Silver-carried cotton fabric antibacterial material and preparation method thereof
A technology for antibacterial materials and cotton fabrics, applied in the field of functional polymer materials, can solve the problems of affecting the loading efficiency and uniform distribution of functionalized ions, increasing the impact, and increasing the difficulty of the reaction, and achieves a simple and easy-to-control preparation method, a wide range of sources, and high consumption. short time effect
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Embodiment 1
[0017] 5g of pure cotton cloth (containing 100% cotton), washed with distilled water, immersed in 50ml of 2% fatty acid polyoxyethylene ester solution by mass, and taken out after 30min. AgNO at 0.1M 3 20% by mass of ammonia water was added to the solution to obtain a clear silver ammonia solution. Dip the soaked cotton fabric into 100ml silver ammonia solution, and heat at 40°C for 30min. After the reaction, wash the silver-loaded cotton fabric with distilled water, put it into 150ml of 1% glucose solution by mass, wash the surface with distilled water after 60min, and dry it at 30°C. figure 1 SEM photos of silver-loaded pure cotton cloth, from figure 1 a It can be seen that silver is distributed evenly in the cotton fibers.
Embodiment 2
[0019] 5g nylon cotton (containing 75% cotton, 25% nylon), washed with distilled water, immersed in 50ml 2% fatty acid polyoxyethylene ester solution by mass, and taken out after 30min. AgNO at 0.3M 3 Add 25% ammonia water in the solution to obtain a clear silver-ammonia solution. Dip the soaked cotton fabric into 100ml of silver ammonia solution, and heat at 50°C for 45min. After the reaction, wash the silver-loaded cotton fabric with distilled water, put it into 150ml of 3% glucose solution by mass, wash the surface with distilled water after 60min, and dry it at 30°C. figure 1 For the SEM photo of silver-loaded brocade cotton, from figure 1 b It can be seen that silver is evenly distributed in nylon cotton fiber.
Embodiment 3
[0021]5g of polyester cotton (33% cotton, 67% polyester), washed with distilled water, immersed in 50ml of 5% fatty acid polyoxyethylene ester solution by mass, and taken out after 30min. AgNO at 1M 3 30% by mass of ammonia water was added to the solution to obtain a clear silver-ammonia solution. Dip the soaked cotton fabric into 100ml silver ammonia solution, and heat at 70°C for 35min. After the reaction, wash the silver-loaded cotton fabric with distilled water, put it into 150ml of 7% glucose solution by mass, wash the surface with distilled water after 60min, and dry it at 30°C. figure 1 SEM photo of silver-loaded polyester cotton, from figure 1 c It can be seen that silver is evenly distributed in the polyester-cotton fiber.
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