Nano zinc oxide/silver composite antibacterial agent and preparation method thereof
A technology of nano-zinc oxide and composite antibacterial agent, which is applied in the directions of plant fibers, textiles, papermaking, fiber treatment, etc., can solve the problems of polluting textiles, etc., achieves improved washing resistance, simple and easy preparation method, and is environmentally friendly and harmless Effect
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Embodiment 1
[0034] The first step: preparation of epoxidized nano zinc oxide:
[0035] Dissolving 1.000 parts by mass of nano-zinc oxide in 30.000 parts by mass of deionized water, and ultrasonicating for 10 minutes to obtain an aqueous solution of zinc oxide;
[0036] Dissolve 0.010 parts by mass of KH-560 in 20 parts by mass of deionized water and 2 parts by mass of ethanol, and pre-hydrolyze for 1 hour to obtain an aqueous solution of KH-560;
[0037] Add the nano-zinc oxide solution obtained by ultrasound into a 250mL three-necked flask, and react at a stirring speed of 30rpm at a water temperature of 85°C, then slowly add the pre-hydrolyzed KH-560 aqueous solution into the three-necked flask dropwise within 30min, dropwise After the completion of the heat preservation reaction for 1 h, and finally cooled to room temperature, a milky white suspension was obtained, that is, an aqueous solution of epoxidized nano-zinc oxide.
[0038] The second step: the preparation of nano-zinc oxide / ...
Embodiment 2
[0043] The first step: preparation of epoxidized nano zinc oxide:
[0044] Dissolving 1.000 parts by mass of nano-zinc oxide in 30.000 parts by mass of deionized water, and ultrasonicating for 10 minutes to obtain an aqueous solution of zinc oxide;
[0045] Dissolve 0.020 parts by mass of KH-560 in 20 parts by mass of deionized water and 2 parts by mass of ethanol, and pre-hydrolyze for 1 hour to obtain an aqueous solution of KH-560;
[0046] Add the nano-zinc oxide solution obtained by ultrasound into a 250mL three-necked flask, and react at a stirring speed of 30rpm at a water temperature of 85°C, then slowly add the pre-hydrolyzed KH-560 aqueous solution into the three-necked flask dropwise within 30min, dropwise After the completion of the heat preservation reaction for 1 h, and finally cooled to room temperature, a milky white suspension was obtained, that is, an aqueous solution of epoxidized nano-zinc oxide.
[0047] The second step: the preparation of nano-zinc oxide / ...
Embodiment 3
[0052] The first step: preparation of epoxidized nano zinc oxide:
[0053] Dissolving 1.000 parts by mass of nano-zinc oxide in 30.000 parts by mass of deionized water, and ultrasonicating for 10 minutes to obtain an aqueous solution of zinc oxide;
[0054] Dissolve 0.030 parts by mass of KH-560 in 20 parts by mass of deionized water and 2 parts by mass of ethanol, and pre-hydrolyze for 1 hour to obtain an aqueous solution of KH-560;
[0055] Add the nano-zinc oxide solution obtained by ultrasound into a 250mL three-necked flask, and react at a stirring speed of 30rpm at a water temperature of 85°C, then slowly add the pre-hydrolyzed KH-560 aqueous solution into the three-necked flask dropwise within 30min, dropwise After the completion of the heat preservation reaction for 1 h, and finally cooled to room temperature, a milky white suspension was obtained, that is, an aqueous solution of epoxidized nano-zinc oxide.
[0056] The second step: the preparation of nano-zinc oxide / si...
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