Preparation method of beer bottle sterilizing cleaner based on microcrystalline cellulose/silver composite material
A technology of microcrystalline cellulose and composite materials, which is applied in the field of cleaning agents, can solve the problems of inability to eliminate bacteria in beer bottles, poor hygienic effects of beer bottles, poor anti-dirt redeposition ability, and influence on dirt cleaning ability, etc., to achieve easy rinsing and removal Dirt, strong descaling ability, good dirt cleaning effect
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[0019] Preparation method based on microcrystalline cellulose / silver composite material beer bottle sterilizing cleaner, comprising the following steps:
[0020] (1) First add microcrystalline cellulose to sodium citrate buffer and disperse evenly to obtain microcrystalline cellulose suspension, then add a certain amount of cellulase to enzymatically react at 50-60°C for 24-48h, and obtain after centrifugation Nano microcrystalline cellulose suspension;
[0021] (2) The nano-microcrystalline cellulose suspension is mixed with the silver nitrate solution in a volume ratio (1-2): (0.5-1) to obtain a mixed solution, and then the mixed solution is mixed with the 20-30 times the liquid volume of deionized water is added to the reaction kettle and reacted at 120-130 ° C for 1-2 hours, and after cooling, a nano-microcrystalline cellulose suspension loaded with nano-silver is obtained;
[0022] (3) 0.3-0.5 parts by weight of sodium hydroxide, 0.1-0.15 parts by weight of sodium carbon...
Embodiment 1
[0028] Preparation method based on microcrystalline cellulose / silver composite material beer bottle sterilizing cleaner, comprising the following steps:
[0029] (1) Add microcrystalline cellulose to sodium citrate buffer to disperse evenly to obtain microcrystalline cellulose suspension, then add a certain amount of cellulase to enzymatically react at 50°C for 24 hours, and obtain nano-microcrystalline fibers after centrifugation Suspension;
[0030] (2) Mix the nano-microcrystalline cellulose suspension and silver nitrate solution at a volume ratio of 1:0.5 to obtain a mixed solution, and then mix the mixed solution with deionized water equivalent to 20 times the volume of the mixed solution Add them together to the reaction kettle and react at 120°C for 1 hour, and obtain nano-microcrystalline cellulose suspension loaded with nano-silver after cooling;
[0031] (3) First mix 0.3 parts by weight of sodium hydroxide, 0.1 parts by weight of sodium carbonate, 0.3 parts by weig...
Embodiment 2
[0037] Preparation method based on microcrystalline cellulose / silver composite material beer bottle sterilizing cleaner, comprising the following steps:
[0038] (1) First add microcrystalline cellulose to sodium citrate buffer and disperse evenly to obtain microcrystalline cellulose suspension, then add a certain amount of cellulase to enzymatically react at 60°C for 24 hours, and obtain nano-microcrystalline fibers after centrifugation Suspension;
[0039] (2) The nano-microcrystalline cellulose suspension and the silver nitrate solution are mixed uniformly at a volume ratio of 2:1 to obtain a mixed solution, and then the mixed solution is mixed with deionized water equivalent to 27 times the volume of the mixed solution Add them together to the reaction kettle and react at 124°C for 2 hours, and obtain nano-microcrystalline cellulose suspension loaded with nano-silver after cooling;
[0040] (3) First mix 0.5 parts by weight of sodium hydroxide, 0.15 parts by weight of sod...
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