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A kind of processing method of waste acrylic fabric

A treatment method and acrylic fiber technology, applied in the direction of enzyme/microbial biochemical treatment, fiber treatment, biochemical fiber treatment, etc., can solve the problems of limiting the use range of recycled polyester staple fibers, few effective recycling and regeneration methods, waste of resources, etc., and achieve improvement Whiteness and use value, expanding safety and health, accelerating the effect of solidification

Active Publication Date: 2018-11-13
JIESHOU TIANZHU TEXTILE MATERIAL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] As the population of our country continues to increase, the demand for clothing is increasing, resources are becoming more and more tense, and more and more waste and outdated clothes are produced, coupled with the leftover materials produced in the clothing production process, waste and old fabrics are also increasing. more, but the current recycling rate of waste fabrics in my country is only 20-40%, which causes a great waste of resources
[0003] At present, there are few effective recycling methods for waste fabrics. The patent document CN 105839199 A discloses a polyester waste fabric spinning chemical fiber process, which prepares polyester waste fabrics into regenerated polyester staple fibers, but first removes impurities from waste polyester fabrics, and then After melting and mixing, extrusion is performed to obtain regenerated polyester staple fibers. The regenerated polyester fibers obtained without decolorization treatment are colored, and the raw materials of waste polyester fabrics are different, and the regenerated polyester fibers produced are different, which is obviously limited. The scope of use of recycled polyester staple fiber

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

[0021] A kind of processing method of waste and old acrylic fiber cloth, comprises the following steps:

[0022] (1) Sorting and removing impurities: sort out waste acrylic fabrics from mixed fabrics, wash them, remove impurities, and facilitate subsequent processing, and obtain primary acrylic fibers;

[0023] (2) Decolorization and sterilization: Put the primary fabric in the decolorization tank, add the fermentation broth twice the weight of the primary fabric, insert the fermentation bacteria, ferment at 34°C for 2 days, take out the fabric, add the fermentation broth again, and insert Fermentation bacteria, fermented at 30°C for 2 days, high-temperature fermentation to promote bacterial growth, a variety of microorganisms metabolize, produce a large number of extracellular metabolites, reduce the binding ability of dyes and fabrics, promote decolorization, and then replace the fermentation broth for low-temperature fermentation , promote the production of extracellular me...

Embodiment 2

[0034] A kind of processing method of waste and old acrylic fiber cloth, comprises the following steps:

[0035] (1) Sorting and removing impurities: sort out waste acrylic fabrics from mixed fabrics, wash them, remove impurities, and facilitate subsequent processing, and obtain primary acrylic fibers;

[0036] (2) Decolorization and sterilization: Put the primary fabric in the decolorization tank, add the fermentation broth twice the weight of the primary fabric, insert the fermentation bacteria, ferment at 35°C for 3 days, take out the fabric, add the fermentation broth again, and insert Fermentation bacteria, fermented at 31°C for 2 days, high-temperature fermentation to promote bacterial growth, a variety of microorganisms metabolize, produce a large number of extracellular metabolites, reduce the binding ability of dyes and fabrics, promote decolorization, and then replace the fermentation broth for low-temperature fermentation , promote the production of extracellular me...

Embodiment 3

[0047] A kind of processing method of waste and old acrylic fiber cloth, comprises the following steps:

[0048](1) Sorting and removing impurities: sort out waste acrylic fabrics from mixed fabrics, wash them, remove impurities, and facilitate subsequent processing, and obtain primary acrylic fibers;

[0049] (2) Decolorization and sterilization: Put the primary fabric in the decolorization tank, add the fermentation broth three times the weight of the primary fabric, insert the fermentation bacteria, ferment at 36°C for 4 days, take out the fabric, add the fermentation broth again, and insert Fermentation bacteria, fermented at 32°C for 3 days, first high-temperature fermentation to promote bacterial growth, a variety of microorganisms metabolize, produce a large number of extracellular metabolites, reduce the binding ability of dyes and fabrics, promote decolorization, and then replace the fermentation broth for low-temperature fermentation , promote the production of extra...

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 mainly relates to the technical field of textiles, and discloses a processing method of waste acrylic cloth. The processing method comprises the following steps: sorting, removing impurities, decoloring, sterilizing, melting at a high temperature, reinforcing fibers, spinning and shaping. The method is simple, the obtained renewable acrylic fibers are high in strength, the decoloring rate is up to 85.7 percent, no toxic reagent is contained used in the preparation process, and health and environmental protection can be realized; the waste acrylic cloth is cleaned after being sorted, and impurities are removed, so that the subsequent treatment is facilitated; and the primarily selected cloth is arranged in a decoloring pool, a fermentation solution and zymophyte are added to firstly perform the fermentation at a high temperature and to promote the proliferation of the bacteria, various microorganisms perform the metabolism, a great amount of extracellular metabolites are generated, the combination capacity of the dye and cloth is reduced, the decoloration is facilitated, and then the fermentation solution is replaced to perform the low-temperature fermentation, so that the decoloration effect of the waste acrylic fibers is obviously improved, the application range of the renewable acrylic fibers is enlarged, and the safety and health of the renewable acrylic fibers can be improved.

Description

technical field [0001] The invention mainly relates to the technical field of textiles, in particular to a method for processing waste acrylic fabrics. Background technique [0002] As the population of our country continues to increase, the demand for clothing is increasing, resources are becoming more and more tense, and more and more waste and outdated clothes are produced, coupled with the leftover materials produced in the clothing production process, waste and old fabrics are also increasing. However, the recycling rate of waste fabrics in my country is only 20-40%, which causes a great waste of resources. [0003] At present, there are few effective recycling methods for waste fabrics. The patent document CN 105839199 A discloses a polyester waste fabric spinning chemical fiber process, which prepares polyester waste fabrics into regenerated polyester staple fibers, but first removes impurities from waste polyester fabrics, and then After melting and mixing, extrusion...

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): D01F6/54D01F1/10D06M16/00D06M101/28
CPCD01F1/10D01F6/54D06M16/003D06M2101/28
Inventor 乔业全
Owner JIESHOU TIANZHU TEXTILE MATERIAL
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