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    • 12. 发明授权
    • Liquid crystal composition
    • 液晶组成
    • US4600527A
    • 1986-07-15
    • US465391
    • 1983-02-10
    • Shuji ImazekiAkio MukohMikio SatoMasaharu KanekoTomio YoneyamaJunko Iwanami
    • Shuji ImazekiAkio MukohMikio SatoMasaharu KanekoTomio YoneyamaJunko Iwanami
    • C09B29/00C09B31/00C09B35/00C09B43/10C09B43/28C09K19/60G02F1/137G09F9/00G02F1/13
    • C09B29/00C09B31/00C09B35/00C09B43/10C09B43/28C09K19/601
    • A liquid crystal composition containing azo dyes represented by the formula (I.sub.0) ##STR1## wherein X represents ##STR2## A.sup.1 represents --O-- or --NH--, R.sup.1 represents a hydrogen atom, an alkyl group, an alkoxyalkyl group, an aryloxyalkyl group, a dialkylaminoalkyl group, an arylaminoalkyl group, a cycloalkyl group, an alkoxy group, an alkoxyalkoxy group, an arylalkoxy group, an aryl group, a halogen atom or a group of ##STR3## D.sup.1 and D.sup.2 each represents an aromatic group which does not contain an ionic group; U.sup.1 and U.sup.2 each represents a hydrogen atom, a halogen atom, a methyl group, a methoxy group or an ethoxy group;Y.sup.1 represents --O-- or ##STR4## R represents a hydrogen atom, an alkyl group or may be connected to Z.sup.10 to Z.sup.12 to form a ring;Z.sup.4 to Z.sup.12 each represents a hydrogen atom, a halogen atom, an alkyl group, an alkoxy group, a hydroxy group, an acylamino group or a cyano group, or Z.sup.4 and Z.sup.5, Z.sup.7 and Z.sup.8, and Z.sup.10 and Z.sup.11 may be connected to each other to form an aromatic ring; andn represents 0, 1 or 2.
    • 含有由式(I0)表示的偶氮染料的液晶组合物,其中X表示A1表示-O-或-NH-,R1表示氢原子,烷基,烷氧基烷基, 芳氧基烷基,二烷基氨基烷基,芳基氨基烷基,环烷基,烷氧基,烷氧基烷氧基,芳基烷氧基,芳基,卤素原子或者每个表示芳基 其不含离子基团; U1和U2各自表示氢原子,卤素原子,甲基,甲氧基或乙氧基; Y1表示-O-或R表示氢原子,烷基或可与Z10至Z12连接形成环; Z4〜Z12各自表示氢原子,卤素原子,烷基,烷氧基,羟基,酰氨基或氰基,或Z4和Z5,Z7和Z8,Z10和Z11可以连接到 彼此形成芳环; n表示0,1或2。
    • 16. 发明授权
    • Azo compounds containing a naphthalic imide coupler
    • 含有萘二甲酰亚胺偶合剂的偶氮化合物
    • US4057539A
    • 1977-11-08
    • US555726
    • 1975-03-06
    • Seiichi ImahoriMasaharu KanekoYoshiaki Kato
    • Seiichi ImahoriMasaharu KanekoYoshiaki Kato
    • C09B29/42C09B44/08C09B29/36
    • C09B29/3617C09B44/08
    • An azo dye having the formula (1): ##STR1## wherein R.sup.1 represents hydrogen, methyl, ethyl, propyl, butyl, pentyl, hexyl, hydroxyalkyl, alkoxyalkyl, alkoxycarbonylalkyl, acyloxyalkyl, acylalkyl, hydroxyalkylaminoalkyl, cyanoalkyl, aminoalkyl, N,N-dialkylaminoalkyl, alkylaminoalkyl, chloroalkyl, bromoalkyl, carboxyalkyl, morpholinoalkyl, cyclohexyl, phenethyl, benzyl, phenyl, chlorophenyl, methoxyphenyl, nitrophenyl, tolyl, xylyl, dialkylaminophenyl and alkyl containing an ammonium group wherein the ammonium nitrogen is quaternized by alkyl groups or by an amino group with alkyl groups, or wherein the ammonium nitrogen atom is the heterocyclic nitrogen atom of a morpholine ring or a pyridine ring, wherein R.sup.2, R.sup.3, R.sup.4 and R.sup.5 represent hydrogen, chlorine, bromine, nitro, cyano, carboxyl, methyl, ethyl, propyl, butyl, trifluoromethyl, .beta.-hydroxyethyl, phenyl, alkoxy, chlorophenoxy, alkoxycarbonyl, acetyl, benzoyl, acetylamino, benzoylamino, alkylsulfonyl, phenylsulfonyl, dimethylaminosulfonyl, dibutylaminosulfonyl, diethylaminosulfonyl, dialkylcarbamoyl, and aminocarbonyl under conditions such that at least one of R.sup.2, R.sup.3, R.sup.4 and R.sup.5 is hydrogen, wherein the terms "alkyl" and "alkoxy" for the groups of R.sup.1 have from one to six carbon atoms and wherein the terms "alkyl" and "alkoxy" for the groups R.sup.2, R.sup.3, R.sup.4 and R.sup.5 have from one to four carbon atoms; X represents hydrogen, chlorine, bromine, iodine and nitro and n represents 0 or an integer from 1 to 3, which is useful for dyeing synthetic fibers, synthetic-semi-synthetic fibers and blends thereof with natural fibers.
