Composite bactericidal anti-virus anti-aging coating for helmet surface and preparation method thereof
An aging-resistant coating and anti-virus technology, applied in the field of coatings, can solve the problems of reducing the long-term antibacterial and virus-killing performance of the helmet surface coating, the surface of the coating is prone to corrosion and aging, and poor antibacterial performance, etc., to achieve prolonged sterilization Performance, improvement of durability, effect of improving scratch resistance
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Embodiment 1
[0041] First take peach gum and add it to deionized water according to the mass ratio of 1:100, stir and mix, grind and disperse through a 1000 mesh sieve, collect the sieved gel, and place the sieved gel in a dialysis bag with a molecular weight of 8000 for dialysis Processing, collection of dialysate;
[0042] Weigh 45g of copper acetate solution, 10g of dialysate, 2g of Span-80 and 10g of liquid paraffin in a homogenizer, homogenize and collect the homogenate, adjust the pH to 8.5 with 5% sodium hydroxide solution , to get a mixture;
[0043] Take acicular nano-zinc oxide particles with a diameter of 20nm and an aspect ratio of 100, and mix the acicular zinc oxide particles, the mixed solution and a glucose solution with a mass fraction of 5.6% in a mass ratio of 1:5:10 and place them at 1500r / min Centrifuge, collect the lower precipitate and wash alternately with ethanol and deionized water, collect the washed particles and dry at 55°C for 10h, grind and disperse and coll...
Embodiment 2
[0047] First take peach gum and add it to deionized water according to the mass ratio of 1:100, stir and mix, grind and disperse through a 1000 mesh sieve, collect the sieved gel, and place the sieved gel in a dialysis bag with a molecular weight of 8000 for dialysis Processing, collection of dialysate;
[0048] Weigh 47g of copper acetate solution, 12g of dialysate, 2g of Span-80 and 12g of liquid paraffin in a homogenizer, homogenize and collect the homogenate, adjust the pH to 8.5 with 5% sodium hydroxide solution , to get a mixture;
[0049] Take acicular nano-zinc oxide particles with a diameter of 20nm and an aspect ratio of 100, and mix the acicular zinc oxide particles, the mixed solution and a glucose solution with a mass fraction of 5.6% in a mass ratio of 1:5:10 and place them at 1750r / min Centrifuge, collect the lower precipitate and wash alternately with ethanol and deionized water, collect the washed particles and dry at 57°C for 11h, grind and disperse and coll...
Embodiment 3
[0053] First take peach gum and add it to deionized water according to the mass ratio of 1:100, stir and mix, grind and disperse through a 1000 mesh sieve, collect the sieved gel, and place the sieved gel in a dialysis bag with a molecular weight of 8000 for dialysis Processing, collection of dialysate;
[0054] Weigh 50g of copper acetate solution, 15g of dialysate, 3g of Span-80 and 15g of liquid paraffin in a homogenizer, homogenize and collect the homogenate, adjust the pH to 8.5 with 5% sodium hydroxide solution , to get a mixture;
[0055] Take acicular nano-zinc oxide particles with a diameter of 20nm and an aspect ratio of 100, and mix the acicular zinc oxide particles, the mixed solution and a glucose solution with a mass fraction of 5.6% in a mass ratio of 1:5:10 and place them at 2000r / min Centrifuge, collect the lower precipitate and wash alternately with ethanol and deionized water, collect the washed particles and dry at 60°C for 12 hours, grind and disperse and...
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