Nanometer material modified bi-component aqueous epoxy anticorrosive paint and manufacturing method thereof

Abstract

The invention relates to a nanometer material modified bi-component aqueous epoxy anticorrosive paint which is characterized in comprising the following components in parts by weight: 30-50 parts of aqueous epoxy emulsion, 10-20 parts of low-lead zinc phosphate, 10-20 parts of aluminium trippolyhosphate, 5-15 parts of talcum powder, 5-10 parts of titanium white, 3-6 parts of mica powder, 0.3-1.0 part of dispersing agent, 0.5-1.0 part of water resistant dispersing agent, 0.5-1.0 part of aqueous bentonite, 3-5 parts of nanometer SiO2, 0.3-0.6 part of flash-rust resistant agent and 10-15 parts of aqueous epoxy curing agent. The preparation method is as follows: nanometer SiO2 is pre-dispersed into dispersed pulp by the dispersing agent; the raw materials are successively added into a stirring container to be evenly stirred; then the obtained mixture is dispersed at high speed and ground into fineness of 35 micrometers; and the residual aqueous epoxy emulsion and other raw materials are added to be evenly stirred. The invention has the beneficial effects that the invention has excellent adhesive force, covering power, water resistance, resistance to salt water, decoration, stability and construction application and resists salt mist for 500 hours.

Description

Technical field [0001] The present invention belongs to the coatings and especially involves a modified dual -group water -split oxygen anticorrosive paint and its production method. Background technique [0002] Ordinary solvent rust -proof paint and water -based rust -proof paint can meet the requirements of general industrial rust -proof, that is, better physical and chemical performance, salt resistance reaches 24-120 hours, but the requirements for salt tolerance are higher (such as salt resistance 500 500Hours) and heavy metal content meet the performance of national compulsory standard limits, and ordinary solvent -proof anti -rust paint and water rust -proof paint cannot meet the requirements.The composition of ordinary water-based rust-resistant paint is generally composed of acrylic emulsion, rust-proof pigment, fillers, and auxiliary agents. 3%saline is 1-7 days, and salt-resistant fog reaches 100-240 hours.However, the selected resin is chemical to resist. The genera...

AI Technical Summary

Problems solved by technology

However, the chemical resistance of the selected resin is average, and the lead content of anti-rust pigments generally exceeds the standard, so that the lead content of ordinary water-based anti-rust paint is much greater than ≥ 90㎎ / ㎏

Ordinary solvent-based antirust paint has high VOC content, solvent volatilization pollutes the environment, is flammable, and is not suitable for open dip coating construction.