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31 条记录 (耗时 0.01 秒)

    Photosensitive member comprising a bisazo compound
    1.
    发明授权
    Photosensitive member comprising a bisazo compound 失效
    包含双偶氮化合物的感光构件

    公开(公告)号：US4935322A

    公开(公告)日：1990-06-19

    申请号：US294125

    申请日：1989-01-06

    申请人： Hideaki Ueda

    发明人： Hideaki Ueda

    IPC分类号： C09B35/023 ,  C09B35/14 ,  C09B35/34 ,  G03G5/06

    CPC分类号： C09B35/023 ,  C09B35/14 ,  G03G5/0679 ,  G03G5/0681

    摘要： The present invention relates to a photosensitive member containing a specific azo compound represented by the following general formula (I); ##STR1## wherein A is a bivalent atom-group which forms a hydrocarbon ring or a heterocyclic ring with carbon atom of carbonyl group; A may have a substituent; R.sub.1 and R.sub.2 are independently selected from the group consisting of hydrogen, an alkyl group, an alkoxy group, a halogen atom and a cyano group; Cp is a residual group of a coupler with a phenolic OH group, which is improved in photosensitive properties, in particular, sensitivity.

    摘要翻译： 本发明涉及含有由以下通式（I）表示的特定偶氮化合物的感光构件; 其中A是形成烃环的二价原子团或具有羰基碳原子的杂环; A可以具有取代基; R 1和R 2独立地选自氢，烷基，烷氧基，卤素原子和氰基; Cp是具有酚OH基团的偶联剂的残基，其在感光性能，特别是灵敏度方面得到改善。

    Process for preparing water-insoluble blue azo dyes on the fiber: hydroxynaphthoic amide and diazotized di-alkoxy-benzidine
    2.
    发明授权
    Process for preparing water-insoluble blue azo dyes on the fiber: hydroxynaphthoic amide and diazotized di-alkoxy-benzidine 失效
    在纤维上制备水不溶性蓝色偶氮染料的方法：羟基萘甲酰胺和重氮化的二烷氧基联苯胺

    公开(公告)号：US4696675A

    公开(公告)日：1987-09-29

    申请号：US845623

    申请日：1986-03-27

    申请人： Hasso Hertel ,  Klaus Hunger ,  Heinrich Frolich

    发明人： Hasso Hertel ,  Klaus Hunger ,  Heinrich Frolich

    IPC分类号： D06P1/12 ,  C09B35/14 ,  D06P3/68 ,  C09B35/02

    CPC分类号： D06P3/68 ,  C09B35/14 ,  Y10S8/918

    摘要： Using the method of azoic dyeing, fast blue dyeings are obtained when the bis-diazotable diazo component used is a compound of the general formula (1) ##STR1## in which R is a straight-chain or branched alkyl group of 3 to 5 carbon atoms or a (C.sub.1 -C.sub.3)-alkoxy-(C.sub.2 -C.sub.4)-alkyl group having straight-chain and/or branched alkyl groups of in total 3 to 5 carbon atoms, and the coupling component used is a compound conforming to the general formula (2) ##STR2## in which Z stands for a hydrogen atom or a halogen atom or an alkoxy group of 1 to 4 carbon atoms and Aryl denotes a phenyl radical or a 1-naphthyl radical which can be substituted by 1, 2 or 3 substituents from the group consisting of halogen, nitro, alkyl of 1 to 4 carbon atoms and alkoxy of 1 to 4 carbon atoms, and the coupling reaction and dye formation on the fiber are carried out at a pH value between 4 and 10.

    摘要翻译： 使用偶氮染色方法，当所用的双重氮偶氮重氮组分是通式（1）的化合物时，得到了快速的蓝色染色，其中R是3或3的直链或支链烷基 至5个碳原子或具有总共3至5个碳原子的具有直链和/或支链烷基的（C1-C3） - 烷氧基 - （C2-C4） - 烷基，所用的偶合组分是符合化合物 （2）其中Z表示氢原子或卤素原子或1〜4个碳原子的烷氧基，通式（2）表示苯基或1-萘基，可以是 被1,2或3个由卤素，硝基，1至4个碳原子的烷基和1至4个碳原子的烷氧基取代的取代基取代，纤维上的偶联反应和染料形成在pH值 在4到10之间。

    Utilization of dyes for liquid crystal displays
    8.
    发明授权
    Utilization of dyes for liquid crystal displays 失效
    染料用于液晶显示器的利用

    公开(公告)号：US4137193A

    公开(公告)日：1979-01-30

    申请号：US809276

    申请日：1977-06-23

    申请人： Maged A. Osman ,  Terry J. Scheffer

    发明人： Maged A. Osman ,  Terry J. Scheffer

    IPC分类号： C09B29/00 ,  C09B31/06 ,  C09B35/06 ,  C09B35/14 ,  C09B55/00 ,  C09K19/60 ,  G02F1/13 ,  C09K3/34

    CPC分类号： C09B29/00 ,  C09B29/0088 ,  C09B31/06 ,  C09B35/06 ,  C09B35/14 ,  C09B55/00 ,  C09K19/601

    摘要： In a cholesteric guest-host liquid crystal composition having a positive dielectric anisotropy and consisting of a nematic host component with a dye incorporated as a guest component therein and an optically active (cholesteric) component, the improvement consisting of a substantially stable and water insoluble azo dye guest component having a pleochroic ratio a.sub.1 /a.sub.2 of at least 6.5 and an absorption maximum in the range of from 350 to 700 nm, said azo dye being a compound of the formula (1)X -- A -- N .dbd. N -- B -- Y (I)wherein A is selected from the group consisting of 1,4-phenylene, 2-hydroxy-1,4-naphthylene and 2-hydroxy-8-amino-1,4-naphthylene; B is selected from the group consisting of 1,4-phenylene, 1,5-naphthylene and 5-substituted benzothiazo-(1,3)-2-yl; X is selected from the group consisting of nitro, nitrile, dimethylamino, di(hydroxyethyl)-amino, phenyl and straight chain C.sub.1 -C.sub.10 alkyl, and Y is a monovalent organic radical that does not promote water solubility in the dye molecule.

    摘要翻译： 在具有正介电各向异性并由向列主体成分组成的胆酰型客体主体液晶组合物中，其中引入作为客体成分的染料和光学活性（胆甾型）组分，其改进包括基本稳定的水不溶性偶氮 所述偶氮染料是式（1）的化合物，X-A-N = N-B - 的化合物，其中多色性比a1 / a2至少为6.5，吸收最大值为350-700nm， Y（I）其中A选自1,4-亚苯基，2-羟基-1,4-亚萘基和2-羟基-8-氨基-1,4-亚萘基; B选自1,4-亚苯基，1,5-亚萘基和5-取代的苯并噻唑 - （1,3）-2-基; X选自硝基，腈，二甲基氨基，二（羟乙基） - 氨基，苯基和直链C1-C10烷基，Y是不促进染料分子中水溶性的一价有机基团。