The production of polypropylene staple fiber is a complex process, which mainly includes raw material preparation, polymerization reaction, spinning forming and post-treatment.

The main raw material of polypropylene staple fiber is polypropylene (PP) particles, which are usually prepared from propylene through polymerization. In the raw material preparation stage, it is necessary to ensure that the purity and quality of polypropylene particles meet the requirements to ensure the stability of subsequent production and the quality of the product.

Polymerization is one of the key steps of polypropylene staple fiber production. In the polymerization reaction, propylene monomer under the action of catalyst polymerization reaction, forming polypropylene long chain molecules. This step is usually carried out in the reactor, and it is necessary to control the appropriate temperature, pressure and reaction time to ensure the smooth progress of the polymerization reaction and the quality of the product.

Spinning is another important step in the production of polypropylene staple fiber. In the spinning process, the polypropylene melt is extruded into fine filaments by the spinning machine, and after stretching, cooling and shaping steps, finally forming polypropylene staple fiber. In the process of spinning molding, it is necessary to control spinning speed, drawing ratio, cooling temperature and other parameters to obtain the ideal fiber properties and shapes.

Post-treatment steps include cutting, crimping, drying and packing. Cutting is to cut a continuous filament into a certain length of staple fiber; Curling is to increase the fluffiness and feel of the fiber; Drying is to remove the moisture and volatile substances in the fiber to ensure the dryness and stability of the fiber; Packaging is to package the processed polypropylene staple fiber in accordance with a certain specification and quantity to facilitate subsequent transportation and use.

Hubei Botao Synthetic Fiber Co., Ltd. was founded in October 2000, located in Jingmen City, Hubei Province, specializing in the production and sales of polypropylene, polyester, composite fiber, polylactic acid staple fiber, the products are mainly used in non-woven fabrics, automotive interior, geotextiles, carpets, filtration and other industries. With the continuous development of the company, Jiangsu Botao New Materials Co., LTD., Hubei Lvhuan Chemical Fiber Co., LTD., and Tianlong (Thailand) Co., Ltd. have been established at home and abroad, with a total area of 300,000 square meters. The company has introduced a number of imported fiber production lines, with fixed assets of more than 300 million yuan, an annual output of 100,000 tons of polypropylene staple fiber, 20,000 tons of polyester staple fiber, 10,000 tons of composite fiber, and an annual output value of over 800 million yuan. Focusing on the field of synthetic fiber for more than 20 years, Botao synthetic fiber has obtained excellent market results and extensive honors with the mentality of excellence and integrity development. In 2014, as the vice president unit of the polypropylene Branch of China Chemical Fiber Association, participated in the drafting and formulation of the "polypropylene staple fiber" industry standard; In 2018, it won the invisible champion in the pillar industry segmentation field of Hubei Province Science and Technology Small Giant, which is a provincial specialized and special new small giant enterprise......

The company adheres to technological innovation as the basis, and strives to build the company's quality inspection system, independent research and development, production and marketing capabilities. Through the introduction of new technical personnel, cooperation with colleges and universities research and development, with strong technical force, closely follow the market demand to develop automotive interior, high-speed rail geotextile polypropylene short fiber, to fill the market gap. As a high-tech enterprise, the company has dozens of invention patents and utility model patents, has passed ISO9001, ISO14001, green fiber mark certification, OEKO-TEX100, REACH certification, GRS certification and many other domestic and foreign product certification, product quality has been unanimously recognized by the market. Polypropylene products have complete specifications and stable quality, and are exported to overseas markets such as Southeast Asia, Europe and the United States.