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    • 37. 发明授权
    • Liquid crystals with (polysila) alkyl wing groups
    • 具有(聚酰)烷基翼组的液晶
    • US5399290A
    • 1995-03-21
    • US984599
    • 1992-12-02
    • Norman HaberleFranz-Heinrich KreuzerBenno KruegerIngo Zahn
    • Norman HaberleFranz-Heinrich KreuzerBenno KruegerIngo Zahn
    • C07F7/08C07F7/10C07J51/00C09K19/40C09K19/52G02F1/13
    • C07F7/0812C07F7/0818C07J51/00C09K19/406
    • A compound of the general formulaM--(CH.sub.2).sub.n --(O).sub.m --[--D--B--].sub.q --Y, (I)in which M represents a silicon radical having 2 to 5 silicon atoms which are linked together by bridging elements A, and the remaining valencies of the silicon atoms are saturated with radicals R; A is a bridging element selected from the group consisting of C.sub.1 - to C.sub.8 -alkylene radicals and oxygen with the proviso that at least one radical A per M radical is a C.sub.1 - to C.sub.8 -alkylene radical; R represents optionally fluorine or chlorine atom- or cyano group-substituted straight-chain C.sub.1 - to C.sub.10 -alkyl or C.sub.2 - to C.sub.10 -alkenyl radicals, branched chain C.sub.3 - to C.sub.10 -alkyl or C.sub.3 - to C.sub.10 -alkenyl radicals, optionally C.sub.1 - to C.sub.4 -alkyl- , C.sub.1 - to C.sub.4 -alkoxy radicals, fluorine, chlorine, bromine atom, cyano, trifluoromethyl or nitro radical substituted C.sub.6 - to C.sub.12 -cycloalkyl, C.sub.6 - to C.sub.12 -cycloalkenyl, C.sub.6 - to C.sub.12 -alkylcycloalkyl, C.sub.6 - to C.sub.12 -alkylcycloalkenyl, C.sub.6 - to C.sub.12 -aryl or C.sub.6 - to C.sub.12 -aralkyl radicals; n is an integer of from 3 to 12; m is 0 or 1; D represents isocyclic or heterocyclic saturated or unsaturated 5- or 6-membered rings; B represents a linking group selected from the group consisting of a chemical bond, a --COO--, --OOC--, --CH.sub.2 --CH.sub.2 --, --CH.dbd.CH--, --C.tbd.C--, --CH.dbd.N--, --N.dbd.CH--, --CH.sub.2 --O--, --O--CH.sub.2 -- and --N.dbd.N-- group; q is an integer of from 1 to 3; Y is a hydrogen atom or a straight-chain or branched chain C.sub.1 - to C.sub.10 -alkyl or C.sub.1 - to C.sub.10 -alkoxy group or a radical D which is provided with a hydrogen atom or substituted, in which 1 or 2 ring substituents may be C.sub.1 - to C.sub.4 -alkyl, C.sub.1 - to C.sub.4 -alkoxy radicals, fluorine, chlorine or bromine atoms, cyano, trifluoromethyl or nitro radicals, or a cholesteryl radical.These compounds are liquid crystals and can be employed alone or in admixture with other liquid crystals.
