Process for the preparation of cationic dyestuffs
    1.
    发明授权
    Process for the preparation of cationic dyestuffs 失效
    阳离子染料的制备方法

    公开(公告)号:US4281112A

    公开(公告)日:1981-07-28

    申请号:US169582

    申请日:1980-07-17

    CPC分类号: C09B44/005 C09B26/04

    摘要: The preparation of hydrazone dyestuffs of the formula ##STR1## wherein R.sup.13 and R.sup.14 independently of one another represent hydrogen, C.sub.1 -- to C.sub.4 --alkyl, C.sub.1-- to C.sub.4-- alkoxy or halogen, in particular chlorine or bromine, andA.sup.- denotes an anionic radical,by reacting azo bases of the general formula ##STR2## wherein R.sup.13 and R.sup.14 have the above mentioned meaning andR.sup.15 represents hydrogen or the methyl group, with dimethyl sulphate in a mixture of water and an organic solvent and in the presence of an acid-binding agent, is characterized in that (a) aromatic or aliphatic chlorinated hydrocarbons are used as the organic solvents, (b) the reaction is carried out at a temperature of 10.degree.-60.degree. C., (c) a 5-90% excess of dimethyl sulphate is employed and (d) the reaction is allowed to proceed at a pH of 5-10.

    摘要翻译: 其中R 13和R 14彼此独立地表示氢,C 1至C 4 - 烷基,C 1至C 4 - 烷氧基或卤素,特别是氯或溴的式腙染料的制备,A - 表示阴离子 其中R 1和R 14具有上述含义并且R 15表示氢或甲基的偶氮碱与水和有机溶剂的混合物中的硫酸二甲酯反应, 其特征在于使用(a)芳族或脂族氯代烃作为有机溶剂,(b)反应在10〜60℃进行,(c)5-90 使用过量的过硫酸二甲酯,(d)使反应在5-10℃的pH下进行。

    Process for the preparation of solutions of cationic polyazo dyestuffs
    2.
    发明授权
    Process for the preparation of solutions of cationic polyazo dyestuffs 失效
    制备阳离子聚偶氮染料溶液的方法

    公开(公告)号:US4400321A

    公开(公告)日:1983-08-23

    申请号:US274338

    申请日:1981-06-17

    摘要: To prepare concentrated solutions of cationic polyazo dyestuffs of the formula ##STR1## in which R represents hydrogen or methyl andR.sup.1 represents an alkyl radical which has 1 to 3 carbon atoms and is optionally substituted by hydroxyl, alkoxy or halogen,and mixing coupling products thereof with aromatic monoamines, diaminobenzenes of the general formula ##STR2## in which R has the abovementioned meaning,if appropriate mixed with up to 30 mol % of aromatic monoamines of the formula ##STR3## in which R.sup.2 represents hydrogen, C.sub.1 - to C.sub.4 -alkyl, C.sub.1 - toC.sub.4 -alkoxy or C.sub.1 - to C.sub.4 -acylamino andn denotes a number from 1 to 3,are dissolved in aliphatic carboxylic acids which have 2 to 4 carbon atoms and can optionally be substituted by halogen, hydroxyl or alkoxy, and are reacted with 0.5 to 0.75 mol of a salt or ester of nitrous acid per mol of diamine at 0.degree. to 30.degree. C.

    摘要翻译: 制备式“IMAGE”的阳离子多偶氮染料的浓缩溶液,其中R表示氢或甲基,R 1表示具有1至3个碳原子并且任选被羟基,烷氧基或卤素取代的烷基,并且混合其偶联产物 与芳族单胺,通式为“IMAGE”的二氨基苯,其中R具有上述含义,如果合适的话,与高达30mol%的式“IMAGE”的芳族单胺混合,其中R 2表示氢,C 1至C 4 - 烷基 ,C 1〜C 4 - 烷氧基或C 1〜C 4酰基氨基,n表示1〜3的数,被溶解在碳原子数2〜4的脂肪族羧酸中,可任意地被卤素,羟基或烷氧基取代, 在0〜30℃下与0.5〜0.75摩尔亚硝酸的盐或酯相对于每摩尔二胺反应。

    Process for the preparation of cationic dyestuffs
    5.
    发明授权
    Process for the preparation of cationic dyestuffs 失效
    阳离子染料的制备方法

