Blending technology for combed cotton and regenerated cellulose fibers

Abstract

Provided is blending technology for combed cotton and regenerated cellulose fibers, relating to the technical field of spinning technology. Cotton and regenerated cellulose fibers are mixed and pre-blended in order to obtain mixed and pre-blended strips. Then, the mixed and pre-blended strips are subjected to combing operation. Therefore, internal structures and quality of external appearance forfibers of regenerated cellulose fiber card sliver are greatly improved. Two kinds of fibers are subjected to combing operation in sync so that two kinds of fibers are uniformly distributed in yarn sections. Lumps, joined filaments, crude fibers and other harmful defects in regenerated cellulose fibers are removed so that cloth cover is improved. Extended parallelization of regenerated cellulose fibers is improved. The internal structures and appearance quality for fibers in sliver are improved.

Description

technical field [0001] The invention relates to the technical field of spinning technology, in particular to a blending process of combed cotton and regenerated cellulose fibers. Background technique [0002] Cotton fiber is the first pure natural fiber used by humans for spinning and weaving. Although it has good wearability, the price of high-quality cotton fiber has gradually increased with the harsh planting environment and the increase of planting costs. With the improvement of industrial technology, regenerated cellulose fibers such as viscose, modal, tencel, and bamboo fiber have become a major role in textiles. [0003] Regenerated cellulose fibers such as viscose, modal, tencel, bamboo fiber, etc. have good air permeability, and the basic chemical composition of the fiber is the same as that of cotton fiber. Therefore, some of its properties are close to those of cotton fiber. The regenerated cellulose fiber fabric feels soft, smooth and cool, and is not easy to g...

AI Technical Summary

Problems solved by technology

[0006] 1. In the regenerated cellulose fiber, there are some defects such as hard lumps, parallel threads, and thick fibers that affect the quality of spinning and cloth surface. Although some of them can be removed after cotton spinning cleaning and carding processes, there are still some that cannot be removed. Affects the final yarn quality and the uniform dyeing of the cloth surface, which cannot meet the needs of high-end textiles

[0007] 2. After the regenerated cellulose fiber is opened and cleaned, carded, and pre-drawn, the regenerated cellulose fiber is pre-drawn, and then mixed with the combed sliver for drafting. There are regenerated cellulose fiber pre-drawing and combing. The straightness of sliver fibers is quite different, and the two fibers cannot be cohesively in the drawing and mixing process, which has the disadvantages of increasing the drafting defect of the cotton web and affecting the quality of the yarn

[0008] 3. The combed sliver is made independently, and then mixed with the regenerated cellulose fiber pre-drawing. Generally, it is not considered that when the regenerated cellulose fiber content is high, the noil rate of the combed sliver in the combing process should also be biased. Low variation mastering, thus not enabling economical spinning manufacturing

[0009] 4. The combed cotton sliver is made independently, and then mixed with the regenerated cellulose fiber for pre-drawing. Generally, two or three passes are required, and the production process is relatively long.