Waterproof paint

Abstract

The invention discloses a waterproof paint. The raw materials are, by weight, 10-35 parts of alpha-dimethoxy silane terminated polyether resins, 5-25 parts of gamma-trimethoxy silane terminated polyether resins, 10-30 parts of triethoxy silane, 20-50 parts of filling materials, 1-5 parts of pigments, 0.1-1 part of hydrophobic gas-phase silica, 0.1-1 part of ultraviolet absorbents, 0.1-1 part of light stabilizers, 0.1-1 part of antioxidants, 0.2-5 parts of dehydrating agents and 0.1-3 parts of adhesion promoters. The waterproof paint is environmentally friendly and non-poisonous, has excellent mechanical properties, waterproof performance and anticorrosion performance, and has good adhesion with oil paint, steel, concrete and the like. In addition, inorganic flame retardants of aluminum hydroxide or magnesium hydroxide can be added, thus the waterproof paint has good flame retardant effects, and the application range of the waterproof paint is further widened.

Description

technical field [0001] The invention relates to an architectural coating, in particular to a waterproof coating, which belongs to the technical field of architectural coatings. Background technique [0002] The main purpose of using waterproof coatings for buildings and other components is to prevent moisture, seepage, and leaks. my country's investment in waterproof coatings for construction projects is increasing every year. Although a lot of investment has been made in waterproofing projects, the waterproofing effect is not satisfactory. The leakage rate of new construction projects is about 10%. [0003] The waterproof paint is painted on the surface of the building, and a thin film is formed after the chemical reaction between the components, which isolates the surface of the building from water, thus playing the role of waterproof and sealing. The waterproof film formed after the waterproof coating is cured should have certain extensibility, elastic-plasticity, crack ...

AI Technical Summary

Problems solved by technology

Among them, asphalt-based waterproof coatings have poor low-temperature flexibility and crack resistance, so they have been basically eliminated; polymeric asphalt-based waterproof coatings have greater environmental pollution, unstable quality, and average mechanical properties, waterproof performance and durability. , can only be used for waterproof projects with low requirements; polymer cement waterproof coatings have the extensibility and waterproofness of polymer coatings, and also have the advantages of high strength of hydraulic cementitious materials and easy bonding with wet bases. , has been successfully applied in some projects, but there are shortcomings such as insufficient bridging ability for cracks and too long complete curing time, which limits the scope of application; silicone waterproof coatings have disadvantages such as poor hardness, high viscosity, and contamination of the surface of the substrate ;Polyurethane waterproof coatings are elastic coatings with excellent mechanical properties and good flexibility. It cannot be applied in the field; polyurea waterproof coating has many advantages, but due to its extremely fast curing speed, it is difficult to achieve good mixing and atomization during construction, and technical defects such as pinholes will appear if there is a slight improper operation. The operating level of construction workers and the strong dependence on special equipment limit its application and promotion

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