New processing method for spinning ramee

A processing method and technology of ramie, applied in spinning machines, yarns, textiles and papermaking, etc., can solve the problems of processing and product quality, and achieve a small footprint, high fiber length uniformity, and less fiber damage Effect

Inactive Publication Date: 2007-10-24
DONGHUA UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] It can be seen from the above that there is no process in the existing ramie processing procedures that can completely and effectively eliminate the ultra-long fibers existing in ramie fibers, resulting in processing, due to the existence of ultra-long fibers, the processing process and product quality have brought adverse effects

Method used

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  • New processing method for spinning ramee

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Experimental program
Comparison scheme
Effect test

Embodiment

[0030]The ramie refined hemp produced in Hunan is adopted, and its properties are shown in Table 1:

[0031] average length

[0032] After adopting the stretch-cut spinning technique of the present invention to above-mentioned lean hemp raw material to process, the quality performance index of its semi-finished product and finished product is as shown in table 2 and table 3:

[0033] average

[0034] It can be seen from Table 1 that although the strength of the fiber after stretch cutting has decreased, the unevenness of the strength has been improved to a certain extent, and the elongation of the fiber has remained basically unchanged, especially the content of ultra-long fibers above 150mm has decreased significantly, and the content of long fibers above 250mm has decreased significantly. has been eliminated;

[0035] intensity

[0036] The above experimental results show that: after adopting the stretch-cutting process, since the ultra-lon...

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Abstract

A method for spinning ramie fibres features that a draft-cut step is additionally arranged between carding step and pre-drawing step for decreasing the ultra-long fibres and the ramie particles.

Description

Technical field: [0001] The invention belongs to the field of textile engineering and relates to a ramie spinning processing method. Background technique: [0002] The existing ramie spinning processing flow is: [0003] Refined hemp → opening process → carding process → pre-combing process (2 steps) → combing process → needle carding process (3-4 steps) → roving process → spinning process. [0004] The problem that existing ramie spinning process flow exists is: [0005] The fiber length of ramie fiber varies greatly. In the carded sliver, the average fiber length is 50-70mm, and the longest fiber length can reach more than 400mm, and the length variation coefficient is 70%-80%. Even after combing, some short fibers are excluded, but there are still some long fibers (with a length of 150-250mm) and ultra-long fibers (with a length of more than 250mm), so that the unevenness of fiber length in the sliver is still as high as 40-50%, so in the combing, needle carding, rovin...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): D02G3/02D01H5/32D01H5/50
Inventor 郁崇文张元明杨建平
Owner DONGHUA UNIV
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