Pleochroic azo dyes, a liquid crystal composition containing the azo
dyes and a display device using the liquid crystal composition
    2.
    发明授权
    Pleochroic azo dyes, a liquid crystal composition containing the azo dyes and a display device using the liquid crystal composition 失效
    多色偶氮染料,含有偶氮染料的液晶组合物和使用该液晶组合物的显示装置

    公开(公告)号:US4493532A

    公开(公告)日:1985-01-15

    申请号:US442057

    申请日:1982-11-16

    CPC classification number: C09B43/18 C09B29/00 C09B31/00 C09B43/30 C09K19/601

    Abstract: Pleochroic azo dyes represented by the formula (I): ##STR1## wherein X represents group --OCOR.sup.1 or --COOR.sup.1 (wherein R.sup.1 represents an alkyl group, an alkoxyalkyl group, an alkoxyphenyl group, an alkylcyclohexyl group, an alkoxyalkylcyclohexyl group, a cycloalkylcyclohexyl group, an alkoxycyclohexyl group, or a phenyl group substituted by a substituent selected from among an alkyl group containing 3 to 18 carbon atoms, an alkoxyalkyl group, a cycloalkyl group, an aryl group, a cyano group, a halogen atom, an acyloxy group, a carboxylic acid ester group, and an arylazo group); Y represents a hydrogen atom, an alkyl group, an alkoxyalkyl group, a cycloalkyl group, an alkoxy group, a nitro group, a cyano group, a carboxylic acid ester group, an acyloxy group, an alkylsulfonyl group, an aryl group, a halogen atom, or group ##STR2## wherein R.sup.2 and R.sup.3 each represents a hydrogen atom, an alkyl group, an alkoxyalkyl group, or R.sup.2 and R.sup.3 may be connected to each other to form a nitrogen-containing ring together with the adjacent nitrogen atom; Z.sup.1 to Z.sup.9 each represents a hydrogen atom, a halogen atom, a methyl group, a hydroxy group, a methoxy group or a cyano group, or Z.sup.1, Z.sup.2 and Z.sup.3 may be connected to R.sup.2 or R.sup.3 to form a nitrogen-containing ring, or Z.sup.1 and Z.sup.2, and Z.sup.4 and Z.sup.5, or Z.sup.7 and Z.sup.8 may be connected to each other to form an aromatic ring; at least one of ##STR3## and n represents 0, 1 or 2, a liquid crystal composition containing the pleochroic azo dyes and a display device using the liquid crystal composition.

    Abstract translation: 由式(I)表示的多色偶氮染料:其中X表示-OCOR1或-COOR1基团(其中R1表示烷基,烷氧基烷基,烷氧基苯基,烷基环己基,烷氧基烷基环己基, 环烷基环己基,烷氧基环己基或被选自含有3至18个碳原子的烷基,烷氧基烷基,环烷基,芳基,氰基,卤素原子, 酰氧基,羧酸酯基和芳基偶氮基)。 Y表示氢原子,烷基,烷氧基烷基,环烷基,烷氧基,硝基,氰基,羧酸酯基,酰氧基,烷基磺酰基,芳基,卤素 原子或基团,其中R 2和R 3各自表示氢原子,烷基,烷氧基烷基或R 2和R 3可以彼此连接形成与相邻氮原子一起形成含氮环; Z1〜Z9各自表示氢原子,卤素原子,甲基,羟基,甲氧基或氰基,Z 1,Z 2和Z 3可以与R 2或R 3连接形成含氮环, 或Z 1和Z 2以及Z 4和Z 5或Z 7和Z 8可以彼此连接形成芳香环; + TR 中的至少一个,n表示0,1或2,含有双色偶氮染料的液晶组合物和使用该液晶组合物的显示装置。

    Water-insoluble polyazo dyestuff comprising two or three identical azo
dyestuffs joined to a central nucleus by carboxyl bridges
    3.
    发明授权
    Water-insoluble polyazo dyestuff comprising two or three identical azo dyestuffs joined to a central nucleus by carboxyl bridges 失效
    含有两个或三个相同的偶氮染料的水不溶性多偶氮染料通过羧基桥连接到中心核

