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A kind of preparation method of hemp-like fiber

A fiber and linen-like technology, which is applied in the field of preparation of linen-like fibers, can solve the problems of poor pilling performance, poor wear resistance, and easy fiber breakage, and achieve high-strength wear-resistant prices, improved reactivity, and increased compatibility. Effect

Active Publication Date: 2022-03-15
苏州鑫极纺织有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, due to the loose yarn structure and non-uniform supramolecular structure of polyester network filaments, after the fabric is subjected to friction, the fibers are easy to break, slide out of the fabric surface and entangle with each other into balls, resulting in the pilling performance and wear resistance of the fabric. Poor sex

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

[0026] A kind of preparation method of hemp-like fiber is characterized in that, comprises the following steps:

[0027] S1. dissolving the chopped cotton fiber in the aqueous solution of sodium hydroxide / urea, the mass ratio of sodium hydroxide, urea and water is 7:10:75, obtains cellulose solution;

[0028] S2. Filtrating the cellulose solution obtained in step S1 to obtain cellulose fibers, and aging the cellulose fibers for 10 hours to obtain aged cellulose fibers;

[0029] S3. Add the cellulose fiber prepared in step S2 to the mixed solution of liquid paraffin and Span-80, stir for a period of time, the stirring time is 2h, add hydrochloric acid solution, until the pH of the mixed solution is 7, after standing still, Separating the lower layer material to obtain cellulose microspheres;

[0030] S4. Sieve through a standard sieve to obtain cellulose microspheres with a particle size range below 40um, add the cellulose microspheres to the solution of anhydrous pyridine for...

Embodiment 2

[0034] A kind of preparation method of hemp-like fiber is characterized in that, comprises the following steps:

[0035] S1. dissolving the chopped cotton fiber in the aqueous solution of sodium hydroxide / urea, the mass ratio of sodium hydroxide, urea and water is 12:5:85, obtains cellulose solution;

[0036] S2. Filtrating the cellulose solution obtained in step S1 to obtain cellulose fibers, and aging the cellulose fibers for 20 hours to obtain aged cellulose fibers;

[0037] S3. Add the cellulose fiber prepared in step S2 to the mixed solution of liquid paraffin and Span-80, stir for a period of time, the stirring time is 4h, add hydrochloric acid solution, until the pH of the mixed solution is 7, after standing, Separating the lower layer material to obtain cellulose microspheres;

[0038] S4. Sieve through a standard sieve to obtain cellulose microspheres with a particle size range below 40um, add the cellulose microspheres to the solution of anhydrous pyridine for ultra...

Embodiment 3

[0042] A kind of preparation method of hemp-like fiber is characterized in that, comprises the following steps:

[0043] S1. dissolving chopped cotton fiber in the aqueous solution of sodium hydroxide / urea, sodium hydroxide, the mass ratio of urea and water is 9:6:78, obtains cellulose solution;

[0044]S2. Filtrating the cellulose solution obtained in step S1 to obtain cellulose fibers, and aging the cellulose fibers for 12 hours to obtain aged cellulose fibers;

[0045] S3. Add the cellulose fiber prepared in step S2 to the mixed solution of liquid paraffin and Span-80, stir for a period of time, the stirring time is 3h, add hydrochloric acid solution, until the pH of the mixed solution is 7, after standing, Separating the lower layer material to obtain cellulose microspheres;

[0046] S4. Sieve through a standard sieve to obtain cellulose microspheres with a particle size range below 40um, add the cellulose microspheres to the solution of anhydrous pyridine for ultrasonic ...

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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PUM

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Abstract

The invention provides a method for preparing hemp-like fibers, comprising the following steps: S1. preparing cellulose solution; S2. preparing aged cellulose fibers in step S1; S3. preparing cellulose microspheres; S4. preparing surface acetylated Cellulose microspheres; S5. Grind polyester slices into powder, then add surface acetylated cellulose microspheres to polyester powder according to a certain mass ratio, mix them evenly, and add them to a screw extruder to extrude out and pelletize to obtain modified recycled polyester masterbatch; S6. melt the modified recycled polyester masterbatch prepared in step S5 into a spinning solution, and spin through a melt spinning machine to prepare polyester fiber. The invention provides a hemp-like fiber, which uses the combination of polyester and cellulose microspheres to control the diameter of spinning and the fact that the cellulose is the microspheres to obtain a polyester fiber with hemp-like slub effect.

Description

technical field [0001] The invention relates to the field of functional fibers, in particular to a method for preparing hemp-like fibers. Background technique [0002] Polyester linen-like fabric is favored by consumers because of its unique style characteristics. Hemp fabric is popular for its rough and natural appearance, as well as antibacterial, moisture-wicking and other properties. However, pure hemp fiber has a high stiffness and itching feeling, and the garment is easy to wrinkle. Therefore, various hemp-like fibers have emerged as the times require. Linen-like products can be divided into linen-like appearance and linen-like performance. The linen-like process can be started from four aspects: raw materials, spinning technology, weaving, and finishing. In terms of appearance, certain effects can be achieved from the aspects of weave, spinning process and finishing, such as crepe weave, slub yarn, wrinkle treatment, etc.; Linear density and other aspects to achiev...

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): D01F6/92D01F1/10D01D5/08
CPCD01F6/92D01F1/10D01D5/08
Inventor 徐新杰
Owner 苏州鑫极纺织有限公司
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