The first soybean protein fiber manufacturing technology in China is based on the extracted soybean meal. The protein is extracted by soaking. The spherical protein is extracted and purified, and then grafted with the hydroxyl polymer to achieve compatible copolymerization. Blended, made into a certain concentration of protein spinning solution, using modern spinning equipment, through the wet spinning process, made of fiber rich in soy protein. The entire production process has no pollution to the environment, air, human body, soil, and water quality. Because China has rich soy protein resources and can be regenerated, it meets the requirements of sustainable development. Soybean protein fiber contains a variety of amino acids beneficial to human body, with a variety of fiber characteristics, such as cashmere-like feel, silk luster, cotton fiber moisture absorption and breathability, wool warmth, etc., known as the new century health and comfort type fiber.
At present, engineering development has lagged behind the development of the process and has become a bottleneck in the industrialization of soybean protein fiber production. According to reports, as the largest soybean protein fiber industrialized production base in the country at present, Jianghe Company encountered a series of problems in the process of industrialized production, in which the liquid-making section was outstanding, such as how to achieve the technological indicators in continuous production. Stability of control, so as to achieve product quality stability and consistency and so on. With the development of fiber production, various processing companies at the back road have raised a series of problems in development and application, such as improving the spinnability of fibers, the dyeability of yarns and fabrics, and the related properties of the final products. To a certain extent, it is related to fiber production. Therefore, the implementation of automated transformation of control means has become the need for the industrialization of soybean protein fiber production, and it has also become the need for the development of soybean protein fiber and expanding the market.
To this end, Jianghe Company invested approximately RMB 10.5 million in the project. The three senior experts and chief engineers of the former China Textile Industry Design Institute formed a project expert group and spent nearly two years implementing the DCS transformation project. After inspection, the acceptance committee considered that the project has completed the main tasks specified in the contract and unanimously agreed to pass the acceptance. The acceptance opinion states that the control method of this project adopts the components produced by domestic and foreign companies, and the precision has reached the international advanced level. It is effective, controllable, and reliable. It meets the technical requirements specified in the contract; the physical quality of the product is better than the enterprise standard. The stable control of the industrialization of soybean protein fiber was realized. Soybean protein fiber products are well-received by users, and have achieved a total output of more than 100 tons. The product qualification rate is 96%.
Specifically, the project greatly improved the consistency of the soy protein fiber spinning dope and solved the problem of can and batch errors in indirect production. During the implementation of the project, according to the data displayed in the control, the temperature profile of the protein, the temperature profile of the raw liquid and the temperature profile of the spinning oven were optimized, and the product quality was effectively controlled. Participants agreed that the project is accurate and well implemented, and has successfully explored a new way of industrialization projects with independent intellectual property rights products to further enhance scientific and technological content, which is of practical significance.
Du Yuzhou, president of China Textile Industry Association, highly praised the successful acceptance of the DCS retrofit project. He pointed out that the success of the renovation project is of great significance and can be considered as an important turning point in the industrialization of soybean protein fiber. It gives the soy protein fiber process a sensitive, sound, and distributed "neural control system," which not only creates conditions for the further evolution of the process and taps the spinnability of soybean protein fibers, but also enables companies to modernize their management and reduce production. Cost offers possibilities. He hoped that Jianghe Company will continue to make progress in engineering, equipment, quality, and management, and do a good job in product development and market development so that soybean protein fiber products will move toward domestic and international markets as soon as possible.
As China's only original technology in the field of applied fibers, the industrialization of soybean protein fiber has attracted widespread attention in the industry. For some time now, the difficulties encountered in this process can not help but wonder about the prospects of its industry. At this time, Changshu Jianghe Tianrong Silk Fiber Co., Ltd. successfully controlled and automated the soybean protein fiber production line, undoubtedly injecting new vitality into the soybean protein fiber industry.
In addition, Shandong Ruyi Technology Group developed and developed soybean protein fiber wool fabrics. The project uses soybean protein fiber, blended with high-quality Australian wool and Tencel, and uses low-temperature dyeing, digital printing technology, and composite spinning technology to develop soybeans. / Wool / Tencel, Soy / Wool / Polyester, Soy / Wool and other digital printing fabrics.
The project fully embodies the excellent performance of soybean protein fiber in the product, achieves the best use of the product, the present value of the product, expands the development and application of the worsted fabric, and gives the fabric a special style, satisfying Market demand, in line with people's concept of advocating nature and green consumption.
The National Nonwovens Engineering Technology Research Center and Xinlong Holdings (Group) Enterprise Technology Center have jointly developed milk protein fiber spunlaced nonwovens and soy protein fiber spunlaced nonwovens, which have been successful. The results of this product development will give new features to spunlace nonwovens and will help further expand the application of spunlace nonwovens.
The successful milk protein fiber spunlaced fabric and soybean protein fiber spunlaced fabric used in this trial were made by using milk protein fiber and soybean protein fiber as raw materials, using special combing and spunlace technology, and combining functional finishing techniques. The product weight is between 30 and 70 g/m2, which can be designed according to the user's special needs.
Milk protein fiber spunlace cloth not only keeps the natural fiber skin-friendly and non-allergic, but also has the features of soft hand feeling, good moisture absorption and breathability, and excellent skin-friendly properties. At the same time, the milk protein fiber spunlace cloth contains a variety of essential amino acids. The PH value of the fiber is slightly acidic. It is consistent with human skin and has excellent health care functions. It is an ideal material for beauty and cleansing products.
Soybean protein fiber spunlace cloth is made of soybean protein fiber processed by advanced spunlace technology. The product has the functions of eliminating odor, blocking ultraviolet rays, emitting far-infrared rays, etc., and has quick moisture conduction, good air permeability, dry and comfortable, soft and fluffy, and has excellent skin care characteristics; the product has excellent health care functions and has natural Yellowish color is an ideal material for beauty, daily use and hygiene products. At present, Hainan Xinlong Non-woven Products Co., Ltd., a subsidiary of Xinlong Holding (Group) Co., Ltd., is applying this material for extended processing and development. It is intended to be used in the trial production of cosmetic facial masks, beauty wipes, and various maternal and childcare products and medical health care products.
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