Circular UV polarizer
    81.
    发明授权
    Circular UV polarizer 失效
    圆形紫外线偏振片

    公开(公告)号:US5989461A

    公开(公告)日:1999-11-23

    申请号:US888363

    申请日:1997-07-03

    CPC classification number: G02B5/3075 G02B5/3016

    Abstract: The invention relates to a circular UV polarizer based on a polymerized mesogen being obtainable by curing by actinic radiation or by heat of a polymerizable composition which comprises the following components:a) a liquid mesogenic component A composed of one or more achiral mesogenic compounds having at least one polymerizable end group optionally linked via a spacer group to the mesogenic core,b) a component B composed of one or more chiral compounds in such an amount that the maximum wavelength of reflection (.lambda..sub.max) of the composition is between 320 and 440 nm, inclusive, andc) a photoinitiator or thermal initiator component C.

    Abstract translation: 本发明涉及一种基于聚合介晶的环形紫外线偏振器,其可通过光化辐射或热可聚合组合物固化而获得,该可聚合组合物包含以下组分:a)由一种或多种非手性介晶化合物组成的液体介晶组分A,其具有 至少一个可聚合端基任选地通过间隔基团连接到介晶核,b)由一种或多种手性化合物组成的组分B,其量使组合物的最大反射波长(λmax)在320和440之间 nm,c)光引发剂或热引发剂组分C.

    Liquid crystal polymer devices
    82.
    发明授权
    Liquid crystal polymer devices 失效
    液晶聚合物器件

    公开(公告)号:US5948486A

    公开(公告)日:1999-09-07

    申请号:US817306

    申请日:1997-04-07

    CPC classification number: G02F1/133365 C09K19/3852 C09K19/3857 Y10T428/10

    Abstract: A method for the loading and alignment of liquid crystal polymers in electro-optic and electro-active devices by in-situ polymerization between substrates of liquid crystal monomers. The molecular weight of the resulting liquid crystal polymer is controlled by the addition of a chain transfer reagent, for example, a thiol-containing compound which may be a liquid crystal material.

    Abstract translation: PCT No.PCT / GB95 / 02201 Sec。 371日期1997年4月7日 102(e)日期1997年4月7日PCT提交1995年9月18日PCT公布。 公开号WO96 / 12209 日期1996年04月25日一种通过液晶单体基板之间的原位聚合在电光和电活性器件中加载和取向液晶聚合物的方法。 所得液晶聚合物的分子量通过添加链转移剂,例如可以是液晶材料的含硫醇化合物来控制。

    Lubricating compositions
    83.
    发明授权
    Lubricating compositions 失效
    润滑组合物

    公开(公告)号:US5824628A

    公开(公告)日:1998-10-20

    申请号:US945887

    申请日:1998-01-23

    Abstract: A lubricating composition comprising: (a) a base oil; (b) an acid ester of phosphoric acid of formula (I), where R.sub.1 is a monovalent organic group containing from 3 to 30 carbon atoms and R.sub.2 is hydrogen or a monovalent organic group containing from 3 to 30 carbon atoms and (c) a phosphonate ester of formula (II), where R.sub.3 and R.sub.4 are independently monovalent organic groups containing from 1 to 10 carbon atoms and R.sub.5 is a monovalent organic group containing from 4 to 30, preferably 10 to 24 carbon atoms, the amounts of (b) and (c) being sufficient to improve the frictional properties is disclosed. ##STR1##

    Abstract translation: PCT No.PCT / GB96 / 01173 Sec。 371日期1998年1月23日 102(e)日期1998年1月23日PCT提交1996年5月16日PCT公布。 WO96 / 36682 PCT公开号 日期1996年11月21日一种润滑组合物,其包含:(a)基础油; (b)式(I)的磷酸的酸酯,其中R 1是含有3至30个碳原子的一价有机基团,R 2是氢或含有3至30个碳原子的一价有机基团,和(c) (II)的膦酸酯,其中R 3和R 4独立地是含有1至10个碳原子的一价有机基团,R 5是含有4至30个,优选10至24个碳原子的一价有机基团,(b) 并且(c)足以改善摩擦性能。 (I)(II)

