Finishing and bleaching cellulose-contg. textiles - using aq. baths contg. hydrazine its salts or adducts alkali hydroxides, wetting agents and complex formers

摘要

Cellulose-contg. textiles are finished by treatment, at raised temps., in aq. baths contg. alkali hydroxides, wetting agents and complex formers as well as 0.1-10 (0.5-4) wt.% hydrazine, its salts and/or adducts, pref. hydrazine hydrate, followed by rinsing, neutralising and drying. Process is applicable for bleaching/finishing natural or regenerated cellulose fibres and their blends with polyesters or polyamides.