As a result, after coating, both fabrics dyed with Acid Orange 7, Reactive Red KD-8B or Direct Red f, their fastness in particular sunlightfastness was improved greatly.
Reactive dyes can impart polyamide fabric brilliant shade, good fastness especially to the sunlight, as well as the good combination with neutral and weak acid dyes.
The article analyzes various factors that influence the fastness to sunlight of reactive dyes and puts forward related measures for improving the fastness to sunlight of reactive dyes.