Is polyester fiber a man-made fiber?

Polyester is a term we have heard of. Many people know that it is used to make fabrics, but some people still don't know that it is actually a man-made fiber. Now Xiaobian will tell you about polyester fiber. Kind!

Polyester is an important variety of man-made fiber, polyester or 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.

Polyester fiber is commonly used in China as a "cool" polyester. It is widely used in the manufacture of clothing fabrics and industrial products. Polyester has excellent shape properties. The flattened, fluffy form or pleats produced by the polyester yarn or fabric after being shaped, can be used for a long time after repeated washing in use.
Polyester is also known as Terry, and Americans call it "Dakken". When it appeared on the Hong Kong market, people translated it according to Cantonese as "definitely cool" or "definitely good" [cool, good Cantonese homonym], to the effect of "really cool", this household name.

It is the simplest one of the three synthetic fibers and the price is relatively cheap. In addition, it is durable, elastic, non-deformable, corrosion-resistant, insulated, crisp, easy to wash and dry, and so on. feature is:
1. high strength. The short fiber strength is 2.6 to 5.7 cN/dtex, and the high strength fiber is 5.6 to 8.0 cN/dtex. Due to its low hygroscopicity, its wet strength is essentially the same as the dry strength. The impact strength is 4 times higher than that of nylon and 20 times higher than viscose.
2. Good elasticity. The elasticity is close to that of wool, and when it is stretched by 5% to 6%, it can be almost completely recovered. The wrinkle resistance is superior to other fibers, that is, the fabric is not wrinkled, and the dimensional stability is good. The modulus of elasticity is 22 to 141 cN/dtex, which is 2 to 3 times higher than that of nylon. Polyester fabric has high strength and elastic recovery, so it is durable, wrinkle-free and non-iron.
3. The heat-resistant polyester is produced by a melt spinning method, and the formed fiber can be further heated and melted, and is a thermoplastic fiber. Polyester has a higher melting point and a smaller specific heat capacity and thermal conductivity, so the heat resistance and heat insulation of the polyester fiber are higher. It is the best among synthetic fibers.
4. The surface of the polyester is smooth and the internal molecules are closely packed. Polyester is the most heat-resistant fabric in synthetic fabrics. It is thermoplastic and can be made into pleated skirts with long pleats. At the same time, the polyester fabric has poor resistance to melting, and it is easy to form holes in the case of soot or Mars. Therefore, wear should avoid contact with cigarette butts, sparks, etc.
5. Good wear resistance. Wear resistance is second only to nylon with the best abrasion resistance, better than other natural and synthetic fibers.
6. Good light resistance. Lightfastness is second only to acrylic. Polyester fabrics have better lightfastness, and their lightfastness is better than natural fiber fabrics except for acrylic fibers. Especially in the back of the glass, the light fastness is very good, almost the same as acrylic fiber.
7. preservative. It is resistant to bleaches, oxidants, hydrocarbons, ketones, petroleum products and inorganic acids. Resistant to dilute alkali, not afraid of mildew, but hot alkali can decompose it. Also has strong acid and alkali resistance and UV resistance
8. Dyeing is poor, but the color fastness is good and it is not easy to fade. Because there is no specific dyeing group on the polyester molecular chain, and the polarity is small, the dyeing is difficult, the dyeability is poor, and the dye molecules are not easy to enter the fiber.
9. Poor hygroscopicity, wearing a stuffy heat, and easy to bring static electricity, staining dust, affecting the appearance and comfort. However, it is very easy to dry after washing, and the wet strength is hardly reduced, it is not deformed, and it has good washing and wearability.

China Polyester Information Network commented that polyester fiber is a kind of clothing material that used to be very prosperous. In the period of our fathers, it has had its glorious era. Now it has gradually withdrawn from the clothing industry and entered the home fabric category, but it is still quite worthwhile. trust.

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