Preparation method for architectural glass heat insulation coating

Abstract

The invention provides a preparation method for an architectural glass heat insulation coating. The preparation method includes the steps that ATO nanometer powder, lecithin, triethoxy-1H,1H,2H,2H-tridecafluoro-n-octylsilane and dioctyl sodium sulfosuccinate are added into deionized water and stirred, then silicon carbide whiskers are added, a sodium hydroxide solution with the mass concentration of 1% is dripped on the stirring condition, stirring continues to be carried out until no precipitation is generated, and precipitation is filtered, washed with deionized water and dried to obtain heat insulation powder; the heat insulation powder, SiO2 particles and a silane coupling agent KH-570 are mixed, and the mixture is ground on a ball grinder to obtain functional powder; the functional powder, polytetrafluoroethylene wax powder, perchlorovinyl resin, zinc phosphate, polyacrylamide, mannitol, chitosan, an uvioresistant agent and an antioxidant are mixed and stirred to obtain the architectural glass heat insulation coating. The coating has excellent weather resistance, chemical resistance, waterproof performance and hardness performance.

Description

technical field [0001] The invention belongs to the technical field of coatings, and in particular relates to a preparation method of heat-insulating coatings for architectural glass. Background technique [0002] Among the four enclosure components of doors, windows, walls, roof, and ground that affect building energy consumption, doors and windows have the worst thermal insulation performance, which is one of the important factors affecting indoor thermal environment comfort and building energy consumption. The ratio of glass to window area varies depending on the window frame material, but with the widespread use of glass curtain walls in public buildings and indoor large-area floor-to-ceiling windows in residential buildings, the glass area to window area is becoming larger and larger, The thermal performance of glass affects the thermal performance of the entire window to a large extent, and has a great impact on the comfort of the indoor human body. Ordinary single-la...

AI Technical Summary

Problems solved by technology

[0003] At present, there are mainly four prominent problems in the following four aspects of architectural glass thermal insulation coatings: (1) the slurry dispersion method is relatively single, and the dispersion stability is poor; It is difficult to balance physical performance and safety and environmental protection at the same time, and there is a lack of comprehensive data under the light-heat balance index (the ratio of visible light transmittance to shading coefficient); (3) There are few studies on anti-aging and anti-ultraviolet properties and the anti-aging time is short; (4) There are few studies on the specific thermal insulation effect and quantitative indicators of thermal insulation coatings for architectural glass, lack of clear and comprehensive thermal experiments with thermal parameter settings, and lack of specific thermal parameters and parameter ranges for coated thermal insulation glass