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    • 46. 发明申请
    • Fluorene derivatives and their polymers
    • 芴衍生物及其聚合物
    • US20030203128A1
    • 2003-10-30
    • US10317093
    • 2002-12-12
    • Ryushi Shundo
    • C09K019/32C09K019/38
    • C09K19/3861C09K19/32C09K2019/0448Y10T428/10Y10T428/1005
    • Provided are a fluorene derivative represented by Formula (1) and a polymer thereof: 1 wherein at least one of A1, A2 and A3 is a group represented by Formula (2), and the others are 1,4-cyclohexylene, 1,4-cyclohexenylene, 1,4-phenylene, pyridine-2,5-diyl, pyridazine-3,6-diyl, pyrimidine-2,5-diyl or dioxane-2,5-diyl; m, n and p are independently 0 or 1; R1 is nullCN, nullCF3, nullCF2H, nullCFH2, nullOCF3, nullOCF2H, nullNnullCnullO, nullNnullCnullS, nullF, nullCl, or alkyl in which one hydrogen may be replaced by (meth)acryloyloxy or vinyloxy and optional nullCH2null may be replaced by nullOnull, nullSnull, nullCF2null, nullCHnullCHnull, nullCOOnull, nullOCOnull or nullCOnull; R2 is hydrogen or methyl; Z1 to Z3 are independently a single bond, nullOnull, nullCOOnull, nullOCOnull, nullCF2Onull, nullOCF2null, nullCH2Onull, nullOCH2null, nullCH2CH2null, null(CH2)4null, nullCHnullCHnull, nullCFnullCFnull or nullCnullCnull; q is an integer of 0 to 10; and r is 0 or 1: 2 wherein two X1's are independently hydrogen, fluorine or alkyl.
    • 提供式(1)表示的芴衍生物及其聚合物:其中A 1,A 2和A 3中的至少一个为式(2)所示的基团,其余为1 ,4-亚环己基,1,4-亚环己烯基,1,4-亚苯基,吡啶-2,5-二基,哒嗪-3,6-二基,嘧啶-2,5-二基或二恶烷-2,5-二基。 m,n和p独立地为0或1; R 1是-CN,-CF 3,-CF 2 H,-CFH 2,-OCF 3,-OCF 2 H,-N = C = O,-N = C = S,-F,-Cl或其中一个氢 被(甲基)丙烯酰氧基或乙烯氧基代替,任选的-CH 2 - 可以被-O - , - S - , - CF 2 - , - CH = CH-,-COO-,-OCO-或-CO-代替; R 2是氢或甲基; Z 1至Z 3独立地为单键,-O - , - COO - , - OCO - , - CF 2 O - , - OCF 2 - , - CH 2 O - , - OCH 2 - , - CH 2 CH 2 - )4-,-CH = CH-,-CF = CF-或-C = C-; q是0〜10的整数; 并且r为0或1:其中两个X 1独立地为氢,氟或烷基。
    • 48. 发明申请
    • Fluorinated cyclopenta[b]naphthalenes and their use in liquid-crystal mixtures
    • 氟化环戊二烯并[b]萘及其在液晶混合物中的应用
    • US20030091756A1
    • 2003-05-15
    • US10241881
    • 2002-09-12
    • Clariant International Ltd.
    • Barbara HornungWolfgang SchmidtRainer Wingen
    • C09K019/32C07C025/00C07C022/00
    • C09K19/32C07C25/22C07C25/24Y10T428/10
    • The invention relates to compounds of the formula (I) and also liquid-crystal mixtures comprising these compounds, and their use in liquid-crystal displays: 1 in which R1 is H, F, CF3, OCF3, OCF2H, OCFH2, an alkyl radical or alkyloxy radical or an alkenyl radical or alkenyloxy radical, R2 is H, an alkyl radical or alkyloxy radical or an alkenyl radical or alkenyloxy radical, M1 and M2 are nullC(nullO)Onull, nullOC(nullO)null, nullCH2Onull, nullOCH2null, nullOCF2null, nullCF2Onull, nullCnullCnull, nullCH2CH2null, nullCF2CF2null, nullCFnullCFnullC(nullO)Onull or a single bond A1 and A2 are null-1,4-diyl, unsubstituted or mono- or disubstituted by F; where null is: phenylene cyclohexane, 1-cyclohexene, or 1,3-dioxane-2,5-diyl m and n are zero or 1; mnullnnull0 or 1 L1, L2, L3, L4 and L5 are H or F.
    • 本发明涉及式(I)化合物以及包含这些化合物的液晶混合物及其在液晶显示器中的应用:其中R1是H,F,CF3,OCF3,OCF2H,OCFH2,烷基或 烷氧基或链烯基或烯氧基,R2是H,烷基或烷氧基或烯基或烯氧基,M1和M2是-C(= O)O-,-OC(= O) - , - CH 2 O-,-OCH 2 - , - OCF 2 - , - CF 2 O-,-C = C - , - CH 2 CH 2 - , - C 2 CF 2 - , - CF = CF-C(= O)O-或单键A1和A2是α -1,4-二基,未被取代或被F单或二取代; 其中α为:亚苯基环己烷,1-环己烯或1,3-二恶烷-2,5-二基,m为0或1; m + n = 0或1 L1,L2,L3,L4和L5为H或F.