Common antibacterial fabrics can be divided into natural fibers and chemical fibers. Now let's talk about which fiber fabrics of each type have antibacterial functions.
Natural fiber fabric
Bamboo fiber
Principle: Bamboo fiber contains a natural antibacterial substance called "bamboo Kun", which can inhibit the growth of bacteria such as Escherichia coli and Staphylococcus aureus. Moreover, the fiber structure is porous and has strong hygroscopicity, which can reduce the odor caused by sweat retention.
2. Flax fiber (flax/ramie)
Principle: The surface of hemp fibers has a natural waxy layer. The fiber structure is loose and has excellent air permeability and moisture absorption, which can reduce the humidity on the skin surface and destroy the environment for bacterial reproduction. Moreover, the "pectin" and "lignin" contained in flax fibers have certain antibacterial effects.
3. Wool (Natural antibacterial wool)
Principle: The scale structure on the surface of high-quality wool fibers and the natural oil (lanolin) can inhibit the growth of some bacteria. Moreover, wool can absorb 30% of its own weight in water without causing a damp feeling, reducing the source of odors.
Chemical fibers or modified fibers
Polyester fiber (polyester)/nylon (polyamide) + antibacterial finishing
Principle: Through post-treatment processes (such as impregnation and coating), antibacterial agents (such as silver ions, zinc ions, and organic antibacterial agents) are added. These antibacterial agents can destroy the cell membranes of bacteria or inhibit their enzyme activities, achieving an antibacterial effect.
2. Modal/viscose fiber + antibacterial treatment
Principle: After modification, natural wood pulp fibers are combined with antibacterial agents (such as chitosan and quaternary ammonium salts), which not only maintain softness and hygroscopicity but also enhance antibacterial properties.
3. Acrylic fiber (acrylic) + antibacterial modification
Principle: Through copolymerization reactions, antibacterial groups are introduced into the molecular structure of fibers or antibacterial agents are grafted onto the surface to inhibit the growth of fungi (such as molds) and bacteria.
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