Cationic Modification of Cellulosic Fibres with Polyepichloro-hydrinamine Resins to Offer a Potential Dyeing Process Producing Cleaner Dyeing Effluent

摘要

Cationic modifying agent ( PECH- amine) with lower molecular weight and containing less nitrogen was prepared and characterized. The water-soluble cationic modification agent has high reactivity for cotton. Cotton modified by this agent can be dyed under salt-free and neutral conditions with direct and reactive dyes. Dyes in the dyebath could be completely exhausted and a dyeing effluent without residual dyes and salt could be expected.