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Price advantage of polyester staple fiber

As a clothing fiber, polyester fabric can achieve the effect of wrinkle free and iron-free after washing. Polyester is often blended or interwoven with various fibers, such as cotton and wool, and is widely used in various clothing materials and decorative materials. Polyester can be used for conveyor belt, tent, canvas, cable, fishing net, etc. in industry, especially for polyester cord used for tire, and its performance is close to that of nylon. Polyester can also be used for electrical insulation materials, acid-resistant filter cloth, pharmaceutical industry cloth, etc.

Price advantage of polyester staple fiber

Advantages of polyester staple fiber:

1. Detergent detergent with normal dosage below 100 has no effect on polyester;

2. The molecular chain is easy to keep linear, so the crystallinity and orientation of polyester are high;

3. It has high strength and elastic recovery ability, and is firm and durable, wrinkle-resistant and iron-free;

4. High strength, impact strength 4 times higher than nylon and 20 times higher than viscose fiber;

5. The melting point is relatively high, but the specific heat capacity and thermal conductivity are small, so the polyester fiber has high heat resistance and thermal insulation;

6. Good abrasion resistance, second only to nylon with good abrasion resistance, better than other natural fibers and synthetic fibers;

7. Good light fastness, second only to acrylic fiber, and its light fastness is better than natural fiber fabrics;

8. Corrosion resistance, bleach, oxidant, hydrocarbons, ketones, petroleum products and inorganic acids. It is resistant to dilute alkali and is not afraid of mildew, but it can be decomposed by hot alkali. There is also a strong ability to resist acid, alkali and ultraviolet rays.

Disadvantages of polyester staple fiber:

Poor dyeability, dye molecules are not easy to enter the fiber;

Poor hygroscopicity, stuffy feeling when wearing, and easy to carry static electricity and dirt, affecting the beauty and comfort.

Polyester staple fiber is a fiber made from purified terephthalic acid (PTA) or dimethyl terephthalate (DMT) and ethylene glycol (EG) through esterification or transesterification and polycondensation reaction. The fiber is made of polyethylene terephthalate (PET), a fiber after spinning and post-processing. The fabric woven from ordinary polyester filament has the advantages of good strength, smooth and crisp, easy to wash and dry, but it has the disadvantages of hard feel, poor touch, soft luster, poor permeability and moisture absorption. If compared with real silk fabrics, the gap is larger, so we must first imitate real silk on the silk structure to eliminate the disadvantage of its poor wearability. Due to the above shortcomings, polyester staple fiber has obvious price advantages and is relatively cheap


 
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