Impact-resistant rust-proof heat-resistant coating for building steel

Abstract

The invention discloses an impact-resistant rust-proof heat-resistant coating for building steel. The impact-resistant rust-proof heat-resistant coating comprises, by weight parts, 74 parts of modified epoxy acrylate resin, 29 parts of chlorosulfonated polyethylene, 25 parts of melamine formaldehyde resin, 6 parts of methyl hydroxyethyl cellulose, 3 parts of sodium hexametaphosphate, 4 parts of nano-titanium dioxide, 3 parts of nano-magnesium hydroxide, 4 parts of organic bentonite, 2 parts of nano-sepiolite powder, 3 parts of diatomaceous earth, 4 parts of talc powder, 2 parts of modified attapulgite, 3 parts of titanate coupling agents, 3.5 parts of chlorinated paraffin, 9 parts of ethyl acetate, 4 parts of citroflex, 2 parts of zinc oxide, 4 parts of zinc borate, 5.5 parts of antimony trioxide, 2.5 parts of melamine phosphate, 4 parts of polypropylene glycol, 4 parts of curing agents, 6.5 parts of leveling agents, 7.5 parts of mould inhibitor, 6 parts of pigment and 42 parts of solvents. The impact-resistant rust-proof heat-resistant coating for building steel has good impact resistance, rust resistance and heat resistance.

Description

technical field [0001] The invention relates to the field of coatings, in particular to an impact-resistant, anti-rust, heat-resistant coating for building steel. Background technique [0002] Acrylic resin is a general term for homopolymeric copolymers of acrylic acid, methacrylic acid and their esters or derivatives. It has low toxicity, light color, good film-forming property, yellowing resistance, but poor water resistance and slow curing rate at room temperature. And due to the lack of cross-linking points on its linear molecules, it is difficult to form a three-dimensional network structure, so the coating has low hardness and is easily scratched. The molecular structure of epoxy resin contains active groups such as epoxy groups, hydroxyl groups, ether bonds, etc. After crosslinking, it has good adhesion to the substrate, high film forming hardness, good sealing performance, and easy processing and molding. Through ring-opening esterification, the epoxy group in the ...

AI Technical Summary

Problems solved by technology

It has low toxicity, light color, good film-forming property, yellowing resistance, but poor water resistance and slow curing rate at room temperature

And due to the lack of cross-linking points on its linear molecules, it is difficult to form a three-dimensional network structure, so the coating has low hardness and is easily scratched