A kind of continuous preparation method of cellulose fiber

A technology of cellulose fibers and cellulose filaments, applied in the field of cellulose fibers, can solve the problems of restricting continuous and efficient preparation and promotion of cellulose fibers, unfavorable for subsequent development and application, and reducing fiber quality, and achieves stable preparation and optimization. Draftability, effect of reducing the degree of fibrillation
CN111155183BActive Publication Date: 2021-08-31CHINESE TEXTILE ACAD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
CHINESE TEXTILE ACAD
Publication Date
2021-08-31

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Abstract

The invention discloses a continuous preparation method of cellulose fibers. The preparation method applies a forming tension of 0.1 to 1.9 cN / dtex to a thin stream of raw liquid obtained by extrusion through a spinneret and cooling through an air gap, and then the feeding speed is 80 ~1000m / min coagulation bath, and continue to apply a pulling tension of 0.075~1.5cN / dtex to the washed fibers in the washing system after the coagulation bath, and finally send it to the post-processing system to achieve continuous high efficiency at a speed of 80~1000m / min Fibres for textile products. The preparation method provided by the invention can significantly adjust the problems of obvious fibrillation, low fiber elongation, and poor fiber uniformity of cellulose fibers under high-speed traction, realize high-speed and high-quality preparation of cellulose fibers, and further greatly improve production efficiency. The production cost is reduced, and an efficient and continuous method for preparing cellulose fibers that is more suitable for industrialization is formed.
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Description

technical field

[0001] The invention belongs to the technical field of cellulose fibers, and in particular relates to a continuous preparation method of cellulose fibers. Background technique

[0002] In the current industry, the spinning speed of the new solvent method cellulose staple fiber is about 40m / min, and the spinning speed of cellulose filament is below 200m / min, the production efficiency is low, the production cost is high, and it is difficult to promote large-scale and high-profit industrialization . Cellulose fiber is different from other types of fibers. Its easy fibrillation not only restricts the improvement of spinning speed, but also affects the stability of the production process and application fields of fibers. Low-speed preparation means poor economic benefits, but with the increase of spinning speed, fiber fibrillation is obvious during the preparation process, coupled with serious damage to fibers by equipment, and poor uniformity, it is difficult to...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
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