Printing and dyeing technology of silk floss anti-fouling coating fabric

Abstract

The invention discloses a printing and dyeing technology of a silk floss anti-fouling coating fabric. The technology comprises the following steps that firstly, a silk floss fabric is put into a degumming solution containing alkyl polyglucoside, calcium hydroxide and biological enzyme for desizing and degumming treatment, and sulfuric acid or phosphoric acid is added into the boiled degumming solution for neutralization reaction; then the fabric is put into a mixed softening solution to be softened, a treating fluid is added, and softening, boiling-off and bleaching one-bath treatment is conducted; the fabric is placed into a solution containing chitosan and acetic acid for antibacterial treatment; the treated fabric is soaked in a reactive dye, stirred through a stirring impeller and ultrasonic waves and subjected to repeated pressurization and pressure relief treatment; negative pressure treatment is carried out, steam dyeing is conducted at normal pressure by using reactive dye steam, a color fixing agent is sprayed, and the fabric is subjected to steam dyeing with water vapor; secondary coating treatment is performed after washing and drying, and a finished product is obtained.The technology has the advantages of being uniform in dyeing, high in dye-uptake rate, high in color fastness and low in environmental pollution.

Description

technical field [0001] The invention relates to a fabric printing and dyeing process, in particular to a silk cotton anti-fouling coating fabric printing and dyeing process. Background technique [0002] Cotton fiber is a kind of natural cellulose fiber, which has many characteristics such as soft hand feeling, light resistance and alkali resistance, and excellent dyeing performance. Silk fiber is a kind of natural protein fiber with delicate appearance, soft luster and smooth hand feeling. The interweaving of silk and cotton fibers can improve the hygroscopicity and warmth retention of silk products, improve the feel and luster of pure cotton products, improve the health care function of yarn-dyed products, and increase the added value of fiber products. The most important and most potential dyes currently used in cotton fiber and silk fiber dyeing are reactive dyes. Due to the different structure and dyeing performance of silk and cotton fibers, the dyeing amount of the ...

AI Technical Summary

Problems solved by technology

Due to the different structure and dyeing performance of silk and cotton fibers, the dyeing amount of the color is also different. It is easy to cause color difference when dyeing, and the dyeing rate is not high. The finished product obtained after dyeing is easy to fade when used later, and the color fastness It is not ideal; in order to improve the dyeing rate and uniformity of dyeing, complex pretreatment steps and various auxiliary agents are required. At present, the pretreatment of silk and cotton fabrics is mostly under high temperature conditions, with the help of caustic soda or soda ash, hydrogen peroxide and Other scouring aids are carried out, the production energy consumption is high, the treatment time is long, and a large amount of polluted wastewater is produced, the amount of sewage is large, the degree of pollution to the environment is large, the amount of wastewater treatment is large and the cost is high

[0003] Therefore, the existing dyeing process of silk cotton fabrics has the problems of uneven dyeing, low dye uptake, color fastness to be improved and great environmental pollution.