Ningbo Dazhong Industrial Chemical Fiber Co., LTD. Polypropylene POY Filament: A multi-functional synthetic fiber!

Polypropylene POY Filament is an important category of polypropylene filament. "POY" stands for pre-oriented filament, and this name originates from its unique production process characteristics. It is made of polypropylene through the melt spinning process and has extensive applications in the textile and industrial fields.

The production process of Polypropylene POY Filament has a clear procedure. Firstly, after the polypropylene chips are dried, they are sent into a screw extruder to be heated and melted, forming a uniform melt. The melt is extruded through the fine holes of the spinneret to form a continuous filament. Subsequently, the filament is stretched under the action of high-speed airflow, obtaining a certain degree of orientation. This process endows the filament with initial strength and elasticity. Finally, after cooling and oiling treatment, the filaments are wound into tubes to form polypropylene POY filaments. Compared with fully stretched polypropylene filament, POY filament has a lower orientation degree and a higher residual elongation rate, and has the potential for further processing.

The performance characteristics of polypropylene POY filament are very distinct. It has a low density and is one of the lightest synthetic fibers. Fabrics made from it feel light and are suitable for making products that require weight reduction. Meanwhile, it has excellent wear resistance. Even after multiple frictions and uses, it can still maintain a good appearance and structural integrity. In addition, polypropylene POY filament also has certain chemical resistance. When it comes into contact with common acids and alkalis, its performance is not easily affected, which enables it to function stably in some special environments.

From the perspective of application fields, polypropylene POY filament can be found in multiple industries. In the textile field, it is often used for texturing processing to make polypropylene DTY filament (stretched deformation filament). After the elastic treatment, the elasticity and fluffiness of the filament are enhanced, and it can be used to make knitted fabrics, woolen yarns, etc. These fabrics are light in texture and wear-resistant, and are suitable for making sportswear, casual wear and other clothing. Polypropylene POY filament can also be directly used for weaving, such as making mesh cloth, filter cloth, etc. Its good air permeability and strength can meet the usage requirements of these products.

In the industrial field, the application of polypropylene POY filament is also extensive. It can be used to make industrial filter cloth. With its chemical resistance and certain strength, it can effectively intercept impurities during the filtration process and is suitable for some industrial wastewater treatment, air filtration and other scenarios. In the production of ropes and nets, polypropylene (POY) filament is also a commonly used raw material. The ropes and nets made from it are not only lightweight but also have good load-bearing capacity and weather resistance, making them suitable for outdoor use.

Polypropylene POY filament also has good processing adaptability. It can be blended with other fibers, such as polyester, nylon and other fibers, to produce yarns with multiple properties, meeting the needs of different products. During the weaving process, polypropylene POY filament has good weavability and can adapt to different weaving techniques to produce fabrics with various organizational structures.

When using polypropylene POY filament, it should be noted that its heat resistance is relatively limited and it is prone to deformation in high-temperature environments. Therefore, it is not suitable for scenarios that need to withstand high temperatures for a long time. Meanwhile, due to the poor moisture absorption of polypropylene, fabrics made from it may cause a stuffy and hot feeling when worn. Therefore, when designing products, this feature should be taken into account for reasonable application.

Although polypropylene (POY) filament does not directly appear in People's Daily lives as a finished product, it integrates into people's lives and production in various forms through subsequent processing and application. With its unique properties, it provides strong support for various fields and is a highly practical synthetic fiber.