A kind of environment-friendly composite mineral insulation board and its preparation process
A composite mineral and insulation board technology, applied in the field of building materials, can solve the problems of poor comprehensive performance and the weight of insulation boards, and achieve the effects of improving strength, improving reflectivity, and increasing dispersion
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Embodiment 1
[0040] 1. Take 40 parts of montmorillonite with a particle size of 100-120µm and 15 parts of nano-titanium dioxide particles with a particle size of 15-20nm and mix them evenly in a high-speed mixer, add 500 parts of CTAB aqueous solution (the mass concentration of CTAB is 10%) After stirring evenly, add 15 parts of titanium tetrachloride (CAS7550-45-0, AR, purchased from Aladdin, product number T104376) to obtain suspension A; add ammonia water with a mass concentration of 20% to suspension A , adjust the pH to 8, and react under stirring conditions. After the reaction is completed, a suspension B is obtained; the suspension B is centrifuged to obtain a sediment, and water is added to the sediment to repeat the centrifugation process several times, and the sediment is cleaned until The pH was 7; then the precipitate was dispersed in water, 40 parts of hydrogen peroxide with a mass concentration of 35% was added for oxidation reaction, and a composite hydrogel was obtained afte...
Embodiment 2
[0044] 1. Take 40 parts of montmorillonite with a particle size of 50-60µm and 15 parts of nano-titanium dioxide particles with a particle size of 15-20nm and mix them evenly in a high-speed mixer, add 500 parts of CTAB aqueous solution (the mass concentration of CTAB is 10%) After stirring evenly, add 15 parts of titanium tetrachloride (CAS7550-45-0, AR, purchased from Aladdin, product number T104376) to obtain suspension A; add ammonia water with a mass concentration of 20% to suspension A , adjust the pH to 8, and react under stirring conditions. After the reaction is completed, a suspension B is obtained; the suspension B is centrifuged to obtain a sediment, and water is added to the sediment to repeat the centrifugation process several times, and the sediment is cleaned until The pH was 7; then the precipitate was dispersed in water, 40 parts of hydrogen peroxide with a mass concentration of 35% was added for oxidation reaction, and a composite hydrogel was obtained after ...
Embodiment 3
[0048] 1. Take 40 parts of montmorillonite with a particle size of 100-120µm and 15 parts of nano-titanium dioxide particles with a particle size of 5-10nm and mix them evenly in a high-speed mixer, add 500 parts of CTAB aqueous solution (the mass concentration of CTAB is 10%) After stirring evenly, add 15 parts of titanium tetrachloride (CAS7550-45-0, AR, purchased from Aladdin, product number T104376) to obtain suspension A; add ammonia water with a mass concentration of 20% to suspension A , adjust the pH to 8, and react under stirring conditions. After the reaction is completed, a suspension B is obtained; the suspension B is centrifuged to obtain a sediment, and water is added to the sediment to repeat the centrifugation process several times, and the sediment is cleaned until The pH was 7; then the precipitate was dispersed in water, 40 parts of hydrogen peroxide with a mass concentration of 35% was added for oxidation reaction, and a composite hydrogel was obtained after...
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