Procedure for dying polyamide or acetilcellulose in unsolved condition. (Machine-translation by Google Translate, not legally binding)

摘要

Process for dyeing polyamides or acetylcellulose in the non-molded state characterized by dyeing the material at elevated temperature and in weakly acidic medium until strongly alkaline in aqueous solutions of alcohols limitedly soluble in water, with vat dyes and in the presence of formaldehyde sulfoxylate and a boranato, the tinctures are revealed by oxidation, rinsing, soaping or vaporizing and then molding the dyed structures. (Machine-translation by Google Translate, not legally binding)