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    • 1. 发明申请
    • Liquid crystal compositions and polymer networks derived therefrom
    • 从其衍生的液晶组合物和聚合物网络
    • US20070267599A1
    • 2007-11-22
    • US11731290
    • 2007-03-30
    • Marc GoldfingerJose Rodriguez-ParadaLee SilvermanKai Qi
    • Marc GoldfingerJose Rodriguez-ParadaLee SilvermanKai Qi
    • C09K19/52C07D307/02C08F218/02
    • C07D493/04C09K19/3405C09K19/588C09K2019/0448C09K2019/3408
    • The invention relates to compounds of formula (I): wherein R1 and R2 are each independently selected from the group: H, F, Cl and CH3; n1 and n2 are each independently integers 3 to 20; q and r are each independently integers 0, 1 or 2, with the proviso that q+r is ≧1; D is a divalent chiral radical selected from the group: wherein R3 is a C1 to C6 straight or branched chain alkyl group; and each B1 and B2 is a divalent radical independently selected from the group: R4-substituted-1,4-phenyl, wherein R4 is H, —CH3 or —OCH3; 2,6-naphthyl; and 4,4′-biphenyl; with the provisos that when q+r=3, at least one of B1 and B2 is R4-substituted-1,4-phenyl; and when q+r=4, at least two of B1 and B2 are R4-substituted-1,4-phenyl. The invention further relates to liquid crystal compositions comprising compounds of formula (I) and polymer networks derived from the polymerization of the liquid crystal compositions.
    • 本发明涉及式(I)化合物:其中R 1和R 2各自独立地选自H,F,Cl和CH 3 n1和n2各自独立地为3〜20的整数。 q和r各自独立地为0,1或2的整数,条件是q + r为> = 1; D是选自以下的二价手性基团:其中R 3是C 1至C 6直链或支链烷基; 并且每个B 1和B 2是独立地选自以下的二价基团:R 4 - 取代的-1,4-苯基,其中 R 4是H,-CH 3或-OCH 3 3; 2,6-萘基; 和4,4'-联苯; 条件是当q + r = 3时,B 1和B 2中的至少一个是R 4 - 取代-1,4 苯基; 当q + r = 4时,B 1和B 2中的至少两个为R 4 - 取代-1,4-苯基。 本发明还涉及包含式(I)化合物和衍生自液晶组合物聚合的聚合物网络的液晶组合物。