A dye is a colored substance that chemically bonds to the material to which it is being applied. This distinguishes dyes from pigments which do not chemically bind to the material they color. Dye is generally applied in an aqueous solution and may require a mordant to improve the fastness of the dye on the fiber.

Dye, substance used to impart color to textiles, paper, leather, and other materials such that the coloring is not readily altered by washing, heat, light, or other factors to which the material is likely to be exposed. Learn more about the properties, uses, and development of dyes in this article.

The meaning of DYE is color from dyeing. How to use dye in a sentence.

DYE definition: 1. to change the colour of something using a special liquid: 2. a substance used to change the…. Learn more.

2023年8月7日 · A dye is a chromatic compound typically employed in a solvent to create a substance that has the ability to adhere to a textile.

Unlike most organic compounds, dyes possess colour because they 1) absorb light in the visible spectrum (400–700 nm), 2) have at least one chromophore (colour-bearing group), 3) have a conjugated system, i.e. a structure with alternating double and single bonds, and 4) exhibit resonance of electrons, which is a stabilizing force in organic compo...

Dye - Colorants, Pigments, Textiles: In dyeing operations, the dye must become closely and evenly associated with a specific material to give level (even) colouring with some measure of resistance to moisture, heat, and light—i.e., fastness.

2025年1月16日 · Scientists and public interest groups have raised concerns about the dye for decades. The F.D.A. even banned Red Dye No. 3 in cosmetics like lipsticks and drugs applied to the skin in 1990, after ...

DYE meaning: 1. to change the colour of something using a special liquid: 2. a substance used to change the…. Learn more.

Dye - Dyeing Techniques, Synthetic Dyes, Natural Dyes: Direct, or substantive, dyes are applied to the fabric from a hot aqueous solution of the dye. Under these conditions, the dye is more soluble and the wettability of natural fibres is increased, improving the …