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发明公开
CN103201396A 非金属鞣制 有权 转让

非金属鞣制
摘要：
通过非金属鞣制生产鞣制皮革、外皮或裸皮，所述非金属鞣制包括在鞣制浴中，用鞣制剂(A)鞣制软化的生皮、皮或裸皮的步骤，所述鞣制剂(A)为包含磺基的二氯二嗪，选自式(I)或式(II)或式(III)的化合物以及它们的两种或者更多种的混合物，其中R1表示氢、甲基、甲氧基、苯甲酰基、萘甲酰基、单-或二(C1-4烷基)-氨基羰基、C1-8烷氧基羰基或氧基-单-或低聚-(C2-3亚烷氧基)-羰基；R2-(SO3M)n表示式a)或b)的基团；R3表示氢，d-8-烷基，d-s-烷氧基；m是1或2；n是1或2；以及M表示氢或碱金属阳离子或铵阳离子，所述铵阳离子为质子化的叔胺或季铵阳离子；所述鞣制浴在鞣制步骤开始时的pH为6-10。
摘要（英）：

Tanned leather, skin or pelt is produced by non-metal tanning, comprising the step of tanning a bated hide, skin or pelt with a tanning agent (A), the tanning agent (A) being a sulpho-group-containing dichloro-diazine selected from compounds of formula (I), of formula (II), and of formula (III), and mixtures of two or more thereof, wherein R1 signifies hydrogen, methyl, methoxy, benzoyl, naphthoyi, mono- or di(C1-4-alkyl)-aminocarbonyl, C1-8-alkoxy-carbonyl or oxy-mono- or oligo-(C2-3-alkyleneoxy)-carbonyl; R2-(SO3M)n signifies a radical of formula a) or b); and R3 signifies hydrogen, d-8-alkyl or d-s-alkoxy, m is 1 or 2, n is 1 or 2 and M signifies hydrogen or an alkali metal cation or an ammonium cation, the ammonium cation being a protonated tertiary amine or a quaternary ammonium cation, and in a tanning bath, the tanning bath having a pH of from 6 to 10 at the beginning of tanning step.

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