[Chemical Knowledge]：Polyester polyester properties, uses, upstream and downstream raw materials, storage methods, polyester polyester polyester fabric will be pilling

Polyester Polyester Properties

Polyester (Polyester Fiber) is a synthetic fiber made from terephthalic acid and ethylene glycol through polycondensation. Its molecular structure contains ester groups, giving it excellent physical and chemical properties. Polyester polyester has high strength, high modulus, good heat resistance and wrinkle resistance. It has good tensile strength and wear resistance, and is not easy to deform and break. Polyester polyester also has good acid and alkali resistance and UV resistance, so that it can maintain excellent stability in a variety of environments.

Polyester polyester use

Polyester polyester is widely used in textile, industrial and household fields because of its excellent performance. In the textile industry, polyester polyester is an important material for the manufacture of clothing, carpets, canvas, rope and mesh cloth. In the home field, it is often used to make curtains, sand release, bedding, etc. Industrially, polyester polyester is used to make high-strength fibers, industrial cloths, conveyor belts and filter materials. Due to its good electrical insulation properties and chemical resistance, polyester polyester is also used in the manufacture of electronic devices and chemical equipment.

Polyester polyester upstream and downstream raw materials

The raw materials for the production of polyester polyester mainly include terephthalic acid (PTA) and ethylene glycol (EG). Terephthalic acid is produced by the petrochemical route, starting from para-xylene (PX), which undergoes an oxidation reaction to form PTA. Ethylene glycol is produced from ethylene through an ethylene oxide intermediate system. The production process of polyester polyester involves esterification of PTA and EG to form oligomers, and then polycondensation to form high molecular weight polyester.

In the downstream, polyester polyester products are widely used in various fields, promoting the development of clothing, home, automotive and industrial industries. These industries have a large demand for polyester polyester, which directly affects the balance of supply and demand and price fluctuations in their markets.

Polyester storage method

Polyester polyester needs to pay attention to moisture, dust and UV protection during storage. The storage environment should be kept dry to avoid mildew and performance degradation caused by moisture. The storage place should be kept clean to prevent dust and other impurities from contaminating the fiber. Polyester polyester has good light resistance, but long-term exposure to ultraviolet rays will cause its performance to deteriorate, so storage should avoid direct sunlight, if necessary, use a shade cloth to cover.

Storage temperature and humidity are also factors of concern. Generally speaking, the best storage temperature for polyester polyester is between 15°C and 25°C, and the relative humidity is maintained at 50% to 70%. During transportation, contact with sharp objects should be avoided to prevent the fiber from being cut or worn. Reasonable storage and transportation management can ensure the quality and performance of polyester polyester and extend its service life.

Polyester Polyester Market Prospects and Challenges

With the growth of the global population and the improvement of living standards, the demand for textiles and industrial materials is increasing, which provides a broad prospect for the polyester polyester market. Especially in developing countries, with the advancement of urbanization, the demand for polyester polyester products shows a rapid growth trend. The advantages of polyester in environmental protection and sustainable development also provide new opportunities for its future development. Its recyclability and reuse performance make it have great development potential in the circular economy mode.

The polyester market also faces some challenges. Fluctuations in raw material prices have a significant impact on production costs. The fluctuation of oil price directly affects the price of terephthalic acid and ethylene glycol, thus affecting the production cost and market price of polyester polyester. The increasingly strict environmental protection policy also puts forward higher requirements for polyester polyester production. How to reduce environmental pollution and resource consumption while ensuring production efficiency and product quality is an important issue that needs to be resolved in the future.

Conclusion

With its excellent performance and wide application fields, polyester has become an indispensable material in modern industry and life. Through the detailed analysis of its properties, uses, upstream and downstream raw materials and storage methods, it can be seen that polyester polyester has broad development prospects in the market, but it also faces certain challenges. In the future, with the advancement of technology and the enhancement of environmental awareness, the polyester polyester industry is expected to achieve more sustainable development, bringing more convenience and innovation to human life and industrial production.