发明名称 Liquid crystal polymers
摘要 Methods, based on the Wittig-Horner reaction, are provided for the synthesis of compounds of formula (I) where m is from 5-150, X and Y are independently selected from: CN, H, OH, COCH3, CO2H, CO2H, CO2R1, where R1 is C1-12 alkyl, NCS, SCN, CF3, CH2X where X is F, Cl, Br, OH, CHF2 and formula (IB), where J for each X and Y group is independently selected from: CH2, single covalent bond, OOC, CO2, O, CH2O, OCH2, CH2CO2, CH2OOC; p=1-20; L for each X and Y group is independently selected from: O, CH2OCO, CO2, S, NH; (a) is defined by formula (IC), where rings A, B and C are independently selected from phenyl, cyclohexyl, pyridine 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, CO2, OOC, CH2O, OCH2, CH2CH2, C=C; Z is selected from CN, F, Cl, NO2, R, OR, CO2R, CF3, 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 CH2 groups may be substituted by CH(CN), CH(CF3), CH(Cl), CH(CH3) in chiral or non-chiral form; provided that at least one of X and Y is selected from (IB); the method polymerizing a compound of general formula (II), where X and Y are defined as formula (I).
申请公布号 US6180024(B1) 申请公布日期 2001.01.30
申请号 US19990254073 申请日期 1999.02.26
申请人 THE SECRETARY OF STATE FOR DEFENCE IN HER BRITANNIC MAJESTY'S GOVERNMENT OF THE UNITED KINGDOM OF GREAT BRITAIN AND NORTHERN IRELAND 发明人 BLACKWOOD KEITH M;JONES MICHELLE;LACEY DAVID;HALL ALAN W;TOYNE KENNETH J;PRINGLE STEVEN
分类号 G02F1/13;C08F16/26;C08F18/04;C08F20/10;C08F246/00;C08L29/10;C09K19/38;(IPC1-7):C09K19/52;C09K19/12;C09K19/34 主分类号 G02F1/13
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