High strength crack resistant concrete and preparation method thereof
A concrete and high-strength technology, applied in the field of high-strength crack-resistant concrete and its preparation, can solve the problems of affecting the service life of concrete, deepening concrete cracks, reducing concrete durability, etc., to increase compactness, improve strength and impermeability, The effect of reducing porosity
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[0039] Preparation Example 1: 1. Take bentonite, sodium polyacrylate, sodium silicate and magnesium stearate with a weight ratio of 3:3:2:1 respectively, and after drying them to a moisture content of <0.2%, obtain a filling material for subsequent use;
[0040] ② Take porous zeolite and porous ceramsite, immerse them in a 3wt% hydrochloric acid solution, soak for 8 hours, wash with water, and dry at 100°C for 8 hours to obtain an activated porous framework material;
[0041] ③ Mix 20kg of activated porous skeleton material with 50kg of filler material, and stir at a speed of 1000r / min for 1 hour to obtain a porous skeleton material loaded with filler material;
[0042] ④ get 80kg polylactic acid resin, 0.3kg epoxidized soybean oil and 0.3kg phthalic anhydride, after mixing, it is warming up to 170 ℃, after making it melt, obtain coating material; Get 20kg coating material, to wherein The porous skeleton material loaded with the filler material was added, and after stirring unif...
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[0043] Preparation example 2: 1. get bentonite, sodium polyacrylate, sodium silicate and magnesium stearate with a weight ratio of 3:3:2:1 respectively, and after drying it to moisture content <0.2%, obtain a filling material for subsequent use;
[0044] ② Take the porous ceramsite, immerse it in a 4wt% hydrochloric acid solution, soak it for 9 hours, wash it with water, and dry it at a temperature of 110°C for 9 hours to obtain an activated porous skeleton material;
[0045] ③ Mix 20kg of activated porous skeleton material with 50kg of filler material, and stir at a speed of 1500r / min for 1.5h to obtain a porous skeleton material loaded with filler material;
[0046] 4. get 85kg polylactic acid resin, 0.4kg epoxidized soybean oil and 0.4kg phthalic anhydride, after mixing, it is warming up to 180 ℃, after making it melt, obtain coating material; Get 20kg coating material, to wherein The porous skeleton material loaded with the filler material was added, and after stirring uni...
Example Embodiment
[0047] Preparation Example 3: 1. get bentonite, sodium polyacrylate, sodium silicate and magnesium stearate with a weight ratio of 3:3:2:1 respectively, and after drying it to moisture content≤0.2%, obtain a filling material for subsequent use;
[0048] ② Take the porous zeolite, immerse it in a 5wt% hydrochloric acid solution, soak it for 10 hours, wash it with water, and dry it at a temperature of 120°C for 10 hours to obtain an activated porous framework material;
[0049] ③ Mix 20kg of activated porous skeleton material with 50kg of filler material, and stir at a speed of 2000r / min for 2 hours to obtain a porous skeleton material loaded with filler material;
[0050] 4. get 90kg polylactic acid resin, 0.5kg epoxidized soybean oil and 0.5kg phthalic anhydride, after mixing, it is warming up to 190 ℃, after making it melt, obtain coating material; Get 20kg coating material, to wherein The porous skeleton material loaded with the filler material was added, and after stirring ...
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