Preparation method for micaceous iron oxide modified antirust waterproof anti-wear phenolic resin paint

Abstract

The invention discloses a preparation method for micaceous iron oxide modified antirust waterproof anti-wear phenolic resin paint. The preparation method is characterized by comprising the following steps: mixing talcum powder, zinc phosphate and aluminum tripolyphosphate, adding a dispersant, a titanate coupling agent and deionized water, carrying out dispersing and grinding so as to obtain a pigment slurry; drying nanometer silicon dioxide, then mixing the dried nanometer silicon dioxide with polyethylene glycol and toluene, and carrying out a reflux reaction under heating so as to obtain polyethylene glycol grafted modified nanoparticles; adding toluene into micaceous iron oxide, carrying out ultrasonic stirring so as to obtain a component A, uniformly mixing toluene diisocyanate, dibutyltin dilaurate and toluene, dropwise adding an obtained mixture into the component