Liquid crystal polymers
    93.
    发明授权
    Liquid crystal polymers 失效
    液晶聚合物

    公开(公告)号:US5632929A

    公开(公告)日:1997-05-27

    申请号:US347373

    申请日:1994-12-06

    摘要: A novel LCP material based on forked side chain acrylates is disclosed having a general formula I; ##STR1## wherein W=H, CH.sub.3, Cl R.sub.1 and R.sub.2 may or may not be the same but have the following general structure: ##STR2## p=2 to 14; q=0 or 1;r=1 or 2;s=1 or 2;X=O, CO.sub.2, O.sub.2 C, CH.sub.2 ;Y=C.sub.2 H.sub.4, O, CO.sub.2, O.sub.2 C;Z=CN, halogen, R, CO.sub.2 R, OR, O.sub.2 CR, wherein R=chiral or achiral.

    摘要翻译: PCT No.PCT / GB93 / 01017 Sec。 371日期1994年12月6日第 102(e)日期1994年12月6日PCT提交1993年5月19日PCT公布。 公开号WO93 / 25633 日本1993年12月23日公开了一种基于叉状侧链丙烯酸酯的新型LCP材料,其具有通式I; 其中W = H,CH 3,Cl R 1和R 2可以相同也可以不相同,但具有以下通用结构:p = 2〜14; q = 0或1; r = 1或2; s = 1或2; X = O,CO 2,O 2 C,CH 2; Y = C2H4,O,CO2,O2C; Z = CN,卤素,R,CO 2 R,OR,O 2 CR,其中R =手性或非手性。

    Electrooptical liquid crystal system containing dual frequency liquid
crystal mixture
    94.
    发明授权
    Electrooptical liquid crystal system containing dual frequency liquid crystal mixture 失效
    含有双频液晶混合物的电光液晶体系

    公开(公告)号:US5621552A

    公开(公告)日:1997-04-15

    申请号:US199193

    申请日:1994-02-28

    CPC分类号: C09K19/544 G02F1/1334

    摘要: The invention relates to an electrooptical liquid crystal systemwhich contains a dual frequency liquid crystal mixture and a further optically transparent polymeric medium between two electrode layers which optionally may be attached to substrates,in which the ordinary refractive index of the liquid crystal mixture essentially agrees with the refractive index of the polymeric medium n.sub.m and/or in which the quotient of the mass of the liquid crystal mixture and of the mass of the polymeric medium is 1.5 or more,which has a reduced transmission in the on-state compared to the off-state, andwhich is obtained by polymerization of a composition containing the dual frequency liquid crystal mixture and a precursor of the polymeric medium,characterized in that an electrical field is applied during the curing process which exhibits a frequency below the cross-over frequency of the dual frequency liquid crystal mixture so that the molecules of the dual frequency liquid crystal mixture are aligned essentially into the direction of the electrical field.

    摘要翻译: PCT No.PCT / EP92 / 01872 Sec。 371日期1994年2月28日 102(e)日期1994年2月28日PCT提交1992年8月17日PCT公布。 出版物WO93 / 05436 日期1993年3月18日本发明涉及一种电光学液晶系统,其包含双频液晶混合物和两个电极层之间的另外的光学透明聚合物介质,其可任选地附着到基底上,其中液体的常规折射率 晶体混合物基本上与聚合物介质nm的折射率一致,和/或其中液晶混合物的质量和聚合物介质的质量的商为1.5或更大,其中, 状态,其是通过聚合包含双频液晶混合物和聚合物介质的前体的组合而获得的,其特征在于在固化过程期间施加电场,其表现出低于 双频液晶混合物的交叉频率使得双频液体的分子发生哭泣 大部分混合物基本上与电场方向排列。

    Light modulating material comprising polymer dispersed liquid crystals
    95.
    发明授权
    Light modulating material comprising polymer dispersed liquid crystals 失效
    包含聚合物分散液晶的光调制材料

    公开(公告)号:US5518654A

    公开(公告)日:1996-05-21

    申请号:US859737

    申请日:1992-06-12

    申请人: David Coates

    发明人: David Coates

    CPC分类号: C09K19/12 C09K19/544

    摘要: A light modulating material is disclosed, comprising a solid, light transmissive, polymeric matrix having dispersed within said matrix droplets of a liquid crystalline composition, wherein said composition is a mixture of at least 2 compounds, at least one of said compounds having general formula (I), where n is 1 or 2, the fluorine substituent(s) may be in any of the available substitution positions and R.sup.1 is C.sub.1-12 alkynyl, hydrogen, R, RO or RCO where R is alkyl or perfluoroalkyl and at least one other of said compounds having general formula (II), where m is 0 or 1 and R.sup.2 is hydrogen or C.sub.1-12 alkyl or alkoxy.

