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    • 6. 发明授权
    • Liquid crystal polymers
    • 液晶聚合物
    • US6099752A
    • 2000-08-08
    • US66326
    • 1998-04-29
    • Alan William HallDavid LaceyIan Charles SageKeith Moray BlackwoodMichelle Jones
    • Alan William HallDavid LaceyIan Charles SageKeith Moray BlackwoodMichelle Jones
    • C08G61/00C09K19/38C09K19/42C09K19/30G02F1/13
    • C09K19/3833C08G61/00C09K19/3895
    • Compounds of formula ##STR1## are provided which may be used in a variety of devices including liquid crystal devices, piezoelectric devices, pyroelectric devices and in optical recording media, wherein X.sub.1 and X.sub.2 are independently selected from H, CN, COCH.sub.3, CO.sub.2 CH.sub.3, m=at least 5; X.sub.3 and X.sub.4 are independently selected from formula (IA), ##STR2## wherein Y is selected from COO, OCO, O, S, CHOH, CHF, CH.sub.2 ; Q=(CH.sub.2).sub.n wherein one or more non-adjacent methylenes may be replaced by O and n=1-20; Z is selected from O, S, single covalent bond, COO, OCO; when Y is CH2 then n may also be O; formula (A) ##STR3## represents any mesogenic group; X3 and X.sub.4 are also independently selected from H, OH, OCOR.sup.1, COOH, CO.sub.2 R.sup.1 (CH.sub.2).sub.p OH, (CH.sub.2).sub.p CO.sub.2 H, --(CH.sub.2).sub.p OR.sup.1 or --(CH.sub.2).sub.p CO.sub.2 R.sup.1 and p=1-20, R.sup.1 =H or C.sub.1=16 alkyl, when R.sup.1 =C.sub.2-16 alkyl the terminal Ch.sub.3 group may be replaced by Br or Cl; provided that at least one of X3 and X4 is selected from formula (IA).
    • PCT No.PCT / GB96 / 02650 Sec。 371日期:1998年4月29日 102(e)1998年4月29日PCT PCT 1996年10月31日PCT公布。 出版物WO97 / 16441 日期:1997年5月9日提供了可用于液晶装置,压电装置,热电装置和光学记录介质的各种装置的化合物,其中X1和X2独立地选自H,CN,COCH 3,CO 2 CH 3, m =至少5; X 3和X 4独立地选自式(IA),其中Y选自COO,OCO,O,S,CHOH,CHF,CH 2; Q =(CH 2)n,其中一个或多个不相邻亚甲基可被O代替,n = 1-20; Z选自O,S,单共价键,COO,OCO; 当Y是CH2时,n也可以是O; 式(A)表示任何介晶组; X3和X4也独立地选自H,OH,OCOR1,COOH,CO2R(CH2)pOH,(CH2)pCO2H, - (CH2)pOR1或 - (CH2)pCO2R1和p = 1-20,R1 = H或C1 = 16个烷基,当R1 = C2-16烷基时,末端Ch3基团可被Br或Cl取代; 条件是X3和X4中的至少一个选自式(IA)。