Antioxidant, UV Stabilizer, Pigment, and Dyes For Synthetic Fiber
Polymer fiber is a subset of human-made fibers, which are based on synthetic chemicals (often from petrochemical sources) rather than arising from natural materials by a purely physical process.
Most common polymer fiber includes
- Polyamide (PA fiber);
- Polyacrylonitrile (PAN fiber);
- Polyethylene Terephthalate (PET fiber);
- Polypropylene (PP fiber);
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Pigment and Dyes For Fibre
Requirements of pigment in spun-dyeing
- Dispersion, pigment shall dispense in the binder and compatible with the polymers.
- Meet acid or alkali resistance requirement based on spinning conditions.
- Good storage stability, especially for the liquid form.
- Pigment shall have limited effect on fiber strength and extension length.
- Pigment shall provide fiber with shall have good fastness properties.
- Pigment shall not affect polymerization.
- Light resistance, abrasion resistance, chemical resistance properties.
Pigments used in spun-dyeing
The pigment of thalidomide, quinacridone, perylene, dioxazine carbazole, quinoline phthalocyanine, phthalocyanines is used for fiber spun-dyeing.
Requirements of dyes in spun-dyeing
- Only for PET fiber and PA fiber, mainly solvent dyes, very few dispersion dyes.
- Anthraquinone for green, blue, violet color dyes.
- Thalidomide structure for red and orange color dyes.
- Quinoline phthalocyanine structure for yellow color dyes.
- Phthalocyanines structure for blue color dyes.