Acid dyes are anionic, soluble in water and are essentially applied from acidic bath. These dyes possess acidic groups, such as SO3H and COOH and are applied on wool, silk and nylon when ionic bond is established between protonated –NH2 group of fibre and acid group of dye. Overall wash fastness is poor although light fastness is quite good. As dye and fibre contain opposite electrical nature, strike rate and uptake of acid dye on these fibres is faster; electrolyte at higher concentration is added to retard dye uptake and to form levelled shades. Acid generates cation on fibre and temperature helps to substitute negative part of acid with anionic dye molecules.
An acid dye is a dye that is typically applied to a textile at low pH. They are mainly used to dye wool, not cotton fabrics. Some acid dyes are used as food colorants, and some can also be used to stain organelles in the medical field.
Acid dyes are used to color silk, wool, feathers, other protein fibers and nylons, and nothing does it better! Extremely brilliant and colorfast, Jacquard Acid Dyes are highly concentrated, powdered hot water dyes that produce level, uniform color during immersion dyeing. They exhaust well and won’t bleed or fade with washing. Of all the colorants in the world, acid dyes are known to produce the most luscious colors of all, and Jacquard’s palette is unsurpassed for quality, intensity and consistency.
In addition to yarn, fiber and fabric dyeing, Jacquard Acid Dyes may also be used for direct painting or printing applications, using steam setting.
Don’t be alarmed by the name—the only acid involved is the white vinegar or citric acid that you add to the dye bath.
FABRIC/FIBER/SURFACES
Nylons and protein fibers: silk, wool, cashmere, alpaca, feathers, etc.
Company Profile
TIANKI (CHINA) ENTERPRISE CO.,LTD. is a professional manufacturer and exporter that is concerned with development and production of pigment, glitter, dye, resin, master batch and chemical additive. We are located in Zhejiang(China), with convenient transportation access. All of our products comply with international quality standards and are greatly appreciated in a variety of different markets throughout the world.
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