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First, polyester: crisp and wrinkle
1. Features:
High strength, good impact resistance, heat resistance, corrosion resistance, stagnation resistance, acid resistance and alkali resistance, good light resistance (after acrylic fiber), exposure for 1000 hours, strong 60-70%, poor hygroscopicity, dyeing Difficult, the fabric is easy to wash and dry, and the shape retention is good. It has the characteristics of “washable and wearableâ€.
2, use:
Filament use: often used as low-elastic yarn to make all kinds of textiles;
Short fiber use: cotton, wool, hemp, etc. can be blended, industrial: tire cord, fishing net, rope, filter cloth, edge material. It is currently the largest amount of chemical fiber.
3. Dyeing:
It is generally dyed with disperse dyes and dyed at high temperature and high pressure.
Second, nylon: strong wear
1. Features:
The biggest advantage of nylon is that it is strong and wearable, which is the best one. Low density, light fabric, good elasticity, fatigue resistance, good 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.
2, use:
Filament, mostly used in the knitting and silk industry; staple fiber, mostly blended with wool or wool-type chemical fiber, for gabardine, vannamele and so on. Industry: Cords and fishing nets can also be used as carpets, ropes, conveyor belts, screens, etc.
3. Dyeing:
Generally, acid dyes are used, which can be dyed at normal temperature and pressure.
Third, acrylic fiber: bulky and fast
1 Introduction:
Acrylic fiber is very similar to wool, so it is called "synthetic wool."
Molecular structure: Acrylic fiber is unique in its internal macrostructure, has an irregular spiral conformation, and has no strict crystallization zone, but has a high order and a low order. Because of this structure, the acrylic fiber has good thermoelasticity (processable bulky yarn), the acrylic fiber has a small density, is smaller than wool, and the fabric has good warmth retention.
2. Features:
Good sunlight resistance and weather resistance (first place), poor moisture absorption and difficult dyeing.
Pure acrylonitrile fiber, due to its tight internal structure and poor handling properties, improves its performance by adding a second or third monomer, the second monomer improves elasticity and hand, and the third monomer improves dyeability.
3. Uses:
Mainly for civilian use, can be purely or blended, made into a variety of wool, wool, blankets, sportswear; also: artificial fur, plush, bulky yarn, hose, parasol and so on.
4, dyeing:
Generally, cationic dyes are used, which can be dyed under normal temperature and pressure.
Fourth, vinylon: water soluble moisture
1. Features:
The main feature of vinylon is its high hygroscopicity and the best among synthetic fibers, which is known as “synthetic cottonâ€. The strength is better than that of brocade and polyester. It has good chemical stability, is not resistant to strong acid and alkali. It is also good in weather resistance and weather resistance, but it is resistant to dry heat and not resistant to damp heat (shrinkage). The fabric is easy to wrinkle, dyeing is poor, and the color is not bright.
2, use:
Blended with cotton: fine cloth, poplin, corduroy, underwear, canvas, tarpaulin, packaging materials, labor clothes, etc.
3. Dyeing:
Direct dyes, reactive dyes, disperse dyes, etc. can dye vinylon, but the dyeing depth is poor.
Five, polypropylene: light and warm
1. Features:
Polypropylene fiber is the lightest fiber among common chemical fibers. It is almost non-hygroscopic, but has good wicking ability, high strength, stable fabric size, good abrasion resistance and good chemical stability. However, it has poor thermal stability, is not resistant to the sun, and is prone to aging and brittleness.
2, use:
Can be woven socks, mosquito net cloth, smudges, warm fillers, wet diapers, etc. Industrial: carpets, fishing nets, canvas, hoses, medical belts instead of cotton gauze, sanitary products.
3. Dyeing:
Polypropylene is more difficult to color and is dyed with a disperse dye after modification.
Sixth, spandex: elastic fiber
1. Features:
Spandex has the best elasticity, the worst strength, poor moisture absorption, and good light resistance, acid resistance, alkali resistance and wear resistance. Spandex is a highly elastic fiber necessary for high performance clothing that is dynamic and convenient. Spandex is 5-7 times longer than the original, so it is comfortable to wear, soft to the touch, and wrinkle-free, to maintain the original contour.
2, use:
Spandex is widely used in underwear, women's underwear, casual wear, sportswear, socks, pantyhose, bandages, etc. in the textile field, medical field, etc.
3. Dyeing:
Spandex is also difficult to color and can now be dyed with disperse dyes and acid dyes through auxiliaries.
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