Method for dyeing black cashmere fiber or fabric by using natural plant pigment

A technology of natural plant pigments and cashmere fibers, which is applied in the field of dyeing black cashmere fibers or fabrics with natural plant pigments, can solve the problems of dyeing cashmere fibers or fabrics into environmentally friendly black, and achieve the effect of high added value and less pollution.

Active Publication Date: 2021-08-13
WUHAN TEXTILE UNIV +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to provide a method for dyeing black cashmere fibers or fabrics using natural plant pigments to overcome the problem that the existing natural plant pigments in the prior art are difficult to dye cashmere fibers or fabrics into

Method used

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  • Method for dyeing black cashmere fiber or fabric by using natural plant pigment
  • Method for dyeing black cashmere fiber or fabric by using natural plant pigment

Examples

Experimental program
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Example Embodiment

[0101] Example 1

[0102](1) extracting walnut green skin pigment, gallnut pigment, diosgenous pigment and green tea tea pigment respectively;

[0103] (2) pre-dyeing cashmere fibers or fabrics with pre-dyeing pre-treatment solution, wherein the pre-treatment solution contains hydrogen peroxide solution, penetrant, acid protease and anionic surfactant;

[0104] (3) Add walnut green skin pigment, gallnut pigment, diospyross pigment, green tea tea pigment, penetrant and non-ionic surfactant to the cashmere fiber or fabric pretreated before dyeing according to the bath ratio of 1:20, and carry out dyeing;

[0105] (4) Washing, soaping, washing and drying the dyed cashmere fibers or fabrics;

[0106] Wherein, the extraction method of walnut green skin pigment comprises the following steps:

[0107] A1. Peel fresh walnuts to obtain fresh walnut green skins, and pulverize the fresh walnut green skins after drying at 98°C to obtain walnut green skin powders;

[0108] A2. Cook and...

Example Embodiment

[0134] Example 2

[0135] (1) extracting walnut green skin pigment, gallnut pigment, diosgenous pigment and green tea tea pigment respectively;

[0136] (2) pre-dyeing cashmere fibers or fabrics with pre-dyeing pre-treatment solution, wherein the pre-treatment solution contains hydrogen peroxide solution, penetrant, acid protease and anionic surfactant;

[0137] (3) According to the bath ratio of 1:15, add walnut green skin pigment, gallnut pigment, diosgenous pigment, green tea tea pigment, penetrant and non-ionic surfactant to the cashmere fiber or fabric pretreated before dyeing, and carry out dyeing;

[0138] (4) Washing, soaping, washing and drying the dyed cashmere fibers or fabrics;

[0139] Wherein, the extraction method of walnut green skin pigment comprises the following steps:

[0140] A1. Peel fresh walnuts to obtain fresh walnut green skins, and pulverize the fresh walnut green skins after drying at 103°C to obtain walnut green skin powders;

[0141] A2. Cook ...

Example Embodiment

[0167] Example 3

[0168] (1) extracting walnut green skin pigment, gallnut pigment, diosgenous pigment and green tea tea pigment respectively;

[0169] (2) pre-dyeing cashmere fibers or fabrics with pre-dyeing pre-treatment solution, wherein the pre-treatment solution contains hydrogen peroxide solution, penetrant, acid protease and anionic surfactant;

[0170] (3) Add walnut green skin pigment, gallnut pigment, diosgenous pigment, green tea tea pigment, penetrant and non-ionic surfactant to the cashmere fiber or fabric pretreated before dyeing according to the bath ratio of 1:10, and carry out dyeing;

[0171] (4) Washing, soaping, washing and drying the dyed cashmere fibers or fabrics;

[0172] Wherein, the extraction method of walnut green skin pigment comprises the following steps:

[0173] A1. Peel the fresh walnuts to obtain fresh walnut green skins, and pulverize the fresh walnut green skins after drying at 95°C to obtain walnut green skin powders;

[0174] A2. Coo...

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Abstract

The invention relates to the technical field of cashmere fiber or fabric dyeing, and discloses a method for dyeing black cashmere fiber or fabric by using natural plant pigment. The method comprises the following steps of (1) extracting walnut green seedcase pigment, gallnut pigment, dioscorea cirrhosa pigment and green tea leaf pigment; (2) carrying out pre-dyeing pretreatment on cashmere fiber or fabric by adopting pre-dyeing pretreatment liquid; (3) adding the walnut green seedcase pigment, the gallnut pigment, the dioscorea cirrhosa pigment, the green tea leaf pigment, a penetrant and a nonionic surfactant into the cashmere fiber or fabric subjected to pre-dyeing pretreatment according to a bath ratio of 1: (10-20), and performing dyeing; and (4) washing and drying the dyed cashmere fiber or fabric. According to the method, walnut green seedcase, gallnut, dioscorea cirrhosa and green tea leaves are used as raw materials to extract natural plant pigments, and the natural plant pigments are used for dyeing the cashmere fiber or fabric, so that an environment-friendly black cashmere fiber or fabric product can be obtained.

Description

technical field [0001] The invention relates to the technical field of cashmere fiber or fabric dyeing, in particular to a method for dyeing black cashmere fiber or fabric with natural plant pigments. Background technique [0002] Cashmere is a thin layer of fine wool that grows on the outer skin of goats and covers the roots of goats' coarse hair. Cashmere is a rare special animal fiber. The reason why cashmere is very precious is not only because of its small output, but more importantly, cashmere has excellent quality and characteristics. Cashmere is a thin and curved fiber with an air layer in the middle, so it is light and soft; cashmere is much thinner than wool, and the scales on the surface of cashmere fiber are small and smooth; cashmere has a high natural curl and is arranged in spinning and weaving. Tight, good cohesion, good toughness. Cashmere is slender, light, soft, smooth and warm. [0003] However, cashmere is more sensitive to acid, alkali and heat than ...

Claims

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Application Information

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IPC IPC(8): D06P1/34D06P1/46D06P1/673D06P3/14C09B61/00C09B67/54
CPCD06P1/34D06P1/46D06P1/673D06P3/14C09B61/00C09B67/0096
Inventor 姜会钰张智刚梅洪稳颜伟杰李瑞卿王雅琪姚金波闫晓敏
Owner WUHAN TEXTILE UNIV
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