| abstract |
The invention provides safflower yellow, a preparation method and a dyeing method thereof. The preparation method of the safflower yellow comprises the following steps: soaking Carthami flos in water, squeezing the Carthami flos, and collecting yellow pigment liquid, wherein the temperature of the water is below 50 deg.C. The safflower yellow of the invention can be extracted from safflower, and the preparation process of the safflower yellow is green and pollution-free, is beneficial to environmental protection and health, and does not damage the safflower red. Furthermore, the safflower yellow of the invention is simple and convenient to operate, environment-friendly and harmless when being dyed; is especially suitable for dyeing wool fiber. |