Uniform printing of cellulosics with tri:phen:dioxazine reactive dyes - by using printing paste contg. mono:chloroacetate and opt. also alkali bi:carbonate and/or a thickener

摘要

The novel feature in the printing of cellulose fibre-contg. textiles using an aq. paste contg. a triphendioxazine reactive dye is that the paste also contains (a) a monochloroacetate; and opt. also (b) an alkali (pref. Na) bicarbonate; and/or (c) a thickener, pref. Na alginate. The paste should contain no or only small amts. of urea. USE/ADVANTAGE - The process is pref. for use with triphendioxazine dyes contg. triazine, pyrimidine or sulphatoethylsulphone reactive gps. and gives uniform results even when there are variations in dyeing conditions such as changes in the humidity of steam used in steaming. (Dwg.0/0)