Dyeing process of dual-type cashmere fiber

Abstract

The invention relates to the dyeing field of cashmere textile industry, in particular relates to the field of the dyeing technology for the dual-type fibers and the 'two fuzzes' of cashmere fibers and provides a dyeing process of dual-type cashmere fibers. The method has the biggest characteristic that the disulfide bonds on the surfaces of the dual-type cashmere fibers are opened by utilizing the pre-treatment technology; the dual-type cashmere fibers and the 'two fuzzes' are treated with a protein dialysate which is applied to the surfaces of the fibers; then the protein and the disulfide bonds are combined again through a reaction between active protein groups in the dialysate and the disulfide bonds, so that a layer of protein membranes is formed on the surface of each dual-type cashmere fiber and dried so as to enhance the dyeing property of the dual-type fibers; and finally the dyeing operation is carried out. The method has the superiority of being high in dyeing rate and small in dyeing color difference and realizing reduction in subsequent fuzz picking operations.

Description

technical field

[0001] The invention relates to the dyeing process in the cashmere textile industry, in particular to the dyeing process of two types of cashmere fibers. Background technique

[0002] Cashmere fiber is a rare textile raw material resource, known as "soft gold" and "diamond fiber". However, in recent years, with the implementation of policies such as "closing mountains and prohibiting grazing", "returning farmland to forests" and "returning grazing land to grass" in my country, goats have changed from the traditional "breeding" to "capture" mode, coupled with climate warming and Due to the improvement of goat breeds and other reasons, the quality of cashmere has changed. Variations in the quality of cashmere have resulted in an increasing number of two types of fibers and "two fine hairs" in cashmere. Because the chemical composition and protein structure of the two types of cashmere fiber roots are different, the thickness of the fiber root tips is obviously...