What is the difference between polyester fiber and polyester?

What is the difference between polyester fiber and polyester? Polyester fiber is polyester, but it is called different. Imitation silk has strong feeling and bright luster, but it is not soft enough, it has a glittering effect, and the hand feels smooth, flat and elastic. After tightening the silk surface, loosen the surface without visible creases. After the water and the weft are wet, it is not easy to break. Features: high strength, good impact resistance, heat resistance, corrosion resistance, stagnation resistance, acid and alkali resistance, good light resistance (after acrylic fiber), exposure for 1000 hours, strong 60-70%, poor hygroscopicity Dyeing is difficult, the fabric is easy to wash and dry, and the shape retention is good.

Nylon is commonly known as nylon fiber. It is made by drawing nylon material into very fine fibers and then weaving it. The specific scientific name of nylon is called polyamide. The gloss is dim, the surface is like a layer of wax, and the color is not bright. The hand feels stiff, the hand is pinched tightly and the fabric is loosened, and there are creases, which can slowly restore the original shape. The warp and weft fastness are large. The biggest advantage is that it is strong and wearable, which is the best one. Low density, light fabric, good elasticity, fatigue resistance, chemical stability, alkali resistance and acid resistance! The biggest disadvantage is that the sunlight resistance is not good, the fabric will turn yellow after a long time of drying, the strength will decrease, and the moisture absorption is not good, but it is better than acrylic fiber and polyester. Acrylic fiber is the trade name of polyacrylonitrile fiber in China, and foreign countries are called "Aolun" and "Cosmell". Generally, it refers to a synthetic fiber obtained by wet spinning or dry spinning using a copolymer of 85% or more of acrylonitrile and a second and a third monomer. The fiber obtained by copolymer spinning of acrylonitrile content between 35% and 85% is called modacrylic fiber nylon, and the scientific name is polyamide fiber. It is a general term for polyamide fiber produced in China. Internationally known as nylon. High strength, wear resistance, good resilience, can be purely spun and blended for a variety of clothing and knitwear.

The main varieties are nylon 6 and nylon 66, and their physical properties are similar. Polyester is an important variety in synthetic fiber and is the trade name of polyester fiber in China. It is a fiber-forming polymer prepared by esterification or transesterification and polycondensation of purified terephthalic acid (PTA) or dimethyl terephthalate (DMT) and ethylene glycol (EG). - Polyethylene terephthalate (PET), fibers made by spinning and post-treatment.

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