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    • 1. 发明授权
    • Fluorescent dyes
    • 荧光染料
    • US4268671A
    • 1981-05-19
    • US895948
    • 1978-04-13
    • Seiichi ImahoriYukichi MurataSyuichi MaedaSumio Suzuki
    • Seiichi ImahoriYukichi MurataSyuichi MaedaSumio Suzuki
    • C09B57/00C09B57/12D06P1/16
    • C09B57/12C09B57/00
    • Fluorescent dyes having the formula ##STR1## wherein R.sup.1 represents hydrogen, (C.sub.1 -C.sub.8) alkyl, trifluoromethyl, (C.sub.1 -C.sub.4) alkoxycarbonyl, (C.sub.1 -C.sub.4) alkoxycarbonyl (C.sub.1 -C.sub.4) alkyl, phenyl, or aralkyl group; R.sup.2 represents hydrogen, cyano, acyl, (C.sub.1 -C.sub.8) alkoxycarbonyl, (C.sub.1 -C.sub.4) alkoxy (C.sub.1 -C.sub.4) alkoxycarbonyl, (C.sub.1 -C.sub.4) alkoxy (C.sub.1 -C.sub.4) alkoxy (C.sub.1 -C.sub.4) alkoxycarbonyl, di(C.sub.1 -C.sub.4) alkylamino (C.sub.1 -C.sub.4) alkoxycarbonyl, cyclohexyloxycarbonyl, aryloxycarbonyl, benzyloxycarbonyl, tetrahydrofurfuryloxycarbonyl, carbamoyl, N-(C.sub.1 -C.sub.4) alkylcarbamoyl, N,N-di(C.sub.1 -C.sub.4)alkylcarbamoyl, N-phenylcarbamoyl, or morpholinocarbonyl group; and R.sup.3 and R.sup.4 can be the same or different and each represents hydrogen, (C.sub.1 -C.sub.8) alkyl, (C.sub.1 -C.sub.4) alkoxy(C.sub.1 -C.sub.4) alkyl, aralkyl or phenyl group which can be substituted by halogen atoms, (C.sub.1 -C.sub.4) alkyl groups, or (C.sub.1 -C.sub.4) alkoxy groups.
    • 具有式[IMAGE] [I]的荧光染料其中R1表示氢,(C1-C8)烷基,三氟甲基,(C1-C4)烷氧基羰基,(C1-C4)烷氧基羰基(C1-C4)烷基,苯基或芳烷基 ; (C1-C4)烷氧基(C1-C4)烷氧基羰基,(C1-C4)烷氧基(C1-C4)烷氧基(C1-C4)烷氧基羰基,二(C1 C 1 -C 4烷基氨基甲酰基,N-(C 1 -C 4)烷基氨基甲酰基,N-苯基氨基甲酰基或吗啉代羰基;(C 1 -C 4)烷基氨基(C 1 -C 4)烷氧基羰基,环己氧羰基,芳氧羰基,苄氧羰基,四氢呋喃氧基羰基,氨基甲酰基, (C1-C8)烷基,(C1-C4)烷氧基(C1-C4)烷基,可被卤素原子取代的芳烷基或苯基,(C1- C4)烷基或(C1-C4)烷氧基。
    • 4. 发明授权
    • N-(p-nitrophenyl)-N'-(4-amino-2-fluorotriazineamino
phenyl)-1,4-disazophenylene dyes
    • N-(对硝基苯基)-N' - (4-氨基-2-氟三嗪氨基苯基)-1,4-二唑亚苯基染料
    • US4482490A
    • 1984-11-13
    • US447476
    • 1982-12-06
    • Seiichi ImahoriToshio NiwaItaru OkadaKuninori Sato
    • Seiichi ImahoriToshio NiwaItaru OkadaKuninori Sato
    • C09B62/09D06P3/66D06P3/85C09B62/08D06P1/382
    • C09B62/09
    • Disazo dyes for dyeing cellulose-containing fibers, particularly fibers having both cellulose and polyester, of the formula ##STR1## Mixed fibers dyed with the dyes of the invention result in surprisingly more uniform color than previously obtainable. In the above formula R.sup.1 and R.sup.2 are independently selected from H, halogen, nitro, cyano, trifluoromethyl, lower alkoxycarbonyl, lower alkyl, and lower alkoxy; R.sup.3, R.sup.4, and R.sup.5, are independently selected from H, halogen, lower alkyl, lower alkoxy, lower alkoxy-lower alkoxy, and acylamino; R.sup.6 and R.sup.7 are independently selected from H, allyl, aralkyl, and lower alkyl which may be further substituted with halogen, cyano, lower alkoxy, lower alkoxycarbonyl, OH, and acyloxy; and X is selected from amino, mono- or dialkylamino having a total of 1-6 carbon atoms, anilino, lower alkoxy and --O--(R.sup.8 O).sub.n --R.sup.9, wherein R.sup.8 is ethylene or propylene, R.sup.9 is methyl or ethyl, and n is 1-5.
