Process for improving the light-fastness of leather dyeings

Bleaching and dyeing; fluid treatment and chemical modification – Dyeing involving animal-derived natural fiber material ,... – Leather dyeing

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8941R, 8436, 8624, D06P 332

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active

048182460

ABSTRACT:
For improving the light-fastness of leather dyed with anionic dyes, the leather is treated, before, during or after dyeing, with a compound of copper.

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