Wastewater-discharge-free continuous dyeing technology of microfiber material

A technology without waste water and microfiber, applied in the field of continuous dyeing process, can solve the problems of difficult implementation and large drainage in synthetic leather factories, and achieve the effects of increasing social and environmental costs, improving production efficiency, and high-efficiency dyeing effect

Active Publication Date: 2017-06-30
上海兴康超纤新材料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The traditional pad washing process is a continuous washing and continuous discharge method, with a larger displacement. It is actually a continuation of dip dyeing, and it is also a rote copy of the traditional cotton pad dyeing process. It is difficult to implement in synthetic leather factories that require no sewage discharge.

Method used

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  • Wastewater-discharge-free continuous dyeing technology of microfiber material
  • Wastewater-discharge-free continuous dyeing technology of microfiber material

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0031] Such as figure 1 As shown, the superfiber material to be treated is dyed light-colored, and the pad dyeing process adopted includes:

[0032] S1. padding, using acid dye paste to dye the superfiber material through two dipping and two padding processes (of course, one dipping and one padding or other alternate padding multiple padding processes can be used according to the specific requirements of padding) ; And add acid release agent;

[0033] S2. Microwave reaction, using a microwave radiation device to boil and vaporize the acid dye color paste on the superfiber dye until the liquid-carrying rate is 10-15%;

[0034] Of course, due to differences in regional environmental temperature and humidity, and the needs of individual special processes, the liquid retention rate can also be controlled at 8-30%, and even further adjustments can be made, as long as effective dyeing is maintained and a certain liquid retention rate is maintained.

[0035] S301. Pass the superfib...

Embodiment 2

[0039] Such as figure 2 As shown, the superfiber material to be treated is dyed dark, and the pad dyeing process is adopted, and the steps include:

[0040] S1. padding, using acid dye paste to dye the superfiber material through two dipping and two padding processes (of course, one dipping and one padding or other alternate padding multiple padding processes can be used according to the specific requirements of padding) ; And add acid release agent;

[0041] S2. Microwave reaction, using a microwave radiation device to boil and vaporize the acid dye color paste on the superfiber dye until the liquid-carrying rate is 10-15%;

[0042] Of course, due to differences in regional environmental temperature and humidity, and the needs of individual special processes, the liquid retention rate can also be controlled at 8-30%, and even further adjustments can be made, as long as effective dyeing is maintained and a certain liquid retention rate is maintained.

[0043] S21. Cleaning, p...

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Abstract

The invention discloses a wastewater-discharge-free continuous dyeing technology of a microfiber material, comprising the following steps: padding, dyeing the microfiber material with an acid dye paste through an alternative padding technology; adding an acid-releasing agent; carrying out a microwave reaction, using a microwave radiation device to boil and vaporize the acid dye paste on the microfiber material; and sizing and drying. The padding technology of the microfiber material is more efficient and more environment-friendly. There is no wastewater discharge during the whole process, thus according with the idea of environmental protection and sustainable development of industrial development nowadays. By the microwave reaction continuous-dyeing technology, the high-speed and high-efficiency dyeing efficiency is very remarkable. The cloth moving speed of the dyeing process can reach 10 meters/min. Production efficiency of the microfiber printing and dyeing industry is greatly raised. The invention provides a powerful technical support for the current rapidly-developed microfiber industry.

Description

technical field [0001] The invention relates to a continuous dyeing process of a polyurethane synthetic leather material, in particular to a continuous dyeing process of a new superfine nylon material. Background technique [0002] Microfiber material is the abbreviation of ultrafine fiber PU synthetic leather. It is a non-woven fabric made of ultrafine (fineness 0.03um) fiber short fibers through carding and needle punching into a three-dimensional structure network. It has excellent refilling performance and has a microporous structure. After post-wet processing. It has extremely excellent wear resistance, excellent cold resistance, breathability and aging resistance. [0003] However, from the perspective of dyeing, ultrafine nylon fibers in superfiber materials are 100 times thinner than normal fibers, and their specific surface area is 100 times larger than normal fibers. times the amount of dye, and many dyes can not be dyed, resulting in a large amount of dyed resid...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): D06P3/24D06P1/00D06P1/39D06P5/02D06P5/20
CPCD06P1/0016D06P1/39D06P3/241D06P5/02D06P5/2016
Inventor 朱建强陈宏明
Owner 上海兴康超纤新材料有限公司
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