    • 用于染色含纤维素的纤维的双偶氮染料,特别是具有纤维素和聚酯的纤维,具有下式的化合物:用本发明的染料染色的混合纤维导致比先前可获得的令人惊讶的更均匀的颜色。 在上式中,R 1和R 2独立地选自H,卤素,硝基,氰基,三氟甲基,低级烷氧基羰基,低级烷基和低级烷氧基; R 3,R 4和R 5独立地选自H,卤素,低级烷基,低级烷氧基,低级烷氧基 - 低级烷氧基和酰氨基; R6和R7独立地选自H,烯丙基,芳烷基和可以被卤素,氰基,低级烷氧基,低级烷氧基羰基,OH和酰氧基进一步取代的低级烷基; X选自氨基,具有1-6个碳原子的单或二烷基氨基,苯胺基,低级烷氧基和-O-(R8O)n-R9,其中R8是乙烯或丙烯,R9是甲基或乙基,和 n为1-5。
    • 8. 发明授权
    • Phenyl azo cyanothienyl azo anilino dyestuffs
    • 苯偶氮氰基噻吩基偶氮苯胺基染料
    • US4621136A
    • 1986-11-04
    • US334005
    • 1981-12-23
    • Seiichi ImahoriKiyoshi HimenoShuichi Maeda
    • Seiichi ImahoriKiyoshi HimenoShuichi Maeda
    • C09B31/043D06P1/04D06P1/18D06P3/54
    • C09B31/043
    • Disazo dyestuffs for polyester fibers represented by the following general formula: ##STR1## wherein X represents a hydrogen atom, a chlorine atom, a trifluoromethyl group or a nitro group, Y represents a cyano group, a lower alkoxycarbonyl group or a lower alkoxyalkoxycarbonyl group, Z represents a hydrogen atom, a chlorine atom, a bromine atom, a methyl group or an acylamino group, R.sup.1 represents a hydrogen atom, a lower alkyl group, a cyanoalkyl group, a hydroxyalkyl group, a lower alkoxyalkyl group, a lower alkoxyalkoxyalkyl group, an aryloxyalkyl group, an acyloxyalkyl group, an alkenyloxyalkyl group, a lower alkoxycarbonylalkyl group, a lower alkoxyalkoxycarbonylalkyl group, a lower alkoxycarbonyloxyalkyl group, an alkenyl group or an aralkyl group, R.sup.2 represents a hydrogen atom, a hydroxyalkyl group, a lower alkoxyalkyl group, a lower alkoxyalkoxyalkyl group, an aryloxyalkyl group, an acyloxyalkyl group, an alkenyloxyalkyl group, a lower alkoxycarbonylalkyl group, a lower alkoxyalkoxycarbonylalkyl group, a lower alkoxycarbonyloxyalkyl group, an alkenyl group or an aralkyl group, and R.sup.3 represents a hydrogen atom, a methyl group, a chlorine atom or a methoxy group, but R.sup.2 may represent a lower alkyl group in case that Y represents a lower alkoxycarbonyl group, Z represents an acylamino group or R.sup.3 represents a methyl group. The dyestuffs dye polyester fibers in a brilliant reddish-blue or blue shade and have good fastness properties, excellent temperature stability and pH stability in dyeing.
