reactive dye

reactive dye

      any of a class of highly coloured organic substances, primarily used for tinting textiles, that attach themselves to their substrates by a chemical reaction that forms a covalent bond between the molecule of dye and that of the fibre. The dyestuff thus becomes a part of the fibre and is much less likely to be removed by washing than are dyestuffs that adhere by adsorption.

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Universalium. 2010.

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  • Reactive dye — In a reactive dye a chromophore contains a substituent that is activated and allowed to directly react to the surface of the substrate. HistoryReactive dyes first appeared commercially in 1956, after their invention in 1954 by Rattee and Stephens …   Wikipedia

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  • reactive dye — /riˌæktɪv ˈdaɪ/ (say ree.aktiv duy) noun dye which adheres to fibre by means of chemical interaction …  

  • fiber-reactive dye — noun : a dye that combines chemically with fibers, especially cellulose see dye table I …   Useful english dictionary

  • dye — dyable, dyeable, adj. dyer, n. /duy/, n., v., dyed, dyeing. n. 1. a coloring material or matter. 2. a liquid containing coloring matter, for imparting a particular hue to cloth, paper, etc. 3. color or hue, esp. as produced by dyeing. 4. of the… …   Universalium

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  • Substantive dye — is a dye used in a process in which dye molecules are attracted by physical forces at the molecular level to the textile. The amount of this attraction is known as substantivity : the higher the substantivity the greater the attraction of the dye …   Wikipedia

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