Vegetable yellow dye for cotton cloth

Abstract

The invention relates to vegetable yellow dye for cotton cloth. The vegetable yellow dye is prepared from the following ingredients: 12 parts of rhizoma rehmanniae, 3 parts of locust tree flower, 8 parts of amur cork tree, 5 parts of radix curcumae longae, 10 parts of cudrania yellow, 6 parts of astragalus membranaceus, 4 parts of purple perilla, 3 parts of rhizoma alismatis, 5 parts of sago cycas leaves, 2 parts of semen lepidii, 15 parts of ethyl alcohol, 1 part of acetone, 80 parts of water and 1.2 parts of cetyl pyridinium bromide. The vegetable yellow dye is based on vegetable dyes, pigments in plants are centrifugally extracted, then are dissolved with a solvent, and is mixed with a color fixing agent, so that the loss of color after dying can be effectively prevented, the dying stability of the cotton cloth after dyed is improved, and the cotton cloth cannot fade in the using process. The dye cannot cause pollute in the preparing and using process.

Description

technical field [0001] The invention belongs to the field of pigments, in particular to a vegetable yellow dye for cotton cloth. Background technique [0002] Cotton is a cloth woven from cotton yarn. It is the general term for all kinds of cotton textiles. It is mostly used to make fashion, casual wear, underwear and shirts. Its advantages are easy to keep warm, soft and next to the skin, hygroscopicity, and good air permeability. Its disadvantage is that it is easy to shrink and wrinkle, and the appearance is not very crisp and beautiful. It must be ironed frequently when wearing it, and the color is single, and it is easy to fade after dyeing. Moreover, the commonly used chemical dye waste liquid is easy to produce pollution and is not easy to handle. , The use of synthetic chemical dyes during use will also decompose and produce toxicity during use, causing harm to people. Contents of the invention [0003] The object of the present invention is to provide a plant-...

AI Technical Summary

Problems solved by technology

Its disadvantage is that it is easy to shrink and wrinkle, and the appearance is not very crisp and beautiful. It must be ironed frequently when wearing it, and the color is single, and it is easy to fade after dyeing. Moreover, the commonly used chemical dye waste liquid is easy to produce pollution and is not easy to handle. , the use of synthetic chemical dyes during use will also decompose and produce toxicity during use, causing harm to people