Process of Dyeing Soybean Fiber with Reactive Dyes

Abstract

The present invention relates to the field of dyeing processes, particularly to a process for dyeing soybean fibers by using a reactive dye. According to the present invention, when the use amount of a dye is less than 1, the process comprises: adding an auxiliary agent, adding soda ash, adding a dye, adding sodium sulfate, adding sodium sulfate, adding sodium sulfate after 5 min, adding soda ash after 10 min, heating to a temperature of 65 DEG C at a speed of 1 DEG C / min, maintaining for 5 min at the temperature of 65 DEG C, adding soda ash, adding soda ash after 5 min, carrying out thermal insulation for 15 min, washing with clear water, maintaining the temperature at 40 DEG C, adding a soaping agent, rapidly heating to a temperature of 80 DEG C, carrying out thermal insulation for 10 min, washing with clear water, decreasing the temperature to 40 DEG C, adding HAC, increasing the temperature to 50 DEG C, carrying out thermal insulation for 15 min, carrying out three-bath change, adding a non-ionic antistatic agent, controlling the temperature at 40 DEG C, carrying out thermal insulation for 20 min, and discharging out of the cylinder; and the fiber dyed through the process of the present invention has the high color fastness.

Description

technical field [0001] The invention relates to the field of dyeing technology, in particular to a technology for dyeing soybean fiber with reactive dyes. Background technique [0002] Soybean fiber is a chemical fiber containing soybean protein developed by Chinese scientists and industrialized in recent years. It has a soft feel like cashmere, elegant luster like silk, moisture absorption and moisture conductivity of cotton fiber, and warmth retention similar to wool. And other excellent performance. In recent years, soybean fiber has been used by many textile enterprises to develop new clothing fabrics, clothing accessories, and bedding. The final products include knitted fabrics and woven fabrics, of which knitted fabrics are the majority. [0003] Soybean fiber is composed of soybean protein isolate and polyvinyl alcohol. The dyeing performance of soybean fiber is mainly related to its chemical composition and supramolecular structure. According to existing research, ...

AI Technical Summary

Problems solved by technology

However, the dyeing performance of reactive dyes on soybean fibers is quite different due to the difference in matrix structure, active group, and bridging group (connecting group), so not every cotton reactive dye is suitable for soybean fiber dyeing