Zhang Lianjing, general manager of Fujian Haixing Material Science and Technology Co., Ltd. introduced the new textile material technology, which has been transformed into fiber by plant starch. The audience from the audience could not wait to throw a series of inquiries. This was a shot at the non-cotton fiber R&D and application docking meeting held in Changle, Fujian on May 29th.

Since 2011, the number of non-cotton fibers used by cotton spinning companies has gradually increased under the backdrop of fluctuating domestic cotton prices. How to apply and develop non-cotton fibers to improve the competitiveness of China's cotton spinning companies is also becoming a hot topic for these companies. Jiangsu Dasheng Group Co., Ltd., Shandong Dezhou Huayuan Ecological Technology Co., Ltd., Fujian Changle Mayor Yuanyuan Textile Co., Ltd. And so on have become excellent enterprises in the application of non-cotton fibers.

The increasing use of non-cotton fibers by cotton spinning companies lies in the breakthrough of new technologies for chemical fiber companies. In terms of technological breakthroughs, Fujian Haixing Material Technology Co., Ltd. and Fujian Shishi Xianghong Group Co., Ltd. are typical representatives.

"It can not only provide the natural feel and drapability of chemical fiber raw materials, but also overcome the shortcomings of poor elastic recovery of traditional spandex fabrics, and provides more possibilities for the development of fabrics." Zhang Lianjing said. Fujian Shuxing Material Technology Co., Ltd., located in Quanzhou, Fujian Province, is a model for scientific and technological assistance. They developed and obtained DuPont's exclusive license in cooperation with DuPont, USA, and used the world's most advanced production technology and equipment to develop and produce new fibers derived from renewable biomass resources such as corn. This is the only type of biomass elastic short fiber that is currently produced in the world.

“Fujian Changle Huayuan Textile Co., Ltd. is relying on technological innovation to gradually become the leading company in the Changle textile and fiber industry,” said Xie Yunli, chief engineer of the company. It is understood that when Huayuan Textile was founded in 2002, due to the production of popular polyester products, the competition was very fierce, which made it difficult for enterprises to survive. To this end, they decided to take the road of independent innovation and established a corporate technology research and development center. Huayuan Textile and Xiamen Xianglu Chemical Fiber Co., Ltd. jointly developed far-infrared (nanometer) differential heat storage and thermal insulation fiber yarns. In 2005, we developed differential fiber yarns for moisture absorption and perspiration. In 2006, we developed flame retardance differences. After the viscose fiber yarns they researched and developed were put on the market, the price of similar products was more than 300 yuan per ton higher than that of other manufacturers, and supply was still in short supply.

“So keen on new technologies, because these companies have tasted the sweetness of continuously increasing the technological content of their products over the years. The independent R&D and application of non-cotton fibers has become a key factor and has enabled companies to maintain steady growth in the adverse market.” Fujian Changle Textile Industrial Corporation Manager Chen Muzhu said.

Seeing that colleagues have tasted the sweetness, many textile companies have followed suit and the company's technology R&D centers have been established. At present, among the textile enterprises in Fujian Changle, there are 7 provincial-level enterprise technology R&D centers and 17 municipal-level enterprise R&D centers. These R&D centers rank the Fujian Changle textile industry at the forefront of technology. A few days ago, China Chemical Fiber Industry Association and China Cotton Textile Industry Association commended 10 non-cotton fiber innovative technology and product application outstanding enterprises across the country, of which Changle has 4 textile companies.

The improvement of the industrial technology level has brought about tangible benefits, and Changle Textile Fibers has also taken a one-step lead over the current weak chemical fiber market and has bucked the trend. In the first quarter, the output value of Changle Textile Industry was 18.478 billion yuan, an increase of 30.2%, of which the chemical fiber industry increased by 30.2%, and the dyeing and finishing industry increased by 18.2%.

With advanced technologies and products, Changle Chemical Fiber Enterprises is gradually increasing capital and expanding production. At present, there are 79 major investment projects under construction and will be constructed in the near future, with a total investment of 36 billion yuan.

In terms of polyester production, there are 10 existing large-scale enterprises in Changle. The annual production capacity of polyester staple fiber is 150,000 tons, the annual production capacity of filaments is 400,000 tons, and the annual chip production capacity is 50,000 tons. At present, the main investment projects are Xindonghua Industry Co., Ltd., which annually produces 200,000 tons of continuous flexible modified polyester direct spinning filaments, and Fujian Changle Shanli Chemical Fiber Co., Ltd. has an annual output of 600 million tons of melt direct spinning polyester Filament, Fujian Province Jinlun High Fibre Co., Ltd. has five projects with an annual output of 500,000 tons of differential polyester chemical fiber expansion. After these projects are put into operation, the total annual production capacity of polyester filaments produced by Changle using advanced melt spinning technology will reach 1.5 million tons, accounting for 12.5% ​​of the total production capacity of such processes in the country.

In terms of nylon production, Changle has 12 nylon enterprises above designated size and nylon civilian yarn production capacity of 500,000 tons. Recent major investment projects include Fujian Jinjiang Technology Co., Ltd. Annually producing 100,000 tons of differentiated ultra-fine nylon fiber spinning project, Changle Liheng Nylon Technology Co., Ltd. Phase II annual production of 100,000 tons nylon polymer slicing project, Fujian Kaibang Nylon Technology Co., Ltd. With an annual output of 40,000 tons of nylon fiber, Changle Hengshen Synthetic Fiber Technology Co., Ltd. has an annual output of 80,000 tons of polyamide yarn, 180,000 tons of nylon polymer chips, and 40,000 tons of spandex items. These projects will be completed and put into operation during the “Twelfth Five-Year Plan” period. By then, Changle civilian nylon filament production capacity will reach 740,000 tons, and nylon pellets production capacity will reach 400,000 tons, becoming the largest nylon chip production base in the country.

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