Modified epoxy acrylate resin weather-proof exterior wall coating

Abstract

The invention discloses a modified epoxy acrylate resin weather-proof exterior wall coating, which comprises raw materials with part by weight: modified epoxy acrylate resins 78 parts, polystyrene rubbers 41 parts, mica powder 7.5 parts, nanometer titanium dioxide 5.5 parts, nanometer magnesium hydroxide 3 parts, organophilic bentonite 2.5 parts, nanometer sea-foam stone powder 2 parts, diatomaceous earth 5.5 parts, talcum powder 6 parts, modified attapulgite 4 parts, titanate coupling agents 3 parts, styrene-acrylic emulsions 18 parts, chlorinated paraffin 2 parts, ethylene glycol 3.5 parts, 2,2,4-Trimethyl-1,3-pentanediolmono(2-methylpropanoate) 6 parts, sodium tripolyphosphate 4.5 parts, butyl acrylate resins 3.5 parts, ammonium dihydrogen phosphate 2 parts, diphenylamine 6 parts, deionized water 36 parts, carbamide 14 parts, polyacrylamide 9 parts, propylene glycol methyl ether acetate 6 parts, polyether modified polyester organic siloxane 5 parts and antioxidant trinitrophenyl groups (TNP) 7.5 parts. The modified epoxy acrylate resin weather-proof exterior wall coating has excellent water resistance, cohesive property and weather-proof performance.

Description

technical field [0001] The invention relates to the field of coatings, in particular to a modified epoxy acrylic resin weather-resistant exterior wall coating. Background technique [0002] In recent years, water-based, environmentally friendly, multi-functional and high-performance have become the development trend of building exterior wall coatings. With the improvement of people's living standards, the functions of exterior wall coatings such as waterproof, mildew proof, and insect resistance have gradually become popular among the public. Therefore, higher requirements are put forward for the decorative effect of coatings. External wall coatings require water resistance, self-cleaning properties, hard and smooth paint films, and dirt will fall off as soon as they are washed. [0003] At present, the exterior wall coatings used in my country are mainly based on acrylic emulsion. Water-based acrylic coatings have the advantages of moderate cost, excellent weather resistanc...

AI Technical Summary

Problems solved by technology

[0004] However, the acrylic paints currently on the domestic market have disadvantages such as low gloss, poor adhesion, poor cold resistance, intolerant to water, water vapor, acid and alkali, salt solutions and organic polar solvents, poor elasticity at room temperature, and poor wear resistance. High temperature is easy to stick back, low temperature is easy to be brittle, resulting in easy cracking and peeling of the paint, and rainwater is easy to penetrate into the wall and corrode the wall, which not only affects the decoration of the building, but also reduces the service life of the building