Copper ion antibacterial fiber strength "online"

On June 19th, as a strategic partner of the “4th China Top Ten Textile Science Press Releases and Results Matchmaking Meeting”, Beijing Zhongfang Yousi Special Fiber Technology Co., Ltd. (hereinafter referred to as “Zhongfang Yousi”) attended the conference. guests, business and media showcase its latest product - copper ion antimicrobial fiber and related textile products, attracting the attention of many enterprises. After the results of the matchmaking meeting, the strength of the copper ion fiber of Zhongfang Yousi was “on the line” and was favored by many enterprises.

Antibacterial fiber with copper ions

“Yous” means that the company's product goal is to provide high quality fiber and yarn to the market, and differentiated product development is an important direction. The face of the growing domestic market demand for high-performance anti-bacterial fibers, spinning yarn from excellent start in 2014, after three years of research and development system, successfully developed a nylon fiber-based antimicrobial copper ions.

"At present, the market competition of antibacterial fiber is fierce, so it is either large or innovative, otherwise it is difficult to make achievements in the antibacterial fiber market. From the perspective of sustainable development of enterprises, innovation is the only way for the company to choose." Deputy General Manager Yang Chunxi told the reporter.

At present, there are many kinds of antibacterial fibers on the market. In order to grasp the large market of antibacterial fibers, it is necessary to develop new antibacterial fibers with high performances such as "safer, more powerful, broader spectrum, and more durable".

Copper is an essential trace element in the human body and is a normal component of blood. Copper is the original oxidant and an antioxidant. The biochemical function of copper in the body is mainly catalytic. Many copper-containing metal enzymes act as oxidases and participate in the redox process in the body. They have important physiological functions; copper has a strong bactericidal function. When the copper surface directly interacts with the bacterial outer membrane, the "membrane potential" of the bacteria is destroyed by the "short-circuit effect" and the "oxidative destruction" formed by the single copper ion or the copper molecule "aerobic impact" of the cell membrane by the free state The bacterial outer membrane is ruptured, and then the copper surface acts on the "hole" on the outer membrane of the bacteria. The copper ion stream can smoothly enter the inside of the bacterial cells, blocking the metabolism of the cells, and the bacteria will not be able to breathe, eat, digest and produce energy.

Therefore, copper can kill Staphylococcus aureus, Candida albicans, Escherichia coli, etc. within two hours, the sterilization rate can be as high as 99%; the sterilization rate of fungi is more than 99%; the sterilization rate of mold can reach one Copper is also the "natural enemy" of influenza virus. Copper can accumulate more copper ions on the surface of influenza virus, thus providing an effective "target" for Vc to attack influenza virus. Vc interacts with copper ions on the surface of the virus to form an unstable compound that can separate active oxygen ions, causing the surface of the virus containing the protein to rupture and then killing the virus. Copper is an anti-aging expert. The reason why the body is aging, the free radicals produced in the body play a considerable role. In particular, the hydroxyl radicals are the most toxic, not only damage the cell membrane through lipid peroxidation, but also destroy the genetic material in the nucleus, leading to cell death. In addition, the activity of many important enzymes can be reduced or even eliminated. Studies have shown that copper-containing metallothionein and superoxide dismutase have strong functions of scavenging such metabolites and protect human cells from harm.

Due to the safety of copper and its strong and broad-spectrum antibacterial properties, it has been widely used in industries and fields such as tableware, water purification, algae killing and sterilization. In fiber applications, about 20 years ago, Europe and the United States and South Korea began to produce and use copper-coated fibers obtained by electroplating from the beginnings of anti-allergic makeup brushes, towels and mattresses. In the 2010 mine disaster in Chile, the miners used this kind of fiber-made towels and socks to effectively fight off foot fungus and skin eczema, remove odor and prevent infection. However, since the copper ions in the fibers are all attached to the surface of the fiber, the durability of the fiber material for the fabric is relatively poor, and the copper ions adhering to the surface layer are easily peeled off (this fiber is used for high-end conductive fibers or electrode materials. Good choice).

In order to enable copper ions to be used in the field of antibacterial textiles, five years ago, South Korea tested the development of a durable copper ion antibacterial fiber specifically for antibacterial textiles using a melt spinning process. However, since the spinning raw material is prepared by the copper plating process, the copper on the surface of the raw material is easily peeled off during packaging, transportation, use, etc., the copper loss is large, the dust pollution is serious, and the copper ions in the fiber are unevenly distributed. The copper ion content cannot be accurately controlled, the spinnability and the fiber's resistance to oxidation and discoloration are poor.

