Small products, big use! This chemical fiber "supporting role" is not a "walk-on"

Small products have great uses. Oil additives, masterbatch, these several small products seem to belong to the "supporting role", but in fact, they are related to the high-quality development of the "protagonist" chemical fiber products.

The "Guidance on the high-quality development of chemical fiber Industry" issued this year mentioned "improving the level of innovation and development of the industrial chain", "strengthen the key raw materials technology research, enhance the security and stability of the industrial chain"; In the mention of "promoting the high-end development of new fiber materials", it is proposed that "the research and development of key materials, auxiliary materials and flame retardants, modifiers, masterbatches, catalysts, oils, sizing agents and other products is the focus."

On November 16, the Annual meeting of chemical fiber Additives and masterbatch and industrial chain technical exchange Seminar, sponsored by China Chemical Fiber Industry Association and hosted by Chemical Fiber Additives Branch and co-organized by Zhejiang Chuanhua Chemicals Co., LTD., was held online. China Chemical Fiber Industry Association President Chen Xinwei, former vice president He Yanli, Vice president and Secretary-General Guan Xiaorui, Donghua University researcher Wang Huaping, China Chemical Fiber Industry Association oil additives Branch president, Zhejiang Chuanhua Chemicals Co., LTD. General Manager Pan Yi, Suzhou Baolidi Material Technology Co., LTD. Chairman Xu Yiming attended the meeting.

The meeting discussed the value, development status and demand direction of chemical fiber oil additives and masterbatches in fibers, the application of polyester, nylon, high-performance fibers and other subcategories, the problems still faced by "domestic" products in actual use, and how to improve the market competitiveness of localization "supporting roles".

Chen Xinwei, president of China Chemical Fiber Industry Association, pointed out: "Chemical fiber oil additives and masterbatches, as important raw materials, are important elements of innovation in the chemical fiber industry, and play a positive role in promoting the high-quality development of China's chemical fiber industry."

The level of localization of oil additives is not the same

The chemical fiber oil agent is used to adjust the friction characteristics of the fiber in the process of chemical fiber spinning, prevent or eliminate electrostatic accumulation, give the fiber smooth, soft and other characteristics, improve the fiber holding force, protect the fiber strength, reduce the spinning break rate, so that the chemical fiber smoothly through the spinning, stretching and other processes. At the same time, the quality of chemical fiber oil is directly related to the quality of the dyeing process.

Chen Xinwei introduced: "In recent years, the process of localization of chemical fiber oil additives continues to accelerate, polyester staple fiber, polyester DTY oil basically achieve self-sufficient supply, polyester POY, FDY and nylon oil to achieve domestic breakthrough, carbon fiber, arylon and other high-performance fiber oil additives development and application progress."

The total annual demand for chemical fiber oil agent in China is about 800,000 tons. In the polyester industry, the annual amount of DTY oil is about 550,000 tons, the amount of POY oil is about 100,000 tons to 110,000 tons, the amount of FDY oil is about 110,000 tons to 130,000 tons, and the amount of polyester staple fiber oil is about 50,000 tons.

"The pre-spinning agent used in the polyester industry is mainly imported, and the domestic oil agent still needs to be strengthened in the development of medium and high-end oil agents." New Fengming Group R & D manager Cui Li introduced.

In the nylon industry, Hengshen Group R & D department engineer Zheng Yulei introduced that the current total amount of nylon 6 oil is about 82,000 tons, of which DTY nylon 6 has the largest annual demand for oil, about 40,000 tons.

"China's nylon 6 oil agent started late. For the oils used in FDY and HOY products with higher requirements, Chinese oil suppliers still need to strengthen research and development." Zheng Yulei said.

In the spandex industry, Xie Yueting, chief engineer of Xinxiang Chemical Fiber Co., LTD., introduced that the oiling rate of 40D spandex is about 4.5%-5%, and the annual demand for spandex oil is about 43,400 tons in 2021, when China's 868,000 tons of spandex production is calculated, of which the market share of domestic oil is about 70%.

Zhejiang Chuanhua Chemical Co., Ltd. is a leading enterprise in the production of domestic oil, its polyester, nylon DTY oil in the domestic market share of more than 40%, in the global market share of more than 30%. For example, its research and development of conventional FDY oil agent TF-7611, TF-7616 and other products, in large polyester enterprises have achieved the undifferentiated replacement of imported products.