Four elements of dyes

Dyes refer to colored organic compounds that can obtain color from fiber materials, but not all colored organic compounds can be used as dyes. As a dye, it generally has four elements.

Chroma

The dye must be able to produce a certain concentration of color (with a certain dyeing improvement rate)

Ability to Color

Dyes have a certain binding force with textile materials, that is, affinity or directness.

Commonly known as dye strength, it is a comprehensive indicator of the coloring ability of commercial dyes.

Solubility

Dyes can be dissolved directly in water or chemically dissolved in water.

Dyes are able to penetrate into fibers or matrices at a molecular level and interact with them to form chemical bonds.

Color Fastness

The colors dyed by dyes on textile materials need to be durable and not easy to fade or change color.

During their use, textiles are subject to various external effects such as light, washing, ironing, sweat stains, friction, and chemicals. Some printed and dyed textiles also undergo special finishing processes, such as resin finishing, flame retardant finishing, sand washing, and grinding. Wool, etc., which requires the color and luster of printed and dyed textiles to maintain a certain degree of fastness.

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