Thermochromic polymerizable mesogenic composition
    41.
    发明授权
    Thermochromic polymerizable mesogenic composition 失效
    热变色可聚合介晶组成

    公开(公告)号:US6117920A

    公开(公告)日:2000-09-12

    申请号:US350993

    申请日:1999-07-12

    摘要: The invention relates to a thermochromic polymerizable mesogenic composition essentially consisting of:a) a component MA comprising at least one achiral polymerizable mesogenic compound comprising at least one polymerizable functional group,b) a component MB comprising at least one chiral polymerizable mesogenic compound comprising at least one polymerizable functional group,c) a photoinitiator, andd) optionally a dye component,to anisotropic polymers and polymer films with a chiral mesophase obtainable from said thermochromic polymerizable mesogenic composition and to the use of said thermochromic polymerizable mesogenic composition, anisotropic polymers and polymer films for optical information storage, photomasks, decorative pigments, cosmetics, security applications, active and passive optical elements such as polarizers or optical retarders, color filters, scattering displays, adhesives or synthetic resins with anisotropic mechanical properties.

    摘要翻译: 本发明涉及一种基本上由以下组成的热变色聚合性介晶组合物:a)包含至少一种包含至少一个可聚合官能团的至少一种非手性可聚合介晶化合物的组分MA,b)包含至少一种手性可聚合介晶化合物的组分MB,至少包含 一个可聚合官能团,c)光引发剂,和d)任选的染料组分,可用各向异性聚合物和具有由所述热变色可聚合介晶组合物获得的手性中间相的聚合物膜以及所述热变色可聚合介晶组合物,各向异性聚合物和聚合物 用于光学信息存储,光掩模,装饰颜料,化妆品,安全应用,诸如偏振器或光学延迟器的有源和无源光学元件,滤色器,散射显示器,具有各向异性机械性能的粘合剂或合成树脂。

    Thermochromic media
    46.
    发明授权
    Thermochromic media 失效
    热变色介质

    公开(公告)号:US5705093A

    公开(公告)日:1998-01-06

    申请号:US286181

    申请日:1994-08-05

    摘要: An improved ink comprising a thermochromic liquid crystalline media comprising at least one optically inactive nematic component and at least one optically active component, the improvement wherein the optically active component comprises at least one menthol derivative of formula I ##STR1## wherein ##STR2## is 1,4-phenylene optionally substituted by up to 4 methyl group and/or halogen atoms, particularly fluorine atoms or is 1,4 cyclohexylene and MG is a mesogenic group, or forms a mesogenic group together with ##STR3##

    摘要翻译: 一种改进的油墨,其包含含有至少一种光学非活性向列组分和至少一种光学活性组分的热致变色液晶介质,其改进在于其中光学活性组分包含至少一种式I的薄荷醇衍生物,其中是 任选被至多4个甲基和/或卤素原子,特别是氟原子取代的1,4-亚苯基,或者是1,4-亚环己基,MG是介晶基团,或者与

    Reactive liquid crystal compounds
    48.
    发明授权
    Reactive liquid crystal compounds 失效
    活性液晶化合物