    • 具有式(1)的偶氮染料:其中R1表示氢,甲基,乙基,丙基,丁基,戊基,己基,羟基烷基,烷氧基烷基,烷氧基羰基烷基,酰氧基烷基,酰基烷基,羟基烷基氨基烷基,氰基烷基,氨基烷基, 二烷基氨基烷基,烷基氨基烷基,氯代烷基,溴代烷基,羧基烷基,吗啉代烷基,环己基,苯乙基,苄基,苯基,氯苯基,甲氧基苯基,硝基苯基,甲苯基,二甲苯基,二烷基氨基苯基和含铵基团的烷基,其中铵氮被烷基季铵化或氨基 或烷基,或其中铵氮原子是吗啉环或吡啶环的杂环氮原子,其中R2,R3,R4和R5代表氢,氯,溴,硝基,氰基,羧基,甲基,乙基, 丙基,丁基,三氟甲基,β-羟基乙基,苯基,烷氧基,氯苯氧基,烷氧基羰基,乙酰基,苯甲酰基,乙酰氨基,苯甲酰基氨基,烷基磺酰基,苯基磺酰基,二甲基氨基磺酰 N,二丁基氨基磺酰基,二乙基氨基磺酰基,二烷基氨基甲酰基和氨基羰基,其中R 2,R 3,R 4和R 5中的至少一个是氢,其中R 1基团的术语“烷基”和“烷氧基”具有1至6个碳原子 并且其中用于基团R 2,R 3,R 4和R 5的术语“烷基”和“烷氧基”具有1至4个碳原子; X表示氢,氯,溴,碘和硝基,n表示0或1〜3的整数,可用于染色合成纤维,合成半合成纤维及其与天然纤维的混合物。
    • 20. 发明授权
    • Liquid-crystal composition and liquid-crystal display element
    • 液晶组合物和液晶显示元件
    • US06033598A
    • 2000-03-07
    • US875524
    • 1997-07-10
    • Masaharu KanekoMasami KadowakiHideki Sato
    • Masaharu KanekoMasami KadowakiHideki Sato
    • C09K19/30C09K19/60C09K19/00C09K19/12
    • C09K19/603C09K19/3001C09K19/601
    • The present invention provides a guest-host liquid-crystal composition comprising a host liquid-crystal composition containing one or more dichroic dyes, characterized in that the host liquid-crystal composition comprises as the main component a polycyclic compound having three or more rings and having no cyano group in the direction of the molecular axis, the proportion of the polycyclic compound component having three or more rings in the host liquid-crystal composition being 75% by mole or higher, and that the guest-host liquid-crystal composition has an order parameter (S value) of 0.76 or higher. The invention further provides a liquid-crystal display element employing the composition. This guest-host liquid-crystal composition shows excellent dichroism or a high order parameter.
    • PCT No.PCT / JP96 / 03300 Sec。 371日期1997年7月10日 102(e)1997年7月10日PCT PCT 1996年11月11日PCT公布。 第WO97 / 17415号公报 日期:1997年5月15日本发明提供一种客体主体液晶组合物,其包含含有一种或多种二色性染料的主体液晶组合物,其特征在于,所述主体液晶组合物包含作为主要成分的多环化合物, 更多的环并且在分子轴方向上没有氰基,主体液晶组合物中具有三个以上环的多环化合物组分的比例为75摩尔%以上, 晶体组成具有0.76以上的阶数参数(S值)。 本发明还提供一种采用该组合物的液晶显示元件。 该客体主体液晶组合物显示出优异的二色性或高阶参数。