Plant coloring agent and preparation method thereof
A plant dye and mordant technology, applied in dyeing, textile and papermaking, etc., can solve the problems of unsatisfactory anti-smudge effect, poor printing performance, low color rate, etc., and achieve good color rate and penetration. The effect of stability, pattern outline and clear edge, good solubility
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Embodiment 1
[0024] Embodiment 1, a kind of preparation method of plant dyeing agent
[0025] Preparation of compound mordant: compound vitriol and tannic acid in weight ratio to obtain mixture I, then mix it with water in a weight ratio of 3:250, stir well and mix evenly to obtain the product.
[0026] Preparation of plant dyeing agent: Weigh the compound thickener, soybean powder, and compound mordant respectively, mix them well, stir them well, make them fully mixed, and let them stand still to get ready.
Embodiment 2
[0027] Embodiment 2. A plant dyeing agent, made of the following raw materials in parts by weight: 1 part of compound thickener, 12 parts of compound mordant, and 0.5 part of soybean powder.
[0028] Preferably, a plant dyeing agent is made of the following raw materials in parts by weight: 2 parts of compound thickener, 14.5 parts of compound mordant, and 1 part of soybean powder.
[0029] Among them, the compound thickener is composed of kale gum and guar gum, and the compound mordant is made of vitriol, tannic acid and water. The weight ratio of squash gum to guar gum is 9:1, and the weight ratio of vitriol to tannic acid is 9:1.
[0030] The preparation method is similar to Example 1.
Embodiment 3
[0031] Embodiment 3, a plant dyeing agent, made of the following raw materials in parts by weight: 3 parts of compound thickener, 18 parts of compound mordant, and 2 parts of soybean powder.
[0032] Preferably, a plant dyeing agent is made of the following raw materials in parts by weight: 2 parts of compound thickener, 14.5 parts of compound mordant, and 1 part of soybean powder.
[0033] Among them, the compound thickener is composed of squash gum and carrageenan, and the compound mordant is made of green vitriol, tannic acid and water. The weight ratio of squash gum and carrageenan is 7:3, and the weight ratio of vitriol and tannic acid is 9:1.
[0034] The preparation method is similar to Example 1.
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