    公开(公告)号:US5622648A

    公开(公告)日:1997-04-22

    申请号:US321884

    申请日:1994-10-14

    摘要: Disclosed are liquid crystal compounds of formula IR.sup.1 --P--X--(A.sup.1 --Z.sup.1).sub.n --A.sup.2 --R.sup.2 IwhereinR is ##STR1## W is H, Cl or C.sub.1-5 -alkyl, and m is 1-7,P is C.sub.1-12 alkylene, one or more CH.sub.2 groups optionally being replaced by O,X is --O--, --S--, --COO--, --OCO-- or a single bond,R.sup.2 is C.sub.1-15 -alkyl optionally substituted by halogen, one or more CH.sub.2 groups optionally replaced by --O--, --S--, --CO--, --O--CO--, --CO--O-- or --O--CO--O--; R.sup.1 --P--X, CN, F, Cl or --V--Q--T,V is --O--, --S-- or a single bond,Q is --CH.sub.2 --, --CHF--, --CF.sub.2 --,T is F or Cl,n is 1 or 2,A.sup.1, A.sup.2 are 1,4-phenylene optionally substituted by F, Cl, CN or --W--C.sub.r H.sub.s F.sub.2r+1-s, or one of A.sup.1 or A.sup.2 is ##STR2## pyrimidine-2,5-diyl or pyrimidine-2,5 diyl, Z.sup.1 is --CO--O--, --O--CO--, --CH.sub.2 CH.sub.2 -- or a single bond,r is 1 or 2,s is O, 1, 2, 3, 4, or 5,W is a single bond, --O--, --S-- or --CO--,with the provisos (i) that at least one of A.sup.1 and A.sup.2 is a 1,4-phenylene group which is mono-or polysubstituted by Cl, CN or --W--C.sub.r H.sub.s F.sub.2r+1-s, said substituted 1,4-phenylene group optionally additionally substituted by one or more F-atoms, and (ii) that in case n=2 (a) only one of Z.sup.1 is --COO-- or --OCO-- or (b) at least one of A.sup.1 and A.sup.2 is double substituted or (c) at least two of A.sup.1 and A.sup.2 are substituted.

    摘要翻译: 本发明公开了式IR1-PX-(A1-Z1)n-A2-R2I的其中R是H,或HSCH 2(CH 2)m COO,W是H,Cl或C 1-5 - 烷基的化合物,m是 1-7,P是C1-12亚烷基,一个或多个CH 2基团任选被O取代,X是-O - , - S - , - COO-, - OCO-或单键, 任选被卤素取代的烷基,任选被-O - , - S-,-CO-,-O-CO-,-CO-O-或-O-CO-O-取代的一个或多个CH 2基团; R1-PX,CN,F,Cl或-VQT,V是-O - , - S-或单键,Q是-CH2-,-CHF-,-CF2-,T是F或Cl,n是1 或2,A1,A2是任选被F,Cl,CN或-W-CrHsF2r + 1-s取代的1,4-亚苯基,或者A1或A2中的一个是嘧啶-2,5-二基或嘧啶 - 2,5二基,Z1是-CO-O-,-O-CO-,-CH2CH2-或单键,r是1或2,s是0,1,2,3,4或5,W是 单键,-O - , - S-或-CO-,条件是(i)A1和A2中的至少一个是1,4-亚苯基,其被Cl,CN或 - W-CrHsF2r + 1-s,所述取代的1,4-亚苯基任选地另外被一个或多个F原子取代,和(ii)在n = 2(a)的情况下,只有一个是-COO-或 - OCO-或(b)A1和A2中的至少一个是双取代的或(c)A1和A2中的至少两个被取代。

    Chlorobenzene derivatives
    49.
    发明授权
    Chlorobenzene derivatives 失效
    氯苯衍生物

    公开(公告)号:US5389294A

    公开(公告)日:1995-02-14

    申请号:US477525

    申请日:1990-06-22

    摘要: The invention relates to chlorobenzene derivatives of formula I ##STR1## wherein R.sup.1 denotes an alkyl residue with up to 12 carbon atoms wherein one or two non-adjacent CH.sub.2 -groups may also be replaced by --O--, --O--CO--, --CO--O-- and/or --CH.dbd.CH--.

    摘要翻译: PCT No.PCT / EP90 / 00718 Sec。 371日期1990年6月22日 102(e)1990年6月22日PCT 1990年5月4日PCT PCT。 WO90 / 14405 PCT出版物 1990年11月29日,本发明涉及式I的氯苯衍生物,其中R 1表示具有至多12个碳原子的烷基残基,其中一个或两个不相邻的CH2-基团也可以被-O- ,-O-CO-,-CO-O-和/或-CH = CH-。