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A kind of preparation method of waste textile fiber non-woven coating material

A technology of textile fibers and coating materials, applied in textiles and papermaking, fiber treatment, wear-resistant fibers, etc., to achieve the effects of changing surface structure, saving energy, and improving printing performance

Active Publication Date: 2022-05-17
ZHEJIANG SCI-TECH UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

But at present, there is no report on non-woven fabric materials designed by recycling waste textile fibers and processed by coating and inkjet printing with gorgeous patterns, leather appearance and soft hand feeling.

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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  • A kind of preparation method of waste textile fiber non-woven coating material
  • A kind of preparation method of waste textile fiber non-woven coating material

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] 1) Preparation of waste textile fiber nonwovens suitable for coating processing: sterilize the waste textiles through disinfection equipment, send the sterilized waste textiles into an opening machine for opening treatment to obtain waste textile fibers, and use needle punching The equipment produces waste textile fiber nonwovens through the steps of carding, fine combing, stacking, acupuncture, hot pressing, etc., and preheats and presses the obtained waste textile fiber nonwovens. The process is as follows: the temperature is 180 ° C, The pressure is 20Mpa, the time is 90s, and the waste textile fiber nonwoven fabric suitable for coating processing is obtained.

[0028] 2) Preparation of coating material: 35 parts of anhydrous calcium chloride and 100 parts of anhydrous methanol were fully stirred and mixed at a temperature of 65°C. After the reaction was completed, 40 parts of nylon waste silk was added for dissolution, and the waste After the silk is completely diss...

Embodiment 2

[0030] 1) Preparation of waste textile fiber nonwovens suitable for coating processing: sterilize the waste textiles through disinfection equipment, send the sterilized waste textiles into an opening machine for opening treatment to obtain waste textile fibers, and mix them with 4 % low-melting point polyester fiber, with the help of needle punching equipment, the waste textile fiber nonwoven fabric is prepared through the steps of carding, fine carding, web stacking, needle punching, hot pressing, etc., and the obtained waste textile fiber nonwoven fabric is preheated and pressed The treatment process is as follows: the temperature is 140° C., the pressure is 30 MPa, and the time is 240 s to obtain a waste textile fiber nonwoven fabric suitable for coating processing.

[0031] 2) Preparation of coating material: 15 parts of anhydrous calcium chloride and 60 parts of anhydrous methanol were fully stirred and mixed at a temperature of 65°C. After the reaction was completed, 10 p...

Embodiment 3

[0033] 1) Preparation of waste textile fiber nonwovens suitable for coating processing: sterilize the waste textiles through disinfection equipment, send the sterilized waste textiles into an opening machine for opening treatment to obtain waste textile fibers, and mix them with 3 % low-melting point polyester fiber, with the help of needle punching equipment, the waste textile fiber nonwoven fabric is prepared through the steps of carding, fine carding, web stacking, needle punching, hot pressing, etc., and the obtained waste textile fiber nonwoven fabric is preheated and pressed The treatment process is as follows: the temperature is 200° C., the pressure is 10 MPa, and the time is 60 s to obtain a waste textile fiber nonwoven fabric suitable for coating processing.

[0034] 2) Preparation of coating material: 25 parts of anhydrous calcium chloride and 100 parts of anhydrous methanol are fully stirred and mixed at a temperature of 65°C. After the reaction is completed, 20 par...

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 a preparation method of waste textile fiber nonwoven coating material, which comprises the following steps: (1) preparation of waste textile fiber nonwoven fabric suitable for coating processing; (2) preparation of coating material. Selecting a suitable needle punching process and post-treatment process can prepare waste textiles into nonwoven fabrics suitable for coating processing. On the basis of this, use nylon waste silk coating slurry to prepare waste textile fiber nonwoven fabrics by wet coating. Coated cloth. Not only can the recycling of waste textiles be realized, but also the added value of waste textiles can be increased through further coating and printing processing.

Description

technical field [0001] The invention belongs to the field of textile processing, and in particular relates to a non-woven coating material and a processing method designed by recycling waste textile fibers. Background technique [0002] The textile industry is closely related to people's lives. With the expansion of textile application fields and the rapid growth of the world's population, textile raw materials are becoming more and more scarce, and their prices have risen sharply. 1. Incineration will produce a large amount of harmful gases and refractory substances, which not only causes a waste of resources, but also pollutes the environment. In recent years, the recycling of textile waste in my country has developed rapidly. At present, there are mainly two ways of recycling waste textiles: chemical treatment and physical treatment. For example, patent 201710700676.5 prepares a waste fiber non-woven fabric by stitching the three-layer fiber web of the upper layer of ne...

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): D06M15/59D06M11/155
CPCD06M15/59D06M11/155D06M2200/11D06M2200/12D06M2200/35D06M2200/30
Inventor 陈维国郑今欢王成龙
Owner ZHEJIANG SCI-TECH UNIV
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