    摘要翻译: PCT No.PCT / GB90 / 01947 Sec。 371日期:1992年6月12日 102(e)日期1992年6月12日PCT 1990年12月13日PCT PCT。 公开号WO91 / 09092 日期:1991年6月27日。公开了一种光调制材料,其包含分散在液晶组合物的所述基质液滴内的固体,透光的聚合物基质,其中所述组合物是至少2种化合物,至少一种 的所述具有通式(I)的化合物,其中n为1或2,氟取代基可以是任何可用的取代位置,R 1是C 12-12炔基,氢,R,RO或RCO,其中R是 烷基或全氟烷基和至少另一个所述具有通式(II)的化合物,其中m为0或1,R 2为氢或C 1-12烷基或烷氧基。

    Electrooptical liquid crystal system
    97.
    发明授权
    Electrooptical liquid crystal system 失效
    电光液晶系统

    公开(公告)号:US5476611A

    公开(公告)日:1995-12-19

    申请号:US41422

    申请日:1993-03-31

    CPC分类号: C09K19/544 G02F1/1334

    摘要: An electrooptical system containing a PDLC film is disclosed. The precursor of the PDLC film comprises(a) 30-85 wt. % of a liquid crystal mixture containing one or more compounds of the formula I ##STR1## wherein R, Z.sup.1, Z.sup.2, A.sup.1, A.sup.2, X.sup.2, X.sup.2, Q, n and Y are as defined herein,(b) 15-68 wt. % of the precursor of the polymer matrix at least comprisinga component A containing at least 5 wt. % of one or more at least difunctional thiol monomers and/or oligomers,a component B containing at least 10 wt. % of one or more at least difunctional monomers and/or oligomers of the ene type,a component C containing at least 3 wt. % of one or more monofunctional monomers and/or oligomers of the ene type with a molar mass of less than 250 g/mol,optionally a component D containing polymerizable compounds other than ene-type or thiol-type compounds; and(c) 0.1-5 wt. % of a radical photoinitiator, with the mass ratios given under (a), (b) and (c) being related to the mass of the precursor of the PDLC film and the mass ratios of the components A, B and C relating to the mass of the precursor of the polymer matrix.

    摘要翻译: 公开了一种含有PDLC膜的电光系统。 PDLC膜的前体包含(a)30-85wt。 含有一种或多种式I的化合物的液晶混合物,其中R,Z 1,Z 2,A 1,A 2,X 2,X 2,Q,n和Y如本文所定义,(b)15-68重量% 。 所述聚合物基质的前体的%至少包含含有至少5wt。 %的一种或多种至少双官能的硫醇单体和/或低聚物,组分B含有至少10wt。 %的一种或多种至少双官能单体和/或烯类的低聚物,组分C含有至少3wt。 %的一种或多种单体官能单体和/或低聚物,其摩尔质量小于250g / mol,任选地含有除ene型或硫醇型化合物之外的可聚合化合物的组分D; 和(c)0.1-5wt。 自由基光引发剂的%,(a),(b)和(c)给出的质量比与PDLC膜的前体的质量和与组分A,B和C有关的组分A,B和C的质量比 质量的聚合物基质的前体。

    Polymeric composite material
    99.
    发明授权
    Polymeric composite material 失效
    聚合复合材料

    公开(公告)号:US5426009A

    公开(公告)日:1995-06-20

    申请号:US123870

    申请日:1993-09-17

    IPC分类号: C09K19/38 C09K19/54 C09K19/46

    CPC分类号: C09K19/38 C09K19/544

    摘要: The invention relates to a polymeric composite material which:is based on a liquid crystal polymer component,exhibits a high glass transition temperature of at least 60.degree. C. and a scattering texture when deposited as a thin film,can be rendered transparent by being heated above the glass transition temperature and/or clearing temperature, andis obtained by mixing a liquid crystal polymer component, a reactive liquid crystalline component, optionally a polymerization initiator component, and/or further additive components, with subsequent polymerization.

    摘要翻译: 本发明涉及一种聚合物复合材料,其基于液晶聚合物组分,表现出至少60℃的高玻璃化转变温度,并且当沉积为薄膜时具有散射结构,可通过加热而变得透明 高于玻璃化转变温度和/或清除温度,并且通过将液晶聚合物组分,反应性液晶组分,任选的聚合引发剂组分和/或其它添加剂组分混合并随后聚合而获得。

    Matrix liquid-crystal display
    100.
    发明授权
    Matrix liquid-crystal display 失效
    矩阵液晶显示

    公开(公告)号:US5384065A

    公开(公告)日:1995-01-24

    申请号:US754823

    申请日:1991-09-04

    摘要: The invention relates to a matrix liquid-crystal display based on the principle of electrically controlled birefringence, havingtwo plane-parallel outer plates, which, together with a frame, form a cell,integrated nonlinear elements for switching individual pixels on the outer plates,a nematic liquid-crystal mixture of negative dielectric anisotropy and high specific resistance which is located in the cell,electrode layers covered by alignment layers on the insides of the outer plates, anda tilt angle between the longitudinal axis of the molecules at the surface of the outer plates and the outer plates of from about 85 degrees to 95 degrees,in which the nematic liquid-crystal mixture contains at least one compound which contains a structural element of the formula 1, 2 or 3 ##STR1## and to a process for the production thereof and to the nematic liquid-crystal mixture it contains.

    摘要翻译: 本发明涉及一种基于电控双折射原理的矩阵液晶显示器,具有两个平面平行的外板,其与框架一起形成一个单元,用于切换外板上的各个像素的集成的非线性元件, 位于电池中的负介电各向异性和高电阻率的向列型液晶混合物,外板内侧由取向层覆盖的电极层和表面的分子纵轴之间的倾斜角 所述外板和所述外板为约85度至95度,其中所述向列型液晶混合物含有至少一种化合物,所述化合物含有式1,2或3的结构元素, 它含有水晶混合物。