Liquid crystal polymers
    1.
    发明授权
    Liquid crystal polymers 失效
    液晶聚合物

    公开(公告)号:US5773179A

    公开(公告)日:1998-06-30

    申请号:US894616

    申请日:1997-10-22

    摘要: Materials of formula (I) are provided, wherein X.sub.1 -X.sub.5 are independently selected from H, F, Cl, NO.sub.2, CF.sub.3, OR, R, SR, .paren open-st.CO-- or .paren open-st.CO-- where R is C.sub.1-15 branched or straight chain alkyl; provided that one of X.sub.1 -X.sub.5 is selected from .paren open-st.CO-- or .paren open-st.OC--; p is at least 2; W=single bond, phenyl, fluorinated phenyl, .dbd., .tbd., cyclohexyl, thiophene, CO, OC; T.sub.1, T.sub.2, T.sub.3, T.sub.4 are independently selected from H, F, Cl, NO.sub.2, CF.sub.3, OR, R, SR, where R is C.sub.1-15 branched or straight chain alkyl; g=0 or 1; X is selected from CO.sub.2 and OOC; n is selected from 1-5; m is selected from 1-20, Y is selected from O, S, CH.sub.2, CO.sub.2, OOC; Q is CH.sub.2 and when m is greater than 1 then non-adjacent CH.sub.2 groups may be substituted by O or S; rings A, B and C are independently selected from phenyl, cyclohexyl and pyrimidine and may be independently of each other substituted with at least one of Cl or F; linking groups A and B may be selected from single bond CO.sub.2, OOC provided that if ring B is not present then at least one of A or B is a single bond; Z is selected from CN, F, Cl, NO.sub.2, R, OR, CO.sub.2 R, CF.sub.3, OOCR, NCS, SCN, where R=straight chain or branched chain alkyl and may include from 1-16 carbon atoms and including where one or more non-adjacent CH.sub.2 groups may be substituted by CH(CN), CH(CF.sub.3), CH(Cl), CH(CH.sub.3) in chiral or non-chiral form.

    摘要翻译: PCT No.PCT / GB96 / 03121 Sec。 371日期1997年10月22日第 102(e)日期1997年10月22日PCT 1996年12月18日PCT PCT。 公开号WO97 / 23541 日期1997年7月3日提供式(I)的材料,其中X1-X5独立地选自H,F,Cl,NO2,CF3,OR,R,SR,+545CO-或+545CO-,其中R是 C1-15支链或直链烷基; 条件是X1-X5中的一个选自+545个CO-或+545个OC-; p至少为2; W =单键,苯基,氟化苯基,=,3BOND,环己基,噻吩,CO,OC; T 1,T 2,T 3,T 4独立地选自H,F,Cl,NO 2,CF 3,OR,R,SR,其中R是C 1-15支链或直链烷基; g = 0或1; X选自CO2和OOC; n选自1-5; m选自1-20,Y选自O,S,CH 2,CO 2,OOC; Q是CH 2,当m大于1时,不相邻的CH 2基可被O或S取代; 环A,B和C独立地选自苯基,环己基和嘧啶,并且可以彼此独立地被Cl或F中的至少一个取代; 连接基团A和B可以选自单键CO 2,OOC,条件是如果环B不存在,则A或B中的至少一个是单键; Z选自CN,F,Cl,NO 2,R,OR,CO 2 R,CF 3,OOCR,NCS,SCN,其中R =直链或支链烷基,并且可以包括1-16个碳原子,并且包括其中一个或多个 不相邻的CH 2基团可以被手性或非手性形式的CH(CN),CH(CF 3),CH(Cl),CH(CH 3)取代。