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首页> 外国专利> Dye mixture, useful for coloring leather, comprises a first anionic dye, a second anionic dye, and third anionic dye, where the first and third anionic dye are azo dyes, and the second anionic dye is the azo dye or napthalene-azo dye

Dye mixture, useful for coloring leather, comprises a first anionic dye, a second anionic dye, and third anionic dye, where the first and third anionic dye are azo dyes, and the second anionic dye is the azo dye or napthalene-azo dye

机译：用于皮革着色的染料混合物包含第一阴离子染料，第二阴离子染料和第三阴离子染料，其中第一和第三阴离子染料是偶氮染料，第二阴离子染料是偶氮染料或萘-偶氮染料

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Dye mixture comprises a first anionic dye; a second anionic dye, which exhibits different color from the first anionic dye; and optionally third anionic dye, which exhibits different color from the first and second anionic dye, where: the first anionic dye is an azo dye (I)-(III), the second anionic dye is (I)-(III) or their salt or metal complex or napthalene-azo dye of formula (IV) or its salt or metal complex, and the third anionic dye is (II)-(IV) or their salt or metal complex. Dye mixture comprises a first anionic dye; a second anionic dye, which exhibits different color from the first anionic dye; and optionally third anionic dye, which exhibits different color from the first and second anionic dyes, where: the first anionic dye is an azo dye of formulae (I)-(III), the second anionic dye is (I)-(III) or their salt or metal complex or napthalene-azo dye of formula (IV) or its salt or metal complex, and the third anionic dye is (II)-(IV) or their salt or metal complex. Dk : SO 3H; n : 0 or 1; A : SO 3H or substituted benzene group of formula (A1); X : H or SO 3H; Y 1H, halo, 1-4C-alkyl, CN or SO 3H; B 1CH=CH 2or CH 2-CH 2-Q; Q : a group, which is cleavable under alkali conditions; Dk : phenyl or naphthyl (both optionally substituted by 1-3 R1a); R1a : 1-4C-alkylaminosulfonylamino, di-1-4C-alkylaminosulfonylamino, phenylamino, phenylaminocarbonyl, phenoxy, phenylsulfonyl, phenylsulfonylamino, phenylaminosulfonyl, phenylcarbonylamino, phenylaminocarbonyloxy or phenylaminocarbonylamino (all optionally substituted by 1-4C-alkyl, OH, COOH, 1-4C-alkoxy, 1-4C-alkylcarbonyloxy, 1-4C-alkylcarbonylamino, 1-4C-alkoxycarbonyl, NH 2, NO 2, SO 3H or halo at the phenyl ring), SO 3H, COOH, CN, CONH 2, OH, NH 2, NO 2, halo, 1-4C-alkyl, 1-4C-hydroxyalkyl, carboxy-1-4C-alkyl, 1-4C-alkoxy, 1-4C-alkylamino, 1-4C-dialkylamino, 1-4C-alkylaminocarbonyl, 1-4C-dialkylaminocarbonyl, 1-4C-alkylcarbonylamino, N-(1-4C-alkylcarbonyl)-N-(1-4C-alkylcarbonyl)amino, 1-4C-alkylaminocarbonyloxy, 1-4C-dialkylaminocarbonyloxy, 1-4C-alkylaminocarbonylamino, 1-4C-dialkylaminocarbonylamino, 1-4C-alkoxycarbonylamino, 1-4C-hydroxy-1-4C-alkylamino, carboxy-1-4C-alkylamino, 1-4C-alkylsulfonyl, hydroxy-1-4C-alkylsulfonyl, 1-4C-alkylaminosulfonyl, 1-4C-alkylsulfonylamino, aminocarbonyl, SO 2NR 11R 12, or 5- or 6-membered heterocyclyl (optionally substituted by one or two of OH, halo, 1-4C-alkyl or phenyl (optionally substituted by 1-4C-alkyl, OH, COOH, 1-4C-alkoxy, 1-4C-alkylcarbonyloxy, 1-4C-alkylcarbonylamino, 1-4C-alkoxycarbonyl, NH 2, NO 2, SO 3H or halo)); R 11, R 12H, 1-4C-alkyl, formyl, 1-4C-alkylcarbonyl, 1-4C-alkyloxycarbonyl, NH 2-CO or 