What is the color fastness of PP FDY yarn? Let's take a look.

The varieties of polypropylene include filaments, including undeformed filaments and expanded filaments, short fibers, silk, membrane fibers, hollow fibers, shaped fibers, various composite fibers and non-woven fabrics. The main purposes are to make carpets (including carpet backing and suede), decorative fabrics, furniture fabrics, various ropes, strips, fishing nets, oil absorbing felts, building reinforcements, packaging materials and industrial fabrics, such as filter cloth, bag cloth. Wait.

In addition, it is also widely used in clothing. It can be blended with various fibers to make different types of blended fabrics. After knitting, it can be made into shirts, outerwear, sportswear, socks and so on. The floc made of polypropylene hollow fiber is light in weight, warm and has good elasticity. Polypropylene industrial filter cloth polypropylene does not contain chemical groups that can bind to dyes in the macromolecular structure, so dyeing is difficult. The polypropylene fiber of the scientific name is melted and flammable in the near flame. It burns slowly and emits black smoke from the fire. The upper end of the flame is yellow, the lower end is blue, and the oil smell is emitted. After burning, the ash is hard round, light yellow and brown particles, and the handcuffs are brittle. . The pigment preparation and the polypropylene polymer are uniformly mixed in a screw extruder by a melt coloring method, and melt-spun to obtain a colored fiber having high color fastness. Another method is copolymerization or graft copolymerization with acrylic acid, acrylonitrile, vinyl pyridine, etc., to introduce a polar group capable of binding with a dye on a polymer macromolecule, and directly dyeing by a conventional method. Various additives are often added during the production of polypropylene to improve dyeability, light resistance and flame resistance.

PP FDY yarn has stable color fastness and superior performance, and is applied in many fields.