New silicon-nitrogen flame retardant regenerated fiber technology breakthrough – TMPDA-tetramethylpropylenediamine

Through the unremitting efforts of R&D personnel, Siolan’s flagship product, the new silicon-nitrogen series flame retardant regeneration Cellulose fiber – SOL FR? adds a new function: antibacterial function. Recently, the newly developed products have been authoritatively tested by China Textile Standard Inspection and Certification Co., Ltd., and the test results confirmed that the SOL FR? new series of products have excellent antibacterial functions.
It is said that fibers with antibacterial properties can be widely used in personal protection, home textiles, underwear, medical textiles, sweatshirts, etc., especially clothing for the elderly, maternity and infants. Clothes made of this fiber have good antibacterial properties and can resist the attachment of bacteria to clothing, thus keeping people away from germs. Antibacterial includes intrinsic antibacterial and post-processed antibacterial. Currently, the more popular intrinsic antibacterial fibers in the world include chitosan fiber, seaweed fiber, polyimide, etc., and post-processed antibacterial fibers include silver-based antibacterial fiber, copper-based antibacterial fiber, etc.
Essential antibacterial is the antibacterial group on the molecular group of the fiber, which is a permanent antibacterial fiber. Silver fiber is a high-tech product obtained by permanently combining a layer of pure silver on the surface of the fiber through special technology. Copper fiber is a new type of acrylic fiber made by using graft copolymerization technology to graft organic copper chains and highly hydrophilic groups on the side chains of acrylic macromolecules in the pulp polymerization stage, and then through wet spinning technology.
The antibacterial principle of SOL FR? is similar but different from the essential antibacterial fiber. The antibacterial effect and durability are better than silver and copper fibers. Its antibacterial is a long-lasting antibacterial, which is based on ensuring the flame retardant effect. , increased antibacterial function. According to Hu Jinlong, deputy chief engineer of Siolan Company, adding antibacterial function while ensuring the original fiber properties is a difficult topic. After more than two years of overcoming difficulties, the company finally found a breakthrough – choosing materials with both flame retardant and antibacterial properties when producing silicon-nitrogen flame retardants, and finally locked in TiO2 and organic nitrogen with antibacterial properties. compound.
Anatase TiO2 is a photocatalytic antibacterial agent. Its antibacterial effect is due to the catalytic activation mechanism, that is, the metal element absorbs environmental energy (such as ultraviolet rays, etc.), activates oxygen in the air or water, and generates hydroxyl radicals or reactive oxygen ions. ; Hydroxyl free radicals or reactive oxygen ions react with proteins, unsaturated fatty acids, glycosides, etc. in bacterial cells, destroying their normal structure, causing them to die or lose their ability to reproduce. The antibacterial mechanism of organic nitrogen compounds is mainly that organic nitrogen compounds combine with anions in the cell membrane of bacteria or mold, or react with sulfhydryl groups to destroy the synthesis system of proteins and cell membranes, thereby inhibiting the reproduction of bacteria or mold, and playing a sterilizing and Antibacterial, anti-fungal and other functions. The antibacterial function of SOL FR? was also unanimously recognized by experts such as Academician Jiang Shicheng at the project appraisal meeting organized by the China Textile and Apparel Industry Federation.

　 () is deeply engaged in the subdivision industry of polyurethane raw materials – amine catalysts; it develops and manufactures various types of amine catalysts; main products: A-33|33LV|CS90|C225 |GSY9727 |SMP|Z-131|solidamine, etc., suitable for sponge, molding, high resilience, self-skinning, PU toys and various hard products foam and semi-rigid foam and other end products.