚物
    • US20160159985A1
    • 2016-06-09
    • US14897511
    • 2014-04-17
    • SOMAR CORPORATION
    • Yoshiyasu TAKIUE
    • C08G73/10
    • C08G73/1067C08G73/1042C08G73/105C08G73/1064C08G73/1071C09D179/08C09J179/08
    • 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).
    • 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。