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Environment-friendly rayon dyeing process with fading-free effect

An environmentally-friendly, high-tech technology, applied in the field of rayon dyeing technology, can solve the problems of low dry strength, easy to fade, non-wearing, etc., and achieve the effect of efficient dyeing treatment

Pending Publication Date: 2021-07-09
SHAOXING YONGTONG PRINTING CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The dry strength of viscose fiber is lower than that of cotton, its wet strength is only about 66% of the dry strength, its elastic recovery ability is poor, it is not wear-resistant, not light-resistant, alkali-resistant but not acid-resistant; but viscose fiber has good hygroscopicity and is easy to dye. Fabric is comfortable to wear
[0003] The existing rayon dyeing uses the traditional dyeing method to dye the rayon material, which has the advantage of low manufacturing cost, but the rayon produced by the traditional dyeing method will easily fade during use. In the process of dyeing, high-cost dyeing agents need to be added, which greatly increases the production cost of rayon

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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  • Environment-friendly rayon dyeing process with fading-free effect

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Comparison scheme
Effect test

Embodiment 1

[0026] see figure 1 , the present invention provides a technical solution: an environmentally friendly rayon dyeing process with a non-fading effect, the dyeing process includes the following steps:

[0027] Step 1, pairing of the first dyeing agent, take a clean container, add care agent and dyeing stock solution into the container, then heat and stir the matching liquid in the container, the heating temperature is 55-70 degrees Celsius, and the stirring time For 6 to 8 minutes, the first dyeing agent was prepared.

[0028] Step 2. Cleaning treatment of artificial cotton. Put artificial cotton into clear water for soaking for 20-30 minutes. After soaking, add alkaline detergent to clear water, and clean artificial cotton. After cleaning, artificial cotton It needs to be rinsed with clean water, and then the rayon is spin-dried to dry.

[0029] Step 3, the dyeing and softening treatment of rayon, the first dyeing agent in step 1 is mixed with the rayon that has been dehydrat...

Embodiment 2

[0042] see figure 1 , the present invention provides a technical solution: an environmentally friendly rayon dyeing process with a non-fading effect, the dyeing process includes the following steps:

[0043] Step 1, pairing of the first dyeing agent, take a clean container, add care agent and dyeing stock solution into the container, then heat and stir the matching liquid in the container, the heating temperature is 60~65 degrees Celsius, and the stirring time For 6 to 8 minutes, the first dyeing agent was prepared.

[0044] Step 2. Cleaning treatment of artificial cotton. Put artificial cotton into clear water for soaking for 20-30 minutes. After soaking, add alkaline detergent to clear water, and clean artificial cotton. After cleaning, artificial cotton It needs to be rinsed with clean water, and then the rayon is spin-dried to dry.

[0045] Step 3, the dyeing and softening treatment of rayon, the first dyeing agent in step 1 is mixed with the rayon that has been dehydrated...

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 an environment-friendly rayon dyeing process with a fading-free effect, and relates to the technical field of cotton spinning. The environment-friendly rayon dyeing process comprises the following steps of pairing of a first dyeing agent, cleaning treatment of artificial cotton, dyeing and softening treatment of the artificial cotton, pairing of a second dyeing agent, curing and dyeing treatment of the artificial cotton and rolling and warehousing of an artificial cotton finished product. According to the environment-friendly rayon dyeing process with the fading-free effect, rayon can be effectively dyed with a traditional dyeing stock solution through special process treatment such as pressurization, heating and rapid cooling; and by adding a curing agent and a care agent, under the condition that the dyeing efficiency of the dyeing stock solution is guaranteed, it is ensured that the color fading phenomenon of the prepared rayon cloth is avoided, chemical raw materials with corrosivity and strong oxidizing property are not adopted on the premise of ensuring the dyeing effect, and common dyeing raw materials are efficiently dyed through a special treatment process.

Description

technical field [0001] The invention relates to the technical field of cotton spinning, in particular to an environment-friendly rayon dyeing process with a non-fading effect. Background technique [0002] Viscose staple fiber, also known as rayon, or rayon for short, has good hygroscopicity and soft hand feeling. Cotton linters, wood pulp and bagasse are the main raw materials for the production of viscose fibers, which are rich in resources and low in manufacturing cost. The dry strength of viscose fiber is lower than that of cotton, its wet strength is only about 66% of the dry strength, its elastic recovery ability is poor, it is not wear-resistant, not light-resistant, alkali-resistant but not acid-resistant; but viscose fiber has good hygroscopicity and is easy to dye. The fabric is comfortable to wear. [0003] The existing rayon dyeing uses the traditional dyeing method to dye the rayon material, which has the advantage of low manufacturing cost, but the rayon prod...

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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IPC IPC(8): D06P3/60D06P5/02D06P5/08D06P5/20D06P1/00
CPCD06P3/60D06P5/2055D06P5/02D06P5/08D06P5/2066D06P1/002
Inventor 章建木
Owner SHAOXING YONGTONG PRINTING CO LTD
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