    • 通式M-(CH2)n-(O)m - [ - DB-] qY,(I)的化合物,其中M表示具有2至5个硅原子的硅基团,其通过桥连元件A连接在一起, 并且硅原子的剩余价数被基团R饱和; A是选自C 1至C 8 - 亚烷基和氧的桥连元件,条件是每个M基团的至少一个基团A是C 1至C 8 - 亚烷基; R表示任选的氟或氯原子或氰基取代的直链C 1至C 10 - 烷基或C 2至C 10 - 烯基,支链C 3至C 10 - 烷基或C 3至C 10 - 烯基,任选地C 1 C 1 -C 12烷基,C 1 -C 4烷氧基,氟,氯,溴原子,氰基,三氟甲基或硝基自由基取代的C 6至C 12环烷基,C 6至C 12环烯基,C 6至C 12烷基环烷基, C 6〜C 12 - 烷基环烯基,C 6〜C 12 - 芳基或C 6〜C 12 - 芳烷基; n为3〜12的整数, m为0或1; D表示环状或杂环饱和或不饱和的5-或6-元环; B表示选自化学键,-COO-,-OOC - , - CH 2 -CH 2 - , - CH = CH - , - C 3BOND C - , - CH = N - , - N = CH-,-CH 2 -O-,-O-CH 2 - 和-N = N-基团; q为1〜3的整数; Y是氢原子或直链或支链C 1至C 10烷基或C 1至C 10 - 烷氧基或被提供有氢原子或被取代的基团D,其中1或2个环取代基可以是 C 1至C 4 - 烷基,C 1至C 4 - 烷氧基,氟,氯或溴原子,氰基,三氟甲基或硝基,或胆甾醇基。 这些化合物是液晶,可单独使用或与其它液晶混合使用。
    • 39. 发明授权
    • Cyclosiloxanes containing mesogenic side groups
    • 含有MESOGENIC侧组的环硅氧烷
    • US5221759A
    • 1993-06-22
    • US728479
    • 1991-07-11
    • Norman HaeberleWolfgang HaasFranz-Heinrich Kreuzer
    • Norman HaeberleWolfgang HaasFranz-Heinrich Kreuzer
    • C07F7/21C09K19/40G02F1/13
    • C09K19/408C07F7/21
    • The present invention relates to cyclic siloxanes which have at least one group of formula (1) bonded to a silicon atom--(CH.sub.2).sub.x --R"--[--L--A--].sub.y --(L).sub.z --T (1),in which x is an integer having a value of at least 2, preferably having a value of from 2 to 10, R" is a chemical bond or a divalent radical of the formula --COO--, --OOC--, --CH.sub.2 --CH.sub.2 --, --CH.dbd.CH--, --C.tbd.C--, --N.dbd.N--, --N.dbd.N(O)--, --CH.dbd.N--, --N.dbd.CH--, --N.dbd.N--, --N.dbd.N(O)--, --N.dbd.CH--, --CH.dbd.N--, or --Si(R).sub.2 --, where the radical R is identical or different and is an optionally substituted hydrocarbon radical having from 1 to 18 carbon atoms, L which is the same or different represents the 1,4-phenylene or 1,4-cyclohexylene radicals which are optionally 2-, 3-, 5- and/or 6-substituted by at least one radical Q, Q is the same or different radical selected from hydrogen, fluorine or chlorine atoms or cyano, methyl or trifluoromethyl groups, A is the same or different and represents divalent radicals R" is a chemical bond or a divalent radical of the formula --CH.sub.2 --O--, or --O--CH.sub.2 --, y is an integer having a value of from 0 to 10, preferably from 0 to 2, z is an integer having a value of from 0 to 10, preferably from 0 to 2, with the proviso that the sum y+z is at least 1, and T is a cholesteryl radical or a substituted or unsubstituted hydrocarbon radical having from 1 to 18 carbon atoms, in which the substituents are preferably selected from the group consisting of halogen atoms, cyano groups, nitro groups, hydrocarbonoxy groups having from 1 to 10 carbon atoms and mixtures thereof.
    • 本发明涉及具有至少一个键合到硅原子 - (CH 2)x -R“ - [ - LA-] y-(L)zT(1)的式(1)的基团的环状硅氧烷,其中 x是值至少为2,优选为2至10的整数,R“为化学键或式-COO - , - OOC - , - CH 2 -CH 2 - , - -CH = CH - , - C 3BOND C - , - N = N - , - N = N(O) - , - CH = N - , - N = CH-,-N = O) - , - N = CH-,-CH = N-或-Si(R)2 - ,其中基团R相同或不同,为具有1至18个碳原子的任选取代的烃基,L 相同或不同,代表通过至少一个基团Q任选2-,3-,5-和/或6-取代的1,4-亚苯基或1,4-亚环己基,Q是相同或不同的基团 选自氢,氟或氯原子或氰基,甲基或三氟甲基,A相同或不同,表示二价基团R“为化学键或式-CH 2 -O-的二价基团, 或-O-CH 2 - ,y为0至10,优选0至2的整数,z为0至10,优选0至2的整数,条件是 和y + z至少为1,T为胆固醇基或具有1至18个碳原子的取代或未取代的烃基,其中取代基优选选自卤素原子,氰基,硝基 具有1至10个碳原子的烃氧基及其混合物。