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Plastic colorants are chemical compounds used to color plastic.Those compounds come in a form of dyes and pigments.The type of a colorant is chosen based on the type of a polymeric resin, that needs to be colored.
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. [2]
Polyamides occur both naturally and artificially. Examples of naturally occurring polyamides are proteins, such as wool and silk. Artificially made polyamides can be made through step-growth polymerization or solid-phase synthesis yielding materials such as nylons, aramids, and sodium polyaspartate. Synthetic polyamides are commonly used in ...
Disperse Red 11, or 1,4-diamino-2-methoxyanthraquinone, is a red disperse dye derived from anthraquinone. [1] [2] [3] It is water insoluble.[1]Disperse Red 11 can be used in plastics and textiles industry to dye polyvinylchloride, polyester, polyamide, and polyurethane materials, such as synthetic fibers and foams.
Dye molecules are fixed to the fiber by absorption, diffusion, or bonding with temperature and time being key controlling factors. The bond between the dye molecule and fiber may be strong or weak, depending on the dye used. Dyeing and printing are different applications; in printing, color is applied to a localized area with desired patterns.
Browse these chemical-free dyes and brands you can use at home, per experts. Looking to shop the best natural hair dyes for black hair, gray hair, and more? Browse these chemical-free dyes and ...
A given pigment or dye molecule absorbs different wavelengths of electromagnetic radiation according to its atomic structure and local chemical environment. The quantum behavior of a chemical typically results in distinct resonant frequencies of chemical bonds, which can be excited best by discrete wavelengths—meaning broad spectrum radiation ...
Dyes are color-bearing organic compounds that can be dissolved in water or another liquid so that they will penetrate fibers. [19] dyebath A dyebath is a solution of dye and water or other liquid in which textiles are dyed. [20] dyed in the wool Dyed in the wool or dyed in the fleece refers to fibers that are dyed prior to spinning.