Anti-leakage repair-enhanced building coating

Abstract

The invention relates to an anti-leakage repair-enhanced building coating which is prepared by adopting the following steps of: mixing and uniformly stirring 30-42 percent of 800-mesh silicate dry powder, 1-2 percent of KFA, 1-2 percent of plasticizer, 1-2 percent of air entraining agent and 54-65 percent of 20-40-mesh quartz sand to prepare a mixture; then adding water accounting for 15-25 percent of the gross weight into the mixture, uniformly stirring, and settling for 30 minutes to prepare the anti-leakage repair-enhanced building coating. The anti-leakage repair-enhanced building coating has the advantages of stronger coagulability, cementability, anticorrosive property, excellent anti-leakage performance, simple construction, advanced process and strong freezing and thawing resistance, is particularly suitable for being used in extremely cold regions and can be used for the leak stoppage, the seepage prevention, the reinforcement and the corrosion prevention of roads, bridges, oceans, sewage treatment and concrete structures, such as tunnels, large reservoir dams, and the like without other various additives, thereby lowering the cost of the additives and the construction difficulty, improving the engineering quality and the use durability of concrete and avoiding the mutual exclusive reaction.

Description

technical field [0001] The invention belongs to chemical coatings, in particular to an anti-leakage enhanced repair architectural coating. Background technique [0002] The leakage of buildings is a common technical problem at present. It not only affects the life of the building, but also affects the personal safety of users. The leakage of most buildings is mainly due to the thermal expansion and contraction of the concrete structure. When the temperature drops below zero, the water will freeze and its volume will expand by about 90%, which will directly extrude the material, causing the surface layer of the material to be denuded; at the same time, due to the internal extrusion , to generate stress inside the material, thereby triggering cracks, or causing cracks to expand further, this phenomenon is called freezing erosion. The greater the porosity of the material, the more cracks, the greater the water content and the lower the humidity, the more severe the frost erosi...

AI Technical Summary

Problems solved by technology

At present, the main types of waterproof coatings used at home and abroad are organic polymer modified asphalt and acrylic acid-based waterproof coatings, while modified asphalt has poor ductility and is easy to break, while acrylic polymer waterproof coatings Also, the elongation rate is low, and the above two types of waterproof coatings all have the problems of adhesion, poor weather resistance, and low elongation rate, which cannot completely solve the problem of building anti-leakage