Ecological dyeing method for dyeing cotton fabric with mulberry red natural dye

A natural dye, ecological dyeing technology, applied in the direction of dyeing method, plant fiber, textile and paper making, etc., to achieve the effect of saving resources, good compatibility and high dyeing rate

Inactive Publication Date: 2010-10-06
CHANGZHOU GOLDEN SPRING TEXTILE +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

There is no report on applying mulberry red pigment to the textile industry and using it as a natural dye in the dyeing of pure cotton fabrics

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

[0013] Prepare 6 grams per liter of chitosan pretreatment agent aqueous solution, after the cotton fabric is fully wetted in the pretreatment agent aqueous solution, on the pressure dyeing machine, two-in-two rolling, the excess rate of rolling is 70%, and then on the sizing dryer with Bake at 75°C for 8 minutes.

[0014] The dyeing of mulberry red natural dyestuff to the treated cotton fabric, its dyeing process is dye concentration 1%, bath ratio 1: 10, at 80 ℃, dip dyeing 80 minutes, add 3 grams / liter of magnesium sulfate after cooling, solidify at 80 ℃ After 35 minutes of coloring, take out the water, wash and dry.

[0015] The above-mentioned dyed cotton fabric is soaped to fix the color. The soaping process is to prepare an acidic soaping solution of 3 grams per liter, and after soaping at 50 ° C for 70 minutes, take it out and wash it, and dry it to obtain a grayish green cotton fabric. . The color of the cloth surface is uniform, and the washing fastness test can rea...

Embodiment 2

[0017] Prepare 8 grams per liter of chitosan pretreatment agent aqueous solution, after the cotton fabric is fully wetted in the pretreatment agent aqueous solution, on the pressure dyeing machine, two-in-two rolling, the excess rate is 80%, then on the sizing dryer with Bake at 85°C for 6 minutes.

[0018] The dyeing of mulberry red natural dyestuff to the treated cotton fabric, its dyeing process is 3% of dyestuff concentration, bath ratio 1: 20, at 95 DEG C, dip dyeing for 40 minutes, add 5 grams per liter of potassium chloride after cooling, at 90 DEG C After fixing the color for 20 minutes, take it out, wash it, and dry it.

[0019] The above-mentioned dyed cotton fabric is soaped to fix the color. The soaping process is to prepare an alkaline soaping solution of 4 grams per liter, and after soaping at 55 ° C for 50 minutes, take out the water and wash it, and dry it to obtain a gray cotton fabric. green. The color of the cloth surface is uniform, and the washing fastne...

Embodiment 3

[0021] Prepare 15 grams per liter of chitosan pretreatment agent aqueous solution, after the cotton fabric is fully wetted in the pretreatment agent aqueous solution, on the pressure dyeing machine, two-in-two rolling, the excess rate is 90%, then on the sizing dryer with Bake at 100°C for 5 minutes.

[0022] The dyeing of mulberry red natural dyestuff to the treated cotton fabric, its dyeing process is dye concentration 5%, bath ratio 1: 30, at 100 ℃, dip dyeing for 25 minutes, add 7 g / liter of calcium chloride after cooling, at 100 ℃ After fixing the color for 15 minutes, take it out, wash it, and dry it.

[0023] The above-mentioned dyed cotton fabric is soaped to fix the color. The soaping process is to prepare an acidic soaping solution of 7 grams per liter, and after soaping at 70 ° C for 45 minutes, take out the water and wash it, and dry it to obtain a grayish green cotton fabric. . The color of the cloth surface is uniform, and the washing fastness test can reach gr...

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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PUM

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Abstract

The invention relates to an ecological dyeing method for dyeing a cotton fabric with mulberry red natural dye, comprising the following steps: preprocessing the cotton fabric and then dyeing the preprocessed cotton fabric with the mulberry red natural dye; adding metal salt for fixation; and soaping the fabric after fixation and then fixing colors to obtain the dyed fabric with even color, wherein washing fastness can reach 3-4degrees. The ecological dyeing method has simple dyeing process, high dye-uptake, good pigment stability and wide market prospect.

Description

technical field [0001] The invention relates to the application of natural dyes, in particular to an ecological dyeing method for dyeing cotton fabrics with mulberry red natural dyes. Background technique [0002] In human history, natural dyes have made indelible contributions to the beautification of people's lives. Since the end of the 19th century, due to the rapid development of synthetic dyes, natural dyes have basically withdrawn from the field of fabric dyeing. With the increasing awareness of human environmental protection and the increasing concern for their own health, the harm of some synthetic dyes to human health and the ecological environment has become more and more noticeable. Under the wave of the global green revolution, natural dyes have begun to be valued by people again. Animal and vegetable dyes in natural dyes are extracted from organisms, have good compatibility with the environment, and are biodegradable. Most of the natural dyes are traditional ...

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 Applications(China)
IPC IPC(8): D06P1/34D06P3/60D06P1/673D06P5/08D06M15/03D06M101/06
Inventor 徐成耀纪俊玲李海乐汪媛姚致远杨扬
Owner CHANGZHOU GOLDEN SPRING TEXTILE
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