A kind of processing method of long-acting mildew-resistant and wear-resistant bamboo
A processing method and bamboo technology, which can be used in wood processing utensils, wood impregnation, manufacturing tools, etc., can solve the problems of poor dispersion ability of inorganic nanoparticles, many reaction steps, unfriendly environment, etc. Operation, effect of long-lasting antibacterial properties
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Embodiment 1
[0033] (1) Bamboo drying: Take moso bamboo as an example, first process it into bamboo blocks with a thickness of 20mm*20mm*6mm, and dry the bamboo to a moisture content of less than 5%;
[0034] (2) Preparation of nanoparticles: Take 0.6g cetyltrimethylammonium bromide and 1.8mL (2mol / L) NaOH solution and disperse it in 300mL deionized water, add 1.8mL (1mol / L) formaldehyde solution and heat Stir for 5-20min, then add 6mL of AgNO dropwise 3 (0.1mol / L) solution, 3.2mL tetraethyl orthosilicate and 12mL ethyl acetate, aged at 80°C for 2h, centrifuged and washed repeatedly, dried for later use;
[0035] (3) Nanoparticles are miscible in oil: 1g of core-shell SiO 2 @Ag nanoparticles were added to 100g tung oil, and ball milled at 400rpm for 5h by physical method of planetary ball mill;
[0036] (4) Impregnation treatment: completely immerse the bamboo in SiO 2 @Ag-tung oil mixed solution, under normal temperature environment, vacuum impregnation for 3h;
[0037] (5) Surface tr...
Embodiment 2
[0040] (1) Bamboo drying: Take moso bamboo as an example, first process it into bamboo blocks with a thickness of 20mm*20mm*6mm, and dry the bamboo to a moisture content of less than 5%;
[0041] (2) Preparation of nanoparticles: Take 0.6g cetyltrimethylammonium bromide and 1.8mL (2mol / L) NaOH solution and disperse it in 300mL deionized water, add 1.8mL (1mol / L) formaldehyde solution and heat Stir for 5-20min, then add 6mL of AgNO dropwise 3 (0.1mol / L) solution, 3.2mL tetraethyl orthosilicate and 12mL ethyl acetate, aged at 80°C for 2h, centrifuged and washed repeatedly, dried for later use;
[0042] (3) Nanoparticles are miscible in oil: 5g of core-shell structure SiO 2 @Ag nanoparticles were added to 100g tung oil, and ball milled at 400rpm for 5h by physical method of planetary ball mill;
[0043] (4) Impregnation treatment: completely immerse the bamboo in SiO 2 @Ag-tung oil mixed solution, under normal temperature environment, vacuum impregnation for 3h;
[0044] (5) ...
Embodiment 3
[0047] (1) Bamboo drying: Take moso bamboo as an example, first process it into bamboo blocks with a thickness of 20mm*20mm*6mm, and dry the bamboo to a moisture content of less than 5%;
[0048] (2) Preparation of nanoparticles: Take 0.6g cetyltrimethylammonium bromide and 1.8mL (2mol / L) NaOH solution and disperse it in 300mL deionized water, add 1.8mL (1mol / L) formaldehyde solution and heat Stir for 5-20min, then add 6mL of AgNO dropwise 3 (0.1mol / L) solution, 3.2mL tetraethyl orthosilicate and 12mL ethyl acetate, aged at 80°C for 2h, centrifuged and washed repeatedly, dried for later use;
[0049] (3) Nanoparticles are miscible in oil: 10g of core-shell structure SiO 2 @Ag nanoparticles were added to 100g tung oil, and ball milled at 400rpm for 5h by physical method of planetary ball mill;
[0050] (4) Impregnation treatment: completely immerse the bamboo in SiO 2 @Ag-tung oil mixed solution, under normal temperature environment, vacuum impregnation for 3h;
[0051] (5)...
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