In view of the safety of copper to the human body, the strong and broad spectrum of antibacterial properties, the richness of raw materials and the low cost of copper and silver, in the field of antibacterial fibers, copper ions are used as functional materials. And the production of new antibacterial fiber has become the consensus and development trend in the industry today. Therefore, Zhongfang Yousi began to develop modified functional slice containing nano-scale copper material, and began to develop copper ion-embedded antibacterial fiber based on melt spinning process, so that copper ions are firmly embedded in the fiber molecular structure to completely solve copper. The problem of ions falling off during use gives the fiber long-lasting antibacterial properties.

The development and industrial production of any new type of fiber is not all smooth, and it is necessary to go through a difficult technical breakthrough to achieve a breakthrough in technology. From the copper ion antimicrobial slice dispersed, research and build a complete system of lubrication and anti-oxidation, spinning technology research to industrial products as well as product quality standards of corporate requirements for market-making, spinning silk excellent form with independent intellectual property rights Complete set of industrial production technology, successfully developed and produced a "safer, more powerful, more broad-spectrum, more durable" nylon-based high-performance new copper ion antibacterial, anti-mold fiber and formed into FDY, DTY and short fibers , tops, including a series of products. This series of products has strong, long-lasting antibacterial, anti-mildew, deodorant, skin-beautifying and other functions, and its antibacterial and anti-mildew effects are significantly higher than other antibacterial fiber products. At the same time, the fiber has excellent resistance to discoloration, moisture absorption and flexibility.

At present, Zhongfang Yousi can not only produce natural copper antibacterial and anti-mold fiber, but also can produce copper ion antibacterial and anti-mold fiber of specific color according to customers' requirements. The products have been sold well in Europe, America and Taiwan. market. In addition, they also in-depth study of the application of fiber in antibacterial socks, antibacterial towels, antibacterial underwear, antibacterial underwear, antibacterial home textile products, antibacterial masks , antibacterial filter materials, etc., for the downstream customers to use this series of fibers for new antibacterial, anti-mildew The development and production of needle textile fabrics and end products have created good technical reference conditions.

Yang Chunxi told reporters, "We will develop the domestic market of copper ion fiber in the next step, especially in most parts of southern China. The annual average temperature and humidity are relatively high, which is more suitable for the reproduction of bacteria. By actively promoting copper ion antibacterial and anti-mold fiber. The application of needle textiles and other fields will enable more consumers to enjoy the health benefits of copper ion antibacterial and anti-mold fibers."

Up to 99% bactericidal effect

Zhongfang Yousi copper ion antibacterial and anti-mold fiber series products have been tested by authoritative testing institutions. The main antibacterial indexes of Staphylococcus aureus, Candida albicans and Escherichia coli are more than 99%, reaching the national textile industry. The highest AAA standard and the international SGS standard.

In practical applications, it is only necessary to add 5% to 10% of nylon-based copper ion fiber and cotton, wool, polyester , nylon and other fiber blended knitted fabrics and woven fabrics after 50 times of repeated washing, the fabric antibacterial rate can still reach The highest AAA standard in the national textile industry.

In addition, the copper ion antibacterial fiber has a good bactericidal effect on the fungus (Red Trichophyton) which causes athlete's foot. It only needs to add 5% to 10% copper ion antibacterial fiber, and the bactericidal effect can reach over 99%, which is unmatched by other antibacterial fibers. of.

It is worth mentioning that the copper ion antibacterial fiber also has a good anti-mildew effect, and the mildew resistance level can reach level 1. Not only that, but it also has the effect of removing free radicals and skin, which is unmatched by existing fibers including silver and zinc-based antibacterial fibers.

Due to the remarkable sterilization, antibacterial and anti-mildew effects of copper ion antibacterial fiber, it not only meets the demand for higher antibacterial and anti-mildew properties of fabrics in the civilian field, but also meets the high-end needs of hospitals, military and special industries. Copper ion antibacterial fiber is used in hospital surgical aseptic clothing, doctor and nurse clothes, bed sheets, medical dressings, masks, etc. It has special anti-viral properties; it is used for sneakers, uppers, socks, etc. Sterilization; used in bedding and sofa cloth, underwear, underwear, etc., has good sterilization and antibacterial effect; used in air purifier filter and water filtration material, has good sterilization and antibacterial effect; used for rag The fabric in a humid environment such as towels has the effect of preventing mildew and sterilizing.

About Zhongfang Yousi:

Beijing Zhongfang Yousi Special Fiber Technology Co., Ltd. is a subsidiary company of China Textile Science Research Institute and a high-tech enterprise recognized by Beijing Science and Technology Commission. Relying on the strong research and development strength of China Textile Science Research Institute, Zhongfang Yousi has successively developed crack-type composite microfiber, polyester-rubber core composite fiber, polypropylene series functional fiber, series composite conductive fiber and series copper ion antibacterial fiber. . Become a major supplier of functional fibers for civil, military and specialty industries.