    • 由以下通式表示的聚酯纤维用双重染料:其中X表示氢原子,氯原子,三氟甲基或硝基,Y表示氰基,低级烷氧基羰基或低级烷氧基烷氧基羰基, Z表示氢原子,氯原子,溴原子,甲基或酰氨基,R1表示氢原子,低级烷基,氰基烷基,羟烷基,低级烷氧基烷基,低级烷氧基烷氧基烷基 芳氧基烷基,酰氧基烷基,烯氧基烷基,低级烷氧基羰基烷基,低级烷氧基烷氧基羰基烷基,低级烷氧基羰氧基烷基,链烯基或芳烷基,R2表示氢原子,羟烷基,低级烷氧基烷基 ,低级烷氧基烷氧基烷基,芳氧基烷基,酰氧基烷基,烯氧基烷基,低级烷氧羰基烷基,低级烷氧基 烷氧羰基烷基,低级烷氧基羰基氧基烷基,链烯基或芳烷基,R3表示氢原子,甲基,氯原子或甲氧基,但在Y表示低级烷基的情况下,R 2表示低级烷基 烷氧基羰基,Z表示酰氨基或R3表示甲基。 染料在明亮的红蓝色或蓝色色调中染色聚酯纤维,具有良好的坚牢性,优异的温度稳定性和染色中的pH稳定性。
    • 10. 发明授权
    • Guest-host type liquid crystal composition and liquid crystal display
device
    • 宾主型液晶组合物和液晶显示装置
    • US4483593A
    • 1984-11-20
    • US359513
    • 1982-03-18
    • Shuji ImazekiAkio MukohMikio SatoSeiichi ImahoriMasaharu KanekoTetsuo Ozawa
    • Shuji ImazekiAkio MukohMikio SatoSeiichi ImahoriMasaharu KanekoTetsuo Ozawa
    • C09B1/22C09B31/043C09B31/062C09K19/60G02F1/13G09F9/00G09F9/35C09K3/34
    • C09B1/22C09B31/043C09B31/062C09K19/603
    • The present liquid crystal composition is characterized by containing a dye of anthraquinone series represented by the following general formula (1) dissolved as a guest in a host liquid crystal: ##STR1## wherein R represents an alkyl group or a cycloalkyl group. The alkyl group or the cycloalkyl group of the dye of anthraquinone series includes those substituted by alkyl, hydroxyl, alkoxy, cycloalkyl, aryl, aryloxy, dialkylamino, or heterocyclic residue. Furthermore, the liquid crystal composition can contain two or more other kinds of the dye of anthraquinone series, or can be used in combination with other dyes. In the dye of anthraquinone series, the group --COOR at the 2-position and the group --CN at the 3-position are particularly important for realization of cyan color and a high S value.The dye of anthraquinone series is particularly effective for preparation of a black dye.The present liquid crystal display device is characterized by comprising a liquid crystal cell comprising two transparent juxtaposed substrate plates, transparent electrodes formed each on the opposite inner surfaces of the substrate plates, alignment films formed each on the opposite inner surfaces of the substrate plates to cover the transparent electrodes and align liquid crystal molecules, sealing members for keeping the two substrate plates at a predetermined distance, a liquid crystal composition containing the dye represented by the said general formula (1) being filled in the liquid crystal cell, and a light source being provided outside the liquid crystal cell.
    • 本液晶组合物的特征在于,在主液晶中含有作为客体溶解的下述通式(1)表示的蒽醌系染料:其中,R表示烷基或环烷基。 蒽醌系染料的烷基或环烷基包括被烷基,羟基,烷氧基,环烷基,芳基,芳氧基,二烷基氨基或杂环残基取代的烷基或环烷基。 此外,液晶组合物可以含有两种以上其它种类的蒽醌系染料,也可以与其它染料组合使用。 在蒽醌系染料中,2-位上的-COOR基和3-位的基团-CN对于实现青色和高S值是特别重要的。 蒽醌系列的染料对于制备黑色染料是特别有效的。 本液晶显示装置的特征在于包括一个液晶单元,该液晶单元包括两个透明的并置的基板,每个在基板的相对的内表面上形成的透明电极,每个在基板的相对的内表面上形成的取向膜覆盖 透明电极和对准液晶分子,用于将两个基板保持在预定距离的密封构件,将含有由所述通式(1)表示的染料的液晶组合物填充在液晶单元中,以及光源 设置在液晶单元的外部。