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Evolution Of Anti-bacterial Material For Textile Use
- May 07, 2018 -

1. The first generation of anti-bacterial materials mostly use organic anti-bacterial finishing agent, and finishing processes such as absorption and padding. Antiseptics included RASO(OH) 2, C7H11O9P, THDE, BCA, and TBI, which have strong anti-bacterial effect but are poisonous to human, some of which are explicitly prohibited.

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2. The second generation of anti-bacterial materials mostly uses inorganic materials to combine with fibers through processes such as absorption, padding and blended spinning. Antiseptics such as TiO2, ZnO, ZnFe2O4, CuS, Cu2O are less poisonous and safe to human, but some are anti-bacterial only under certain circumstances, some are less effective and some have color limitations.

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3. The third generation of anti-bacterial materials use silver ion antiseptics. Antiseptics such as sulfadiazine silver, silver nitrate, silver chloride silver-loaded zirconium phosphate are treated with processes such as graft copolymerization and modification. Those modified silver ion antiseptics have favorable anti-bacterial effects, but some of them are dissoluble with security risks. Some are only suitable for medical use.

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4. Applying nanoparticle silver, the forth generation of antiseptics are widely used in textiles. With finishing processes such as blended spinning, padding or absorption, nanoparticle-scale silver as excellent anti-bacterial effects, only a small amount of which would enable the function. Moreover, it has a wide antimicrobial spectrum without drug resistance. However, nanoparticle-scale silver is potentially dissoluble, toxicity studies of which have already been reported in China. In 2013, nanoparticle silver was forbidden to be used in textiles in the US.

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5. The fifth generation of antiseptics are pure silver coating fiber, covering fiber base material with pure silver simple substance to create micron-scale silver coating and further spinnable silver fibers. This anti-bacterial material is natural, safe and washable, having wide spectrum and excellent anti-bacterial effect without drug resistance. Disadvantages: high cost, color lamination for being used in textiles. Currently mainly used in premium anti-bacterial textiles, these materials are the orientation of the development of anti-bacterial materials used in textiles.

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