1-4C-alkylaminocarbonyl; Ar 1a bivalent residue of benzene or naphthalene (optionally substituted by 1-4 substituents of R1b); R1b : R1a; R 1NH 2or OH; R 2OH, NH 2, 1-4C-alkoxy, 1-4C-alkylamino, 1-4C-hydroxyalkylamino, (HO 3S-1-4C-alkyl)amino, 1-4C-dialkylamino, 1-4C-alkylcarbonylamino, N-(1-4C-alkyl)-N-(1-4C-alkylcarbonyl)amino, 1-4C-alkylaminocarbonyloxy, 1-4C-dialkylaminocarbonyloxy, 1-4C-alkylaminocarbonylamino, 1-4C-dialkylaminocarbonylamino, 1-4C-alkoxycarbonylamino, carboxy-1-4C-alkylamino, 1-4C-alkylsulfonylamino, phenylaminocarbonyloxy, phenylaminocarbonylamino, phenylcarbonylamino or phenylsulfonylamino (where the phenyl ring is optionally substituted by 1-3 OH, NO 2, halo, 1-4C-alkoxy, 1-4C-alkyl or SO 3H); either m-s : 0 or 1; or n+q : 0 or 1; or r+s : 1 or 2; k : 0-2; Ar 2Ar 1; R2x : R 2; T : SO 3H or a bivalent residue of formula (T1); R 3, R3a : H, halo, COOH, OH or SO 3H; D 1a chemical bond, 1-4C-alkan-1,1-diyl, ethen-1,2-diyl, O, NH, C(O), S(O) 2, C(O)NH, NHC(O)NH or S(O) 2NH; KK : coupling component; X : R 1; Y 2H or R 2; and T 1T. Where: at least one of A or Dk contains SO 3H group, and k is not equal to 0. An independent claim is included for a method for coloring leather comprising treating the leather with an aqueous dye bath having a pH of 7.5-11 and containing the dye mixture. [Image] [Image] [Image] [Image].
机译：染料混合物包含第一阴离子染料;第二阴离子染料，其呈现与第一阴离子染料不同的颜色;以及可选的第三种阴离子染料，其具有与第一和第二种阴离子染料不同的颜色，其中：第一种阴离子染料是偶氮染料（I）-（III），第二种阴离子染料是（I）-（III）或其式（IV）的盐或金属络合物或萘-偶氮染料或其盐或金属络合物，并且第三阴离子染料是（II）-（IV）或其盐或金属络合物。染料混合物包含第一阴离子染料;第二阴离子染料，其呈现与第一阴离子染料不同的颜色;以及可选地，第三种阴离子染料，其与第一和第二种阴离子染料的颜色不同，其中：第一种阴离子染料是式（I）-（III）的偶氮染料，第二种阴离子染料是（I）-（III）或它们的盐或金属配合物或式（IV）的萘-偶氮染料或其盐或金属配合物，并且第三阴离子染料是（II）-（IV）或其盐或金属配合物。 Dk：SO 3 H; n：0或1; A：SO 3H或式（A1）的取代苯基; X：H或SO 3 H; Y 1> H，卤素，1-4C-烷基，CN或SO 3 H; B 1> CH = CH 2或CH 2-CH 2-Q; Q：在碱性条件下可裂解的基团; Dk：苯基或萘基（均任选被1-3个R1a取代）; R1a：1-4C-烷基氨基磺酰基氨基，二-1-4C-烷基氨基磺酰基氨基，苯氨基，苯氨基羰基，苯氧基，苯磺酰基，苯磺酰基氨基，苯氨基磺酰基，苯羰基氨基，苯氨基羰基氧基或苯氨基羰基氨基（全部被1-4C-烷基，OH，COOH取代4C-烷氧基，1-4C-烷基羰基氧基，1-4C-烷基羰基氨基，1-4C-烷氧基羰基，苯环上的NH 2，NO 2，SO 3H或卤素），SO 3H，COOH，CN，CONH 2， NH 2，NO 2，卤素，1-4C-烷基，1-4C-羟烷基，羧基-1-4C-烷基，1-4C-烷氧基，1-4C-烷基氨基，1-4C-二烷基氨基，1-4C-烷基氨基羰基，1-4C-二烷基氨基羰基，1-4C-烷基羰基氨基，N-（1-4C-烷基羰基）-N-（1-4C-烷基羰基）氨基，1-4C-烷基氨基羰氧基，1-4C-二烷基氨基羰氧基，1-4C -烷基氨基羰基氨基，1-4C-二烷基氨基羰基氨基，1-4C-烷氧基羰基氨基，1-4C-羟基-1-4C-烷基氨基，羧基-1-4C-烷基氨基，1-4C-烷基磺酰基，羟基-1-4C-烷基磺酰基，1 -4C-烷基氨基磺酰基，1-4C-烷基磺酰基氨基，a氨基羰基，SO 2NR 1> 1> R 1> 2>或5或6元杂环基（可选被OH，卤素，1-4C-烷基或苯基中的一个或两个取代（可选被1-4C-烷基取代） ，OH，COOH，1-4C-烷氧基，1-4C-烷基羰基氧基，1-4C-烷基羰基氨基，1-4C-烷氧基羰基，NH 2，NO 2，SO 3H或卤素））; R 1＞ 1，R 1＞ 2＞ H，1-4C-烷基，甲酰基，1-4C-烷基羰基，1-4C-烷氧基羰基，NH 2 -CO或1-4C-烷基氨基羰基; Ar 1>苯或萘的二价残基（任选地被R 1b的1-4个取代基取代）; R1b：R1a; R 1> NH 2或OH; R 2> OH，NH 2，1-4C-烷氧基，1-4C-烷基氨基，1-4C-羟基烷基氨基，（HO 3S-1-4C-烷基）氨基，1-4C-二烷基氨基，1-4C-烷基羰基氨基， N-（1-4C-烷基）-N-（1-4C-烷基羰基）氨基，1-4C-烷基氨基羰基氧基，1-4C-二烷基氨基羰基氧基，1-4C-烷基氨基羰基氨基，1-4C-二烷基氨基羰基氨基，1-4C-烷氧基羰基氨基，羧基-1-4C-烷基氨基，1-4C-烷基磺酰基氨基，苯基氨基羰氧基，苯基氨基羰基氨基，苯基羰基氨基或苯基磺酰基氨基（其中苯环可被1-3 OH，NO 2，卤素，1-4C-烷氧基，1-4C取代-烷基或SO 3 H）; m-s：0或1;或者或n + q：0或1;或r + s：1或2; k：0-2; Ar 2> Ar 1>; R2x：R 2>; T：SO 3H或式（T1）的二价残基; R 3>，R 3a：H，卤素，COOH，OH或SO 3 H; D 1>化学键，1-4C-烷-1,1-二基，乙二烯-1,2-二基，O，NH，C（O），S（O）2，C（O）NH，NHC O）NH或S（O）2NH; KK：耦合部件; X：R 1>; Y 2> H或R 2>;并且T 1> T。其中：A或Dk中的至少一个包含SO 3H基团，且k不等于0。对皮革着色的方法包括独立权利要求，该方法包括用pH为7.5-11的水性染料浴处理皮革。包含染料混合物。 [图像] [图像] [图像] [图像]。

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