    Liquid crystal polymers
    85.
    发明授权
    Liquid crystal polymers 失效
    液晶聚合物

    公开(公告)号:US5607620A

    公开(公告)日:1997-03-04

    申请号:US347371

    申请日:1994-12-06

    CPC classification number: C09K19/3895 C08F122/10

    Abstract: A novel LCP material based on fumarate and maleate di-esters is disclosed having general formula (I); R.sub.1 and R.sub.2 may may not be the same but have general structure (II); (a)=(b), (c), (d); p=2 to 14; q=0 or 1; r=1 or 2; s=1 or 2; X.dbd.O, CO.sub.2, O.sub.2 C, CH.sub.2 ; Y.dbd.C.sub.2 H.sub.4, O, CO.sub.2, O.sub.2 C; Z.dbd.CN, halogen, R, CO.sub.2 R, OR, O.sub.2 CR, wherein R=chiral or achiral.

    Abstract translation: PCT No.PCT / GB93 / 01018 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 / 25634 PCT 日本公开了具有通式(I)的基于富马酸和马来酸二酯的新型LCP材料。 R1和R2可能不一样,但具有一般结构(II); (a)=(b),(c),(d); 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。

    Liquid-crystalline material
    86.
    发明授权
    Liquid-crystalline material 失效
    液晶材料

    公开(公告)号:US5538768A

    公开(公告)日:1996-07-23

    申请号:US269519

    申请日:1994-07-01

    CPC classification number: C09K19/542 C09K19/46 Y10T428/10

    Abstract: The invention relates to a liquid-crystalline material in the form of an anisotropic gel consisting of a polymerized liquid-crystalline material and a low-molecular weight liquid-crystalline material, wherein the polymerized material (a) forms a permanently oriented network in the low-molecular liquid-crystalline material (b), characterized in that the low-molecular weight liquid-crystalline material (b) exhibits a cholesteric phase, and to a display cell with such a material.

    Abstract translation: 本发明涉及一种由聚合液晶材料和低分子量液晶材料组成的各向异性凝胶形式的液晶材料,其中聚合材料(a)在低温下形成永久取向的网络 分子液晶材料(b),其特征在于,低分子量液晶材料(b)表现出胆甾醇相,并具有这种材料的显示单元。

    Electrooptical liquid crystal system
    89.
    发明授权
    Electrooptical liquid crystal system 失效
    电光液晶系统

    公开(公告)号:US5376302A

    公开(公告)日:1994-12-27

    申请号:US42762

    申请日:1993-04-06

    CPC classification number: G02F1/1334 C09K19/42 C09K19/544 Y10T428/10

    Abstract: The invention relates to an electrooptical liquid crystal systemwhich between two electrode layers there is contained a liquid crystal mixture and a further optically transparent polymer medium,whose liquid crystal molecules have irregular orientation in the switched-off state,in which one of the refractive indices of the liquid crystal mixture is substantially the same as the refractive index of the medium n.sub.m and/or in which the quotient from the weight of the liquid crystal mixture and the weight of the optically transparent medium is 1.5 or more,which in one of the switching states has reduced transmission compared with the other state essentially independent of the polarization of the incident light, andwhose liquid crystal mixture contains at least one dielectrically neutral and at least one dielectrically positive liquid crystalline or monotropic compound, characterized in that the liquid crystalline mixture contains less than 15% by weight of one or more dielectrically positive liquid crystalline, enantiotropic or monotropic, two-ring compounds in order to lower the solubility of the liquid crystal mixture in the medium.

    Abstract translation: 本发明涉及一种电光学液晶系统,其在两个电极层之间包含液晶混合物和另外的光学透明聚合物介质,其液晶分子在关闭状态下具有不规则取向,其中折射率之一 的液晶混合物的重量基本上与介质nm的折射率相同,和/或液晶混合物的重量和光学透明介质的重量的商为1.5或更大,其中 开关状态与基本上独立于入射光的偏振的其他状态相比,其液晶混合物含有至少一种介电中性和至少一种介电性正的液晶或单离子化合物,其特征在于,液晶混合物 含有少于15重量%的一种或多种介电性的posi 为了降低液晶混合物在介质中的溶解度,可以使用液晶,对映体或单相,双环化合物。

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