Unconditioned color combination with microencapsulated disperse dyes based on auxiliary-free solubilization

Unconditioned color combination based on auxiliary-free solubilization can be carried out on pure disperse dyes with poor compatibility by varying preparation conditions of microencapsulation.Uptake curve,build-up curve,K /S value,brightness L value,a value(red and green axis),b value(yellow and blue axis),H value(hue angle) and related properties of dyed samples,such as washing fastness,rubbing fastness and levelness,were studied respectively.The results show that compatibility of disperse dyes are significantly improved by microencapsulation.The fastnesses of ultra-fine PET dyed with microencapsulated disperse dyes are as good as that of the samples dyed with auxiliary solubilization disperse dyes.The levelness reaches about 5 grade.