Bacteriostatic delustering agent for chemical fibers as well as preparation method and application of bacteriostatic delustering agent
A chemical fiber and matting agent technology, applied in the chemical characteristics of fibers, rayon manufacturing, textiles and papermaking, etc., can solve the problems of poor synergy effect and limited antibacterial effect of yarns, so as to reduce the antibacterial property and improve the antibacterial effect. Bacterial effect
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Embodiment 1
[0044] A bacteriostatic matting agent for chemical fibers comprises titanium dioxide; the titanium dioxide is covered with a chitosan layer; the chitosan layer is loaded with silver nanoparticles.
[0045] The above bacteriostatic matting agent is prepared by the following steps:
[0046] (1) 30g TiO 2 Slowly add 150 mL of deionized water, then add 0.2 mL of sodium polyacrylate solution with a mass concentration of 20 wt %, and continuously stir at a stirring speed of 400 rpm for 3 h to obtain TiO 2 Dispersions;
[0047] (2) take 4g of chitosan and add 133g of acetic acid aqueous solution with a mass concentration of 2wt%, put it into an oil bath at 60°C, and continuously stir for 4h at a stirring speed of 600rpm, adjust pH with 1mol / L ammonia solution to 4; then slowly pour the TiO prepared in step (1) into it 2 The dispersion was continuously stirred and reacted at a stirring speed of 600rpm for 3h to obtain a suspension;
[0048] (3) the suspension obtained in the step ...
Embodiment 2
[0053] A bacteriostatic matting agent for chemical fibers comprises titanium dioxide; the titanium dioxide is covered with a chitosan layer; the chitosan layer is loaded with silver nanoparticles.
[0054] The above bacteriostatic matting agent is prepared by the following steps:
[0055] (1) 20g TiO 2 Slowly add 100 mL of deionized water, then add 0.2 mL of sodium polyacrylate solution with a mass concentration of 20 wt %, and continuously stir at a stirring speed of 400 rpm for 3 h to obtain TiO 2 Dispersions;
[0056] (2) Dissolve 4g of chitosan in 133g of acetic acid aqueous solution with a mass concentration of 2wt%, put it into an oil bath at 60°C, and continuously stir for 4h at a stirring speed of 600rpm, adjust with 1mol / L ammonia solution pH to 4; then slowly pour the TiO prepared in step (1) into it 2 The dispersion was continuously stirred and reacted at a stirring speed of 600rpm for 3h to obtain a suspension;
[0057] (3) the suspension obtained in the step (...
Embodiment 3
[0062] A bacteriostatic matting agent for chemical fibers comprises titanium dioxide; the titanium dioxide is covered with a chitosan layer; the chitosan layer is loaded with silver nanoparticles.
[0063] The above bacteriostatic matting agent is prepared by the following steps:
[0064] (1) 30g TiO 2 Slowly add 150 mL of deionized water, then add 0.2 mL of sodium hexametaphosphate solution with a mass concentration of 20 wt %, and continuously stir at a stirring speed of 400 rpm for 3 h to obtain TiO 2 Dispersions;
[0065] (2) Dissolve 3g of chitosan in 100g of acetic acid aqueous solution with a mass concentration of 2wt%, put it into an oil bath at 60°C, and continuously stir for 4h at a stirring speed of 600rpm, then adjust with 1mol / L ammonia solution pH to 4; then slowly pour the TiO prepared in step (1) into it 2 The dispersion was continuously stirred and reacted at a stirring speed of 600rpm for 3h to obtain a suspension;
[0066] (3) the suspension obtained in ...
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