A kind of water-based glass paint and preparation method thereof

Abstract

The invention discloses a waterborne glass paint and a preparation method of the paint. The waterborne glass paint comprises the following raw materials in parts by weight: 55-65 parts of waterborne polyurethane resin, 8-12 parts of modified epoxy resin, 1-3 parts of dipropylene glycol mono butyl ether, 10-15 parts of pure water, 0.4-0.6 part of guar gum, 0.2-0.4 part of defoamer dimethyl silicone oil, 0.2-0.6 part of dioctyl sodium sulfosuccinate, 0.3-0.5 part of aluminium oxide, 0.2-0.4 part of accelerator TMTM, 0.3-0.5 part of flatting agent, 0.3-0.6 part of polyoxyethylene, 0.8-1.2 parts of waterborne silane coupling agent KH4600 and 0.1 part of dibutyl maleate. The waterborne glass paint produced by the method disclosed by the invention is free from bubbles, aggregation, foreign matters, and sediment stratification phenomenon, and can be infinitely diluted by using water, is reduced in cost and environment-friendly; a paint film is very strong in cohesive force and adhesive force and is strong in wear resistance at normal temperature; thermal expansion coefficient of the added modified epoxy resin is small so that adhesive attraction of the paint film is enhanced; and the adhesive force of the paint film is further enhanced by the added waterborne silane coupling agent.

Description

technical field [0001] The invention mainly relates to a paint and a preparation method thereof, in particular to a water-based glass paint and a preparation method thereof. Background technique [0002] As a functional and environmentally friendly water-based paint, water-based glass paint has the advantages of obvious decorative effect, colorful paint film, and easy cleaning. Water-based glass paint has poor solvent permeability, poor wettability of water-based paint to glass, and high surface finish of the substrate, which makes it difficult for water-based paint to adhere well to glass equipment, which seriously hinders the development of glass paint. The types of water-based glass paint mainly include polyurethane water dispersion system, water-soluble polyacrylic resin type, and acrylate-modified polyurethane type. The main problems are poor adhesion, poor chemical resistance, poor solvent resistance, and poor water boiling resistance. Contents of the invention [0...

AI Technical Summary

Problems solved by technology

[0002] As a functional and environmentally friendly water-based paint, water-based glass paint has the advantages of obvious decorative effect, colorful paint film, and easy cleaning. Water-based glass paint has poor solvent permeability, poor wettability of water-based paint to glass, and high surface finish of the substrate, which makes it difficult for water-based paint to adhere well to glass equipment, which seriously hinders the development of glass paint. The types of water-based glass paint mainly include polyurethane water dispersion system, water-soluble polyacrylic resin type, and acrylate-modified polyurethane type. The main problems are poor adhesion, poor chemical resistance, poor solvent resistance, and poor water boiling resistance.