1-(4-Alkylaminonaphthylazo)-4-nitrobenzene disperse dyes
    3.
    发明授权
    1-(4-Alkylaminonaphthylazo)-4-nitrobenzene disperse dyes 失效
    1-(4-烷基氨基萘基偶氮)-4-硝基苯分散染料

    公开(公告)号:US4324721A

    公开(公告)日:1982-04-13

    申请号:US45567

    申请日:1979-06-04

    摘要: Disperse monoazo dyes, useful for the dyeing and printing of polyester, polyamide and cellulose acetate fibers in navy-blue shades, having the formula ##STR1## wherein R.sub.1 is Br, Cl or CN; R.sub.2 is CN or NO.sub.2 ; R.sub.3 is C.sub.2-4 -alkylene; and R.sub.4 is a selected aliphatic, cycloaliphatic, or aromatic radical.

    摘要翻译: 分散单偶氮染料,可用于以海军蓝色阴影染色和印刷聚酯,聚酰胺和醋酸纤维素纤维,具有式(IMAGE),其中R1为Br,Cl或CN; R2是CN或NO2; R3是C2-4-亚烷基; 并且R 4是选择的脂族,脂环族或芳族基团。

    Pleochroic azo dyes, a liquid crystal composition containing the azo
dyes and a display device using the liquid crystal composition
    10.
    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

    摘要: 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.

    摘要翻译: 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。