Super-hydrophobic modification method of mineral admixtures
A technology of mineral admixture and super-hydrophobic modification, applied in the field of super-hydrophobic modification of mineral admixture, can solve the problems of concrete cracking, steel bar corrosion, damage, etc., to increase the contact angle, increase the dispersibility, improve the The effect of durability
Active Publication Date: 2018-08-21
YELLOW RIVER ENG CONSULTING
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Abstract
The invention discloses a super-hydrophobic modification method of mineral admixtures. The super-hydrophobic modification method comprises the following steps: firstly crushing fly ash, granulated blast furnace slag powder, limestone powder and other mineral admixtures to obtain a powder material with a particle size of 100-20000 meshes; adding the powder material in ethanol for ultrasonic dispersion treatment, then sequentially dropwise adding water and a coupling agent and uniformly stirring; finally adding cyclohexane and n-butanol mixed liquid, then dropwise adding an appropriate amount ofsilicon oil modifiers, fully and uniformly stirring, drying treatment and grinding to a certain fineness. The super-hydrophobic modification method disclosed by the invention is simple and easy to operate; the fly ash, the granulated blast furnace slag powder and the limestone powder used in raw materials are several kinds of industrial waste residues with larger emission in China; through the super-hydrophobic modification method disclosed by the invention, the high-level comprehensive utilization of the waste residues is realized, a value added is improved, wastes are changed into valuables, and the regeneration of resources is realized while the environmental pollution is eliminated.
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Industrial wasteToxic industrial waste +11
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