dyes - chemical compounds that have the ability to intensively absorb and convert the energy of electromagnetic radiation in the visible and near ultraviolet and infrared spectra and used to bring this ability to other bodies. The word «dye» its origin is obliged to AE Poraj-Kosice.

A distinctive feature of the dye - the ability to soak colored material (such as textiles, paper, fur, hair, skin, wood, food & mdash , food dyes) and to give color throughout its length.

Terms «dye» and «color», although they are often used as equivalent, indicate distinct roles in the coloring materials. The dye - it is a substance which - at least at some stage of processing - has an internal affinity colored material (the attraction to it). Soluble dyes in the dyeing environment at some stage of the process of dyeing. They penetrate into the material and form a more or less solid connection with the fibers. All textile dyes - organic matter.

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