Waterproof coating material resistant to acid rain scouring

Abstract

The invention discloses a waterproof coating material resistant to acid rain scouring. The waterproof coating material is prepared from the following raw materials in parts by weight: 5-10 parts of polyurethane acrylate resin, 2.3-4.4 parts of silane coupling agent, 3-7 parts of polyethersulfone, 2.3-3.6 parts of tourmaline powder, 1.1-2.3 parts of zinc chromate, 1.5-2.8 parts of sodium pentachlorophenate, 2.3-3.6 parts of N-alkyl sarcosinate and 0.9-1.8 parts of fatty-acid polyoxyethylene ester. Compared with the existing waterproof coating materials, the waterproof coating material has the advantages that the water resistance and waterproofing performance are higher, the tensile strength is high, the waterproof coating material is healthy and environmental-friendly, the environmental pollution is reduced, and wall body flaking caused by rainwater scouring can not occur during long-time use; the waterproof coating material can prevent acid rain scouring, and a coated film can not flake off after the coated film is subjected to rainwater scouring, so that the probability that loss is caused due to the fact that rainwater penetrates into wall faces and corrodes the wall faces is reduced.

Description

technical field [0001] The invention relates to a waterproof coating against acid rain erosion, which belongs to the field of building materials. Background technique [0002] At present, traditional paints are widely used in the decoration of building walls. Most of the paints are limited to high elasticity, poor water resistance and water resistance, low tensile strength, and general adhesion. Therefore, it is generally only used for interior decoration. Nowadays, people pay more and more attention to the living environment, so the outdoor decoration is getting more and more attention. But outdoors are different from indoors. Environmental pollution is getting more and more serious. The rainwater outside is acid rain, so waterproofing alone is not enough. It is also necessary to prevent rain from acidifying the coating. Otherwise, the paint film will be damaged after being washed by rainwater. If the whole peels off, the rainwater will seep into the wall, corrode the wal...

AI Technical Summary

Problems solved by technology

However, outdoors are different from indoors. The environmental pollution is getting more and more serious. The rainwater outside is acid rain, so it is not enough to be waterproof, and it must be able to prevent the rain from acidifying the coating. Otherwise, the paint film will be damaged after being washed by rainwater. If the whole peels off, rainwater will seep into the wall, corrode the wall, and cause damage