Environment-friendly flame-retardant anticorrosive paint based on polyurethane and preparation method of paint

Abstract

The invention discloses polyurethane-based environment-friendly flame-retardant anticorrosive paint and a preparation method of the paint. The polyurethane-based environment-friendly flame-retardant anticorrosive paint is prepared from the following raw materials in parts by weight: 60 to 70 parts of polyurethane, 30 to 40 parts of epoxy resin, 5 to 10 parts of pigment, 20 to 35 parts of solvent, 3 to 8 parts of mica powder, 4 to 7 parts of polyethylene polyamine, 3 to 8 parts of aliphatic dibasic acid ester, 20 to 30 parts of graphene and 2 to 4 parts of additive. Polyurethane has good stability, chemical resistance, rebound resilience and mechanical properties, has smaller compression deformation, and has good heat insulation and anti-poison properties, so that the flame retardance and corrosion resistance of the paint can be improved. The paint is environment-friendly, safe, good in flame retardant effect, capable of avoiding damage of a high-temperature environment, capable of protecting coated objects and avoiding corrosion of the coated objects, compact in coating layer and good in protection effect.

Description

technical field [0001] The invention relates to the technical field of anti-corrosion coatings, in particular to a polyurethane-based environmentally friendly flame-retardant anti-corrosion coating and a preparation method thereof. Background technique [0002] So far, there are many types of anti-corrosion coatings, mainly including alkyd, acrylic, epoxy and polyurethane, etc. Most of the anti-corrosion coatings are solvent-based coatings, which contain benzene solvent, which is toxic and not environmentally friendly. However, water-based coatings use water instead of traditional solvents. Although they have the advantages of safety, environmental protection, and pollution-free, due to the short development time of water-based coatings in China and the lack of research and development and human resources in related fields, the performance of ordinary water-based coatings is far from being achieved. The performance requirements of solvent-based anti-corrosion coatings are di...

AI Technical Summary

Problems solved by technology

[0002] So far, there are many types of anti-corrosion coatings, mainly including alkyd, acrylic, epoxy and polyurethane, etc. Most anti-corrosion coatings are solvent-based coatings, which contain benzene solvents, which are toxic and not environmentally friendly

However, water-based coatings use water instead of traditional solvents. Although they have the advantages of safety, environmental protection, and pollution-free, due to the short development time of water-based coatings in China and the lack of research and development and human resources in related fields, the performance of ordinary water-based coatings is far from being achieved. The performance requirements of solvent-based anti-corrosion coatings are difficult to meet the actual needs