In the global textile industry, polyester spun yarn (Polyester Spun Yarn) has become a widely used basic material. With its superior performance and wide range of applications, polyester spinning occupies an important position in modern clothing, home furnishing, industrial fabrics and other fields. This article will deeply explore the characteristics, production process, and application and development prospects of polyester spinning in the textile industry.
Spun polyester is a yarn made from polyester fibers, usually produced by spinning short fibers into yarn. Polyester is a synthetic fiber made from chemical reactions of petroleum derivatives. This fiber is widely used in the manufacture of textiles due to its excellent strength, abrasion resistance and weather resistance.
Polyester fiber has high strength and can withstand large tensile forces, which makes polyester spinning fabrics have good wear resistance and durability. Polyester yarns are more resistant to tearing than natural fibers, making them ideal for use in textiles that require frequent use and cleaning.
Another notable feature of spun polyester is its wrinkle resistance. The molecular structure of polyester fiber gives it good elastic recovery capabilities, so the fabric made is not prone to wrinkles. At the same time, polyester yarn has high dimensional stability, and the fabric is not easily deformed during washing and use, and can maintain its appearance and size for a long time.

Polyester fiber has good resistance to many chemicals and can resist the attack of weak acids and weak alkalis. In addition, polyester yarn also has strong UV resistance, and the fabric made from it can be exposed to sunlight for a long time without being easy to fade or be damaged, which makes it an ideal material for outdoor fabrics.
The production process of polyester spinning involves multiple steps, including polymerization, melt spinning, cutting, drawing and spinning. The following are the main production process steps of polyester spinning:
Polyethylene terephthalate (PET), the raw material of polyester fiber, produces polyester resin through polymerization reaction. The polyester resin is then melted at high temperatures and extruded through the spinneret of the spinning head to form continuous filaments.
The filaments obtained after melt spinning are solidified by cooling and then cut into short fibers. These short fibers are then stretched through a drawing process, giving them greater strength and elasticity. The drawn short fibers are then combed and drawn into uniform yarns.
During the spinning process, the stretched and drawn short fibers undergo multiple twists on the spinning machine to form a tight yarn. These yarns can be further processed into various fabrics and used to make different kinds of textiles.
Polyester spinning is widely used in clothing manufacturing, especially in clothing that needs to be wear-resistant and wrinkle-resistant, such as sportswear, casual wear, and workwear. Due to its excellent strength and elasticity, garments made from polyester yarn are not only durable but also maintain their shape and appearance.
Polyester spinning is also widely used in the production of home textiles, such as bed sheets, curtains, carpets and sofas. These products often require frequent cleaning and use, so the durability and dimensional stability of polyester yarn make it an ideal material choice.
In the industrial field, polyester spinning is often used to make filter cloths, conveyor belts, and safety belts. These products require materials with high strength and chemical resistance to maintain stable performance in demanding working environments.
As a key textile material, polyester spinning has occupied an important position in the textile industry due to its excellent performance and wide range of applications. In the future, with the increase in sustainable development and functional requirements, the production technology and application fields of polyester spinning will continue to expand, injecting new vitality into the development of the textile industry.