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A kind of two-color effect hemp-like fiber and its preparation method

A two-color effect and fiber technology, applied in the direction of textiles, papermaking, yarn, etc., can solve the problems of unfavorable production cost reduction and large-scale production, complex production process, low production efficiency, etc., to achieve large-scale production and application, production The effect of simple process and low production cost

Active Publication Date: 2018-07-20
厦门翔鹭化纤股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The method for preparing two-color linen-like fibers needs to prepare A spinning and B-spinning respectively, and then through false twisting processing, the linen-like fibers with two-color effect can be obtained. The production process is complicated, the production process is long and the production efficiency is low, which is not conducive to the quality of the product. Production cost reduction and mass production

Method used

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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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] The invention provides a hemp-like fiber with two-color effect, which is prepared by stretching and deforming a single-strand pre-oriented polyester fiber through a false twisting machine. In the fiber length direction, fluffy segments and stiff segments are irregularly distributed, and the residual torque in the fiber is is zero, the fiber neck stretch zone is irregularly distributed in the fiber length direction.

[0026] The stiff silk segments are irregularly distributed in the stretching zone of the narrow neck of the fiber in the fiber length direction, and the stretching zone of the narrow neck of the fiber, the fluffy segment and the stiff silk segment are distributed irregularly and alternately. The length of the fiber thin neck tensile zone is 5~120mm, the length is not uniform and irregular; the length of the fluffy section is 5~100mm, the length is not uniform and irregular; the length of the stiff silk section is 5~100mm, the length is not uniform, Irregula...

Embodiment 2

[0035] The invention provides a hemp-like fiber with two-color effect, which is prepared by stretching and deforming a single-strand pre-oriented polyester fiber through a false twisting machine. In the fiber length direction, fluffy segments and stiff segments are irregularly distributed, and the residual torque in the fiber is is zero, the fiber neck stretch zone is irregularly distributed in the fiber length direction.

[0036] The stiff silk segments are irregularly distributed in the stretching zone of the narrow neck of the fiber in the fiber length direction, and the stretching zone of the narrow neck of the fiber, the fluffy segment and the stiff silk segment are distributed irregularly and alternately. The length of the fiber thin neck tensile zone is 5~120mm, the length is not uniform and irregular; the length of the fluffy section is 5~100mm, the length is not uniform and irregular; the length of the stiff silk section is 5~100mm, the length is not uniform, Irregula...

Embodiment 3

[0045] The invention provides a hemp-like fiber with two-color effect, which is prepared by stretching and deforming a single-strand pre-oriented polyester fiber through a false twisting machine. In the fiber length direction, fluffy segments and stiff segments are irregularly distributed, and the residual torque in the fiber is is zero, the fiber neck stretch zone is irregularly distributed in the fiber length direction.

[0046] The stiff silk segments are irregularly distributed in the stretching zone of the narrow neck of the fiber in the fiber length direction, and the stretching zone of the narrow neck of the fiber, the fluffy segment and the stiff silk segment are distributed irregularly and alternately. The length of the fiber thin neck tensile zone is 5~120mm, the length is not uniform and irregular; the length of the fluffy section is 5~100mm, the length is not uniform and irregular; the length of the stiff silk section is 5~100mm, the length is not uniform, Irregula...

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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Abstract

The invention discloses contrast effect flax-like fiber, which is prepared by stretching and deforming sub-thread pre-orientation polyester fiber through a false-twist texturing machine, wherein fluffy sections and ossified filament sections are irregularly distributed in a fiber length direction, residual torque in the fiber is zero, and fiber thin neck stretching areas are irregularly distributed in the fiber length direction. The invention also provides a preparation method of the contrast effect flax-like fiber. The preparation method comprises the following steps of enabling the sub-thread pre-orientation polyester fiber to sequentially pass through a zero roller, a hot roller, a roller I, a first heat box, a cooling plate, the false-twist texturing machine, a roller II, a second heat box, a nozzle and an oil wheel, and winding to form the contrast effect flax-like fiber. The contrast effect flax-like fiber has the characteristics of good flax-like grain effect and capability of being dyed to form a same color system shade effect. The preparation method of the flax-like fiber is simple in production process, low in production cost, and beneficial to production and application in a large scale.

Description

technical field [0001] The invention relates to a chemical fiber and a preparation method thereof, in particular to a hemp-like fiber with double-color effect and a preparation method thereof. Background technique [0002] Due to the characteristics of hemp fiber, pure hemp fabric has the advantages of fast heat transfer, good air permeability, and cool wearing. Pure hemp fabric is also popular in the pursuit of fashion and trends. The unique two-color style is more people's pursuit, but because Hemp fiber is a kind of cellulose fiber. It has unique natural properties and also has disadvantages, such as easy to wrinkle, easy to fade when dyed, easy to shrink and deform when exposed to water, etc. Hemp fiber is also affected by raw material sources and prices. Therefore, the use of chemical fibers to prepare hemp-like fibers with two-color effects has become a hot research direction. [0003] Chinese invention patent CN 103255523 A discloses a two-color effect polyester blen...

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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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): D02G3/34D02J1/22D02G1/02D02J13/00
Inventor 陈茶娇刘建煌刘龙敏贺君卿郑铮吴铁城刘志麟田艳艳
Owner 厦门翔鹭化纤股份有限公司
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