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Environmentally friendly preparation method of cyperus tegetiformis fiber

An environmentally friendly, yellow grass technology, applied in the field of textile fibers, to achieve the effect of little impact on the environment

Active Publication Date: 2017-05-10
南通江淮衬布有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] However, with the continuous development of my country's textile industry, the demand for natural fibers continues to increase. At the same time, new requirements have been put forward for the performance of natural fibers and the amount of chemicals and sewage used in the fiber production process. Therefore, 10 years ago The method has been unable to meet the current needs, and it is urgent to study a new preparation method of the triangular yellow grass textile fiber

Method used

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  • Environmentally friendly preparation method of cyperus tegetiformis fiber

Examples

Experimental program
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Effect test

Embodiment 1

[0025] A kind of environment-friendly preparation method of yellow grass fiber, comprising the following steps:

[0026] A. Dry, cut, and remove impurities from the yellow grass fiber, and then roll it, so that the stem of the yellow grass is longitudinally cracked;

[0027] B. Add yellow grass fiber to 3% sodium chloride aqueous solution for 2.5h, take it out, add 0.3% glycerol and 0.8% sodium bicarbonate mixed aqueous solution, soak for 1.5h, and put it in a cold storage at -18℃ Frozen;

[0028] C. Transfer the yellow grass fiber to a vacuum box at 2°C, evacuate to -0.7MPa, and take it out after holding for 17min;

[0029] D. Add the yellow grass fiber to the acid solution with a boiling pH of 4.5, keep it for 3.5min, cool down to 45°C, add laccase, continue to process for 65min, boil for 8min to inactivate the enzyme;

[0030] E. Put the yellow grass fiber into clear water, add volcanic stone, under the condition of frequency of 12kHz and power of 25kW, carry out ultrason...

Embodiment 2

[0033] A kind of environment-friendly preparation method of yellow grass fiber, comprising the following steps:

[0034] A. Dry, cut, and remove impurities from the yellow grass fiber, and then roll it, so that the stem of the yellow grass is longitudinally cracked;

[0035] B. Add yellow grass fiber to 1% sodium chloride aqueous solution for 3 hours, take it out, add 0.2% glycerol and 2% sodium bicarbonate mixed aqueous solution, soak for 1 hour, and put it into a cold storage at -25 ℃ for quick freezing;

[0036] C, transfer the yellow grass fiber to the vacuum box of 0 ℃, evacuate to -0.8MPa, and take it out after keeping it for 15min;

[0037] D. Add the yellow grass fiber to the acid solution with a boiling pH of 5.0, keep it for 3min, cool down to 50°C, add laccase, continue to process for 60min, boil for 10min to inactivate the enzyme;

[0038] E. Put the yellow grass fiber into clear water, add volcanic stone, under the condition of frequency of 8kHz and power of 30kW...

Embodiment 3

[0041] A kind of environment-friendly preparation method of yellow grass fiber, comprising the following steps:

[0042] A. Dry, cut, and remove impurities from the yellow grass fiber, and then roll it, so that the stem of the yellow grass is longitudinally cracked;

[0043] B. Add yellow grass fiber to 5% sodium chloride aqueous solution for 2 hours, take it out, add 0.5% glycerol and 0.5% sodium bicarbonate mixed aqueous solution, soak for 2 hours, and put it into a freezer at -15°C for quick freezing;

[0044] C. Transfer the yellow grass fiber to a vacuum box at 4°C, evacuate to -0.5MPa, and take it out after holding for 20min;

[0045] D. Add the yellow grass fiber to the acid solution with a boiling pH of 4.0, keep after 5min, cool down to 40°C, add laccase, continue to process for 80min, boil for 5min to inactivate the enzyme;

[0046] E. Put the yellow grass fiber into clear water, add volcanic stone, under the condition of frequency of 15kHz and power of 20kW, carry ...

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Abstract

The invention discloses an environmentally friendly preparation method of cyperus tegetiformis fiber. First, fiber after pretreatment is put into sodium chloride solution; then a mixed water solution containing glycerinum and sodium hydrogen carbonate is added; then the mixture is placed in a refrigeration house for quick-freezing and vacuumized; then the mixture is processed in boiling acid liquor and enzyme treatment is carried out; finally, pelelith is added and ultrasonic treatment is carried out. The method combines physical treatment, biological treatment and chemical treatment; no strong base or softeners which have bad influence on the environment are added so that the influence on the environemtn is small; the requirements of low pollution and low emission for textile industry are met; glycerinum is added during the treatment phrase of the cyperus tegetiformis fiber to protect the alcohols, acids and esters and reduce the influence of later freezing treatment, acid treatment and high-temperature treatment; therefore, the finally prepared fiber has certain antibacterial effect.

Description

technical field [0001] The invention belongs to the technical field of textile fibers, and in particular relates to an environment-friendly preparation method of yellow grass fiber. Background technique [0002] Triangular yellow grass, also known as short-leaf sage, a variety of sedge, perennial herb, used as a fiber crop for weaving. Fibrous root system, with above-ground stems and underground stems. The underground stems prostrate horizontally in the topsoil layer, with pseudonodes, and the nodes are covered by scales; the aboveground stems are erect, and the middle and upper parts of the stems form triangular shapes. The leaves are attached to the base of the aerial stem, and the leaf sheath is longer, wrapping the base of the aerial stem, brown. Flowers on top of upper stem, recurring cymes and spikelets, loose, self-pollinating. The fruit is a small nut, dark brown when ripe. [0003] Creeping rhizomes long, woody. Culm height 80-100 cm, sharp triangular, smooth, ...

Claims

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Application Information

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IPC IPC(8): D01B1/10D01B1/50D01C1/00
CPCD01B1/10D01B1/50D01C1/00
Inventor 不公告发明人
Owner 南通江淮衬布有限公司
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