    公开(公告)号:US4343936A

    公开(公告)日:1982-08-10

    申请号:US245411

    申请日:1981-03-19

    CPC分类号: C09B44/005 C09B26/04

    摘要: Cationic dyestuffs of the general formula ##STR1## wherein R.sub.1 represents hydrogen, C.sub.1 -C.sub.4 -alkyl, C.sub.1 - to C.sub.4 -alkoxy, nitro or halogen,R.sub.2 represents hydrogen, C.sub.1 - to C.sub.4 -alkyl, C.sub.1 - to C.sub.4 -alkoxy, halogen or phenylazo,R.sub.3 represents C.sub.1 - to C.sub.3 -alkyl andA.sup..crclbar. represents an anion,are prepared by reacting azo bases of the general formula ##STR2## wherein R.sub.1 and R.sub.2 have the abovementioned meaning, or the salts thereof with inorganic or organic acids, with dialkyl sulphates of the general formula(R.sub.3 --O--).sub.2 SO.sub.2 IIIwherein R.sub.3 has the abovementioned meaning, in the absence of organic solvents and in the presence of water, the weight ratio of azo base to water being 100:20-300 and the molar ratio of azo base to dialkyl sulphate being 1:3.5-5.0, and, if desired, by replacing the alkyl-sulphate anion with another anion.

    摘要翻译: 其中R1代表氢,C1-C4烷基,C1-至C4-烷氧基,硝基或卤素,R2代表氢,C1-至C4-烷基,C1-至C4-烷氧基, 卤素或苯偶氮,R3表示C1-至C3-烷基,A( - )表示阴离子,通过使具有上述含义的通式II的偶氮碱或其盐与无机 或有机酸与通式(R 3 -O-)2 SO 2 III的二烷基硫酸盐反应,其中R3具有上述含义,在不存在有机溶剂的情况下,在水存在下,偶氮碱与水的重量比为100: 20-300,偶氮碱与硫酸二烷基酯的摩尔比为1:3.5-5.0,如果需要,用另一种阴离子代替烷基硫酸盐阴离子。

    Process for the preparation of cationic dyestuffs
    6.
    发明授权
    Process for the preparation of cationic dyestuffs 失效
    阳离子染料的制备方法

    公开(公告)号:US4342867A

    公开(公告)日:1982-08-03

    申请号:US245412

    申请日:1981-03-19

    CPC分类号: C09B44/005 C09B26/04

    摘要: Cationic dyestuffs of the general formula ##STR1## wherein R.sub.1 represents hydrogen, C.sub.1 -C.sub.4 -alkyl, C.sub.1 - to C.sub.4 - alkoxy, nitro or halogen,R.sub.2 represents hydrogen, C.sub.1 - to C.sub.4 -alkyl, C.sub.1 - to C.sub.4 -alkoxy, halogen or phenylazo,R.sub.3 represents C.sub.1 - to C.sub.3 -alkyl andA.crclbar. represents an anion,are prepared by reacting azo bases of the general formula ##STR2## wherein R.sub.1, R.sub.2 and R.sub.3 have the abovementioned meaning, with dialkyl sulphates of the general formula(R.sub.3 --O--).sub.2 SO.sub.2 (III)wherein R.sub.3 has the abovementioned meaning, in the absence of organic solvents and in the presence of water, the weight ratio of azo base to water being 100:15-100 and the molar ratio of azo base to dialkyl sulphate being 1:1.5-2.5, and, if desired, by replacing the alkyl-sulphate anion with another anion.

    摘要翻译: 通式为(I)的阳离子染料其中R1表示氢,C1-C4-烷基,C1-至C4-烷氧基,硝基或卤素,R2表示氢,C1-至C4-烷基,C1-至C4- 烷氧基,卤素或苯偶氮,R 3表示C 1〜C 3 - 烷基,A( - )表示阴离子,是通过使具有上述含义的通式Ⅻ的偶氮碱与二烷基 其中R3具有上述含义的通式(R3-O-)2SO2(Ⅲ)的硫酸盐,在无有机溶剂存在下,在水存在下,偶氮碱与水的重量比为100:15-100,和 偶氮碱与硫酸二烷基酯的摩尔比为1:1.5-2.5,如果需要,用另一阴离子代替烷基硫酸盐阴离子。

    Process for the preparation of solutions of cationic azo dyestuffs
    7.
    发明授权
    Process for the preparation of solutions of cationic azo dyestuffs 失效
    制备阳离子偶氮染料溶液的方法

