Antibacterial fiber post-processing method
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Antibacterial fabric post-processing fabrics textiles antibacterial flame retardant fabrics
The post-processing method is to use dipping, padding, coating or spraying to add antibacterial properties during the fabric printing, dyeing and finishing process. A method of applying an agent to the fiber surface and fixing it on the fabric to have an antibacterial effect. From a mechanism point of view, the post-processing methods of antibacterial fiber can be divided into three types:
(1) Use reactive resin to heat-fix the antibacterial agent on the Fiber surface;
(2) The antibacterial agent is adsorbed on the fiber surface;
( 3) The functional groups on the surface of the fiber react with the antibacterial agent and are grafted and fixed, including cross-linking with cross-linking agents such as glyoxal.
From an operational point of view, antibacterial agents can be combined with dyes in advance or added during the dyeing process; they can also be added to softeners and finishing agents, such as using metal The fine powder of its compounds is shared with softeners with good adhesion and film-forming properties.
This type of method is essentially a fiber processing and finishing technology. Its advantage is that it is easy to process. Different antibacterial agents can be selected for production according to the needs of users or end uses. The antibacterial agents can also be applied to fibers, yarns, fabrics, garments or various textiles. on products. The disadvantage is that the antibacterial agent only exists in the surface layer of the fiber and cannot be replenished once it falls off. Therefore, it is often not resistant to washing, the durability of the antibacterial effect is not ideal, and there may be safety issues due to large initial dissolution. Among them, the film-forming method can form a channel for metal ions to leave the inside of the fiber and establish a slow-release system. When the antibacterial agent on the surface of Flame-retardant fabric is reduced, the antibacterial agent inside the fiber is slowly released, making it are replenished, thus improving durability and safety.
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