Which is better, polyester fiber or microfiber? The difference between microfiber and polyester fiber
Which is better, polyester or microfiber? The difference between microfiber and polyester fiber;
Polyester fiber is a synthetic fiber obtained by spinning polyester formed by the polycondensation of organic dibasic acid and glycol. Industrially mass-produced polyester fiber is made from polyethylene terephthalate, known as polyester in China. It is the largest variety of synthetic fibers currently.
The specific gravity of polyester is 1.38; the melting point is 255~260℃, it starts to bond at 205℃, and the safe ironing temperature is 135℃; the moisture absorption is very low, only 0.4%; the breaking strength of the filament is 4.5~ 5.5 g/den, short fiber is 3.5-5.5 g/den; filament elongation at break is 15-25%, short fiber is 25-40%; high-strength fiber strength can reach 7-8 g/den, elongation The length is 7.5~12.5%. Polyester has excellent wrinkle resistance, elasticity and dimensional stability, good electrical insulation properties, resistance to sunlight, friction, mildew and moth, good resistance to chemical reagents, and resistance to weak acids and weak alkali. At room temperature, it has a certain resistance to dilute and strong acids, but has poor resistance to strong alkalis. The dyeing performance of polyester is poor, and it generally needs to be dyed with disperse dyes at high temperatures or in the presence of carriers
Polyester has many excellent textile properties and wear properties, and is widely used. It can be made purely as a textile or mixed with cotton. , wool, silk, hemp and other natural fibers are blended and interwoven with other chemical fibers to produce imitation wool, imitation cotton, imitation silk, imitation wool, imitation cotton, imitation silk, imitation wool, imitation cotton, imitation silk, imitation wool, imitation cotton, imitation silk, etc., with various colors, strong and durable, easy to wash and dry, easy to iron and washable and wearable. linen fabric. Polyester fabrics are suitable for men’s and women’s shirts, outerwear, children’s clothing, upholstery fabrics and carpets. Because polyester has good elasticity and fluffiness, it can also be used as wadding. In industry, high-strength polyester can be used as tire cords, conveyor belts, fire hoses, cables, fishing nets, etc. It can also be used as electrical insulation materials, acid-resistant filter cloths, and papermaking blankets. Non-woven fabrics made of polyester can be used for interior decorations, carpet backings, medical and industrial fabrics, wadding, linings, etc.
Superfine fiber
The definition of superfine fiber is different. It is also called microfiber, fine denier fiber, ultrafine fiber, and the English name is microfiber. Generally, fibers with a fineness of 0.3 denier (5 microns in diameter) or less are called ultrafine fibers. Ultra-fine wire of 0.00009 denier has been produced abroad. If such a wire was pulled from the earth to the moon, its weight would not exceed 5 grams. my country has been able to produce 0.13-0.3 denier microfiber. The main ingredients of microfiber are polyester and nylon polyemide (generally 80% polyester and 20% nylon in China, and 100% polyester (poor water absorption effect and poor hand feel).
Superfine fiber is due to the The fineness greatly reduces the stiffness of the silk, making the fabric feel extremely soft. Fine fibers can also increase the layered structure of the silk, increase the specific surface area and capillary effect, and make the reflected light inside the fiber more delicately distributed on the surface, giving it a unique It has an elegant luster like silk and good moisture absorption and dissipation. Clothing made of microfiber is comfortable, beautiful, warm, breathable, has good drape and fullness, and is also significantly improved in hydrophobicity and antifouling properties. By taking advantage of the large specific surface area and softness, different tissue structures can be designed to absorb more sunlight heat or dissipate body temperature faster to keep warm in winter and cool in summer.
Microfibers are widely used: After the fabrics made of it are sand washed, sanded and other advanced finishing, the surface will form a layer of peach-skin-like fuzz, and will be extremely puffy, soft and smooth. High-end fashions, jackets, and T-shirts made of this fabric Shirts, underwear, culottes, etc. are cool and comfortable, absorb sweat without being close to the body, and are full of youthful beauty; foreign countries use microfiber to make high-grade artificial suede, which not only has the appearance, feel, and style of genuine leather, but also has a low price; due to the microfiber It is thin and soft. Use it to make a clean cloth with excellent decontamination effect. It can wipe all kinds of glasses, film and television equipment, and precision instruments without causing any damage to the mirror surface. Ultra-fine fibers can also be used to make ultra-high-density fabrics with extremely smooth surfaces. Used to make sportswear for skiing, skating, swimming, etc., it can reduce resistance and help athletes create good results. In addition, microfiber can also be used in various fields such as filtration, medical and health, and labor protection.
Keywords:
polyester fiber microfiber
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