    公开(公告)号:US4468349A

    公开(公告)日:1984-08-28

    申请号:US288567

    申请日:1981-07-30

    摘要: Concentrated stable solutions of cationic azo dyestuffs of the formula ##STR1## wherein A denotes the radical of an aromatic-carbocyclic or aromatic-heterocyclic diazo component,R denotes alkylene,R.sub.1 denotes hydrogen or alkyl,R.sub.2 denotes alkyl, alkenyl or aralkyl,R.sub.3 denotes alkyl,R.sub.4 denotes hydroxyalkyl with 2 or more C atoms,R.sub.5 denotes halogen, alkyl, alkoxy, aryloxy, acyl or acylamino,m denotes 0, 1, 2, 3 or 4 andAn .sup.(-) denotes a carboxylate ion,and wherein the cyclic and acyclic substituents can carry further non-ionic substituents, which solutions have a low salt content, are prepared by simultaneously reacting amines of the formulaA--NH.sub.2 (II)coupling components of the formula ##STR2## and alkali metal nitrites or alkaline earth metal nitrites in aqueous carboxylic acids and, if appropriate, organic water-soluble solvents, and then separating off the alkali metal sulphates or alkaline earth metal sulphates which thereby crystallize out.

    摘要翻译: 式(I)的阳离子偶氮染料的浓缩稳定溶液,其中A表示芳族 - 碳环或芳族 - 杂环重氮组分的基团,R表示亚烷基,R 1表示氢或烷基,R 2表示烷基,烯基或芳烷基 ,R3表示烷基,R4表示具有2个或更多个C原子的羟基烷基,R5表示卤素,烷基,烷氧基,芳氧基,酰基或酰氨基,m表示0,1,2,3或4,An( - )表示羧酸根离子, 并且其中所述环状和非环状取代基可携带另外的非离子取代基,该溶液具有低盐含量,其通过将式A-NH 2(II)的胺与式(III)的组分和 碱金属亚硝酸盐或碱土金属亚硝酸盐在水性羧酸和(如果合适的话)有机水溶性溶剂中,然后分离碱金属硫酸盐或碱土金属硫酸盐,从而结晶出来。

    Preparing concentrated azo dye solutions using nitrite salt as both
coupling component and diazotizing agent
    8.
    发明授权
    Preparing concentrated azo dye solutions using nitrite salt as both coupling component and diazotizing agent 失效
    使用亚硝酸盐作为偶联组分和重氮化剂制备浓缩偶氮染料溶液

    公开(公告)号:US4432899A

    公开(公告)日:1984-02-21

    申请号:US335940

    申请日:1981-12-30

    摘要: Concentrated, stable solutions, with a low salt content, of cationic azo dyestuffs of the formula ##STR1## wherein A denotes the radical of an aromatic-carbocyclic or aromatic heterocyclic diazo component,R denotes alkylene,R.sub.1 denotes hydrogen or alkyl,R.sub.2 denotes alkyl, alkenyl or aralkyl,R.sub.3 denotes alkyl,R.sub.4 denotes hydroxyalkyl having 2 or more C atoms,R.sub.5 denotes halogen, alkyl, alkoxy, aryloxy, acyl or acylamino,m denotes 0, 1, 2, 3 or 4, andAn.sup.- denotes a carboxylate ion,and whereinthe cyclic and acyclic substituents can carry further non-ionic substituents,are prepared by the reaction of amines of the formulaA-NH.sub.2with coupling components of the formula ##STR2## in aqueous carboxylic acids and, if appropriate, organic water-soluble solvents.

    摘要翻译: 浓度稳定的溶液,具有低盐含量的式(I)的阳离子偶氮染料,其中A表示芳族 - 碳环或芳族杂环重氮组分的基团,R表示亚烷基,R 1表示氢或烷基, R2表示烷基,烯基或芳烷基,R3表示烷基,R4表示具有2个或更多个C原子的羟烷基,R5表示卤素,烷基,烷氧基,芳氧基,酰基或酰氨基,m表示0,1,2,3或4, - 表示羧酸根离子,并且其中环状和非环状取代基可以携带另外的非离子取代基,是通过式A-NH 2的胺与式(Ⅰa)的偶联成分在含水羧酸中反应来制备的,如果 适当的有机水溶性溶剂。