Production process for color-mixing denim and the color-mixing denim made thereby

Abstract

The invention relates to mixed denim and a technique for producing the same. The technique is as follows: firstly, multi-color segment dyeing yarns are adopted to be arranged and combined into bottom colored flower patterns of the denim; secondly, a main fundamental color required by the denim is dyed for the second time on a surface layer of the denim yarns; thirdly, partial colors on the surface layer of the denim are locally peeled off and internal colors of the yarns and the bottom colored flower patterns of the denim are exposed, thereby the mixed effect that the boundary of the flower patterns is blurred and the color is soft is protruded. The technique for producing the mixed denim comprises the following steps of: production of the multi-color segment yarns, yarn mixing and warping, pretreatment, dyeing and sizing, weaving and after finishing. The mixed flower patterns reach the effects of roughness, rusticity, rich color, softness and naturalness, and the techniques such as flower production, dyeing, sizing and so on can be finished once simultaneously, thereby the technique reduces labor duplication, saves a great deal of energy and can obviously reduce the production cost and the pollution of the mixed denim and the multi-color segment dyeing yarns.

Description

technical field [0001] The invention belongs to the technical field of textile printing and dyeing, in particular to a production process of mixed-color denim and the prepared mixed-color denim. Background technique [0002] At present, the patterns of clothing and textiles are mainly produced by jacquard or printing or spraying on the woven fabrics, while the popular patterns of denim fabrics are usually produced by using slub yarns, thick yarns and ordinary plain yarns. A certain ratio, after dyeing and sizing by a sizing and dyeing machine, weaves into fabrics, and then washes and scrubs to remove part of the color of the yarn surface; or dyes the main color of the fabric on the woven gray fabric. The base color is printed with patterns of different colors. [0003] The patent application number is 200510094250.7 discloses a production process of colored denim, which is to divide thousands of cotton yarns into several groups in proportion, and each group of cotton yarns ...

AI Technical Summary

Problems solved by technology

[0004] These technologies have their own advantages, but their disadvantages are: 1. Reprinting on the woven cloth, the process technology is complicated, the repetitive labor workload is large, the production efficiency is low, and the production cost is high.

2. Denim is woven with slub yarn, thick and thin yarn and ordinary plain yarn in a certain ratio. Although the pattern is natural, its arrangement and combination rules are not easy to control

3. The mixed-color patterns produced by printing on the woven fabrics are often brighter, and it is difficult to maintain the unique rough and simple style of denim fabrics.

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