Thermal insulating coating and preparation method thereof

Abstract

The invention relates to a thermal insulating coating and a preparation method thereof, and belongs to the technical field of coating. The thermal insulating coating comprises the following components in parts by weight: 20-40 parts of inorganic nano ceramic powder, 10-30 parts of nano ceramic pulp, 30-50 parts of a cosolvent and 10-30 parts of water, wherein the inorganic nano ceramic powder is composed of silicon oxide, titanium oxide and cyanide-free gold nickel alloy plating electroplate liquid. The preparation method comprises the following steps of adding the cosolvent and water into a reaction kettle according to the proportion, mixing uniformly, adding the inorganic nano ceramic powder and the nano ceramic pulp into the reaction kettle according to the proportion, mixing uniformly, stirring for 30-60min with the rotation speed of 100-300rpm, so as to obtain the thermal insulating coating. The thermal insulating coating has high rigidity and excellent weather resistance, can effectively insulate most sunshine radiation heat, so as to save energy and protect the environment; meanwhile, the preparation method is simple and available, the normal-temperature operation is possible, the preparation efficiency is high, the drying speed is high, and the good economic benefit is brought.

Description

technical field [0001] The invention relates to a heat-insulating coating and a preparation method thereof, which belongs to the technical field of coatings, and is mainly suitable for glass coating on building exterior walls, ceilings, automobiles, airplanes, ships, display refrigerators, etc., and achieves the purpose of energy saving and environmental protection. Background technique [0002] With the rapid development of science and technology and society, and the increasingly tense energy resources, my country has formulated a low-carbon economic development model based on low energy consumption, low pollution, and low emissions, thus putting forward higher requirements for energy conservation and environmental protection. The glass widely used in building exterior walls, ceilings, automobiles, airplanes, ships, display refrigerators, etc., because ordinary glass is not selective for the transmission of sunlight, while there is sufficient visible light to pass through, i...

AI Technical Summary

Problems solved by technology

Due to direct sunlight and ultraviolet rays, it is prone to aging, yellowing, and chalking during later use, so its weather resistance, chemical resistance, water resistance, and hardness are not ideal. For example, when cleaning glass, wipe it with a rough object , will cause paint film scratches, scratches, etc.

[0004] Chinese Patent No.: CN1563231A discloses a nano-transparent heat-insulating composite coating. The composite coating is composed of polymer resin, nano-wet slurry, coating additives, and thinner. The coating has good transparency and heat-insulating effect, and can save energy. The effect of reducing consumption, but the durability of weather resistance is poor, and its hardness can only reach H level. Long-term use is prone to scratches and cracks, which will affect its heat insulation and energy saving effect

Chinese patent number: CN102477230A discloses a high-hardness one-component transparent heat-insulating coating for glass, with a hardness of up to 6H, which solves the problem of easy scratches, but the visible light transmission effect is general, and the preparation time is long, which affects the efficiency