    公开(公告)号:US3971741A

    公开(公告)日:1976-07-27

    申请号:US486742

    申请日:1974-07-09

    Abstract: Waterinsoluble polyazo dyestuffs of the formulaX(O-OC-D-N=N-K).sub.mIn which K denotes identical or different radicals of a coupling component, X denotes an aliphatic radical which is free of hydroxyl groups and is optionally interrupted by heteroatoms, or an aromatic-carbocyclic, aromatic-heterocyclic or araliphatic radical, D represents an aromatic-carbocyclic or aromatic-heterocyclic radical and m represents the numbers 2 or 3. These dyestuffs are useful as dispersion dyestuffs for coloring synthetic fibers and most especially as pigment dyestuffs for coloring paint, inks, paper, and macromolecular substances and for admixing with other substances such as inorganic white pigments including titanium dioxide.

    Abstract translation: 式X(O-OC-DN = NK)m IN的不溶性多偶氮染料,其中K表示偶联组分的相同或不同基团,X表示不含羟基且任选被杂原子中断的脂族基团,或 芳族 - 碳环,芳族 - 杂环或芳脂族基团,D代表芳族 - 碳环或芳族 - 杂环基团,m代表数字2或3.这些染料可用作染色合成纤维的分散染料,最特别是作为着色颜料染料 油漆,油墨,纸张和大分子物质,并与其他物质如无机白色颜料(包括二氧化钛)混合。

    Dye-ascorbic acid derivatives
    9.
    发明授权
    Dye-ascorbic acid derivatives 失效
    染料 - 抗坏血酸衍生物

    公开(公告)号:US08709104B2

    公开(公告)日:2014-04-29

    申请号:US13812869

    申请日:2011-08-05

    Abstract: The invention relates to specific dye-ascorbic acid derivatives and the use thereof as dyes for the coloring of matrices, such as, for example, skin, hair, nails or textiles, and a process for the preparation thereof, a process for the coloring of matrices, and a composition comprising these dye-ascorbic acid derivatives, and a process for the preparation of these compositions. On use of the specific dye-ascorbic acid derivatives according to the invention, a positive effect on the moisture content of the matrices arises.

    Abstract translation: 本发明涉及特定的染料 - 抗坏血酸衍生物及其作为用于着色基质例如皮肤,毛发,指甲或纺织品的染料的用途及其制备方法,着色方法 基质和包含这些染料 - 抗坏血酸衍生物的组合物,以及制备这些组合物的方法。 在使用根据本发明的特定染料 - 抗坏血酸衍生物时,会产生对基质含水量的积极影响。

    Dyestuffs and resin compositions
    10.
    发明授权
    Dyestuffs and resin compositions 失效
    染料和树脂组合物

    公开(公告)号:US6051360A

    公开(公告)日:2000-04-18

    申请号:US1921

    申请日:1997-12-31

    Abstract: Dyestuffs represented by the below-described formula (1), that is, dyestuffs formed of a chromophoric nucleus and a bisphenol introduced therein have excellent solubility in solvents and binder resins, and can provide color filters having excellent transmittance characteristics and durability. ##STR1## wherein Dye represents a chromophoric nucleus, X represents a direct bond or a divalent connecting group, R.sup.1 to R.sup.10 and n are defined with the provision that one of R.sup.9 and R.sup.10 has 3 or more carbon atoms.

    Abstract translation: 由下述式(1)表示的染料,即由发色团形成的染料和引入其中的双酚形成的染料在溶剂和粘合剂树脂中的溶解性优异,并且可以提供具有优异的透射特性和耐久性的滤色器。 其中染料表示发色核,X表示直接键或二价连接基团,R 1至R 10和n定义如下:条件是R 9和R 10中的一个具有3个或更多个碳原子。

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