Method for preparing mould-proof antibacterial coating paper
An anti-mildew and antibacterial, coated paper technology, applied in coating, paper, papermaking and other directions, can solve the problems of paper separation and degradation difficulties, non-compliance with green packaging, etc.
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Embodiment example 1
[0032] a1, the TiO 2 •nH 2 The molar ratio of O and KOH is 0.4, add an appropriate amount of water, grind, then heat up to 880°C in a muffle furnace, keep warm for 2h, and slowly cool to room temperature to obtain the mesophase K 6 Ti 2 o 7 ;
[0033] a2, then the dispersed intermediate product K 6 Ti 2 o 7 Put it into a small amount of water, let it stand for 1 day, then put the obtained hydrated product into an appropriate amount of water for stirring, continuously add 0.5mol / L hydrochloric acid dropwise, and use a pH meter to control the pH value of the solution to 2.0;
[0034] a3. After the system stabilizes and reaches equilibrium, the intermediate product is filtered out with suction, washed with water until neutral and dried to constant weight to obtain the product titanic acid, and then sintered to 400°C at a speed of 10°C min-1 in a muffle furnace , keep warm for 2h, and slowly cool to room temperature to obtain the mesoporous TiO 2 ;
[0035] a4. Dissolve e...
Embodiment example 2
[0043] b1, the TiO 2 •nH 2 The molar ratio of O and KOH is 0.5, add an appropriate amount of water, grind, then heat up to 890°C in a muffle furnace, keep warm for 2h, and slowly cool to room temperature to obtain the mesophase K 6 Ti 2 o 7 ;
[0044] b2, then the dispersed intermediate product K 6 Ti 2 o 7 Put it into a small amount of water and let it stand for 1.5 days, then put the obtained hydrated product into an appropriate amount of water for stirring, continuously add 0.5mol / L hydrochloric acid dropwise, and use a pH meter to control the pH value of the solution to 2.5;
[0045] b3. After the system is stable and reaches equilibrium, the intermediate product is filtered out with suction, washed with water to neutrality and dried to constant weight to obtain the product titanic acid, and then sintered to 450°C at a speed of 10°C min-1 in a muffle furnace , keep warm for 2h, and slowly cool to room temperature to obtain the mesoporous TiO 2 ;
[0046] b4. Disso...
Embodiment example 3
[0054] c1, the TiO 2 •nH 2 The molar ratio of O and KOH is 0.6, add an appropriate amount of water, grind, then heat up to 900°C in a muffle furnace, keep warm for 2h, and slowly cool to room temperature to obtain the mesophase K 6 Ti 2 o 7 ;
[0055] c2, then the dispersed intermediate product K 6 Ti 2 o 7 Put it into a small amount of water, let it stand for 2 days, then put the obtained hydrated product into an appropriate amount of water for stirring, continuously add 0.5mol / L hydrochloric acid dropwise, and use a pH meter to control the pH value of the solution to 3.0;
[0056] c3. After the system is stable and reaches equilibrium, the intermediate product is filtered out with suction, washed with water to neutrality and dried to constant weight to obtain the product titanic acid, and then sintered to 500°C at a speed of 10°C min-1 in a muffle furnace , keep warm for 2h, and slowly cool to room temperature to obtain the mesoporous TiO 2 ;
[0057] c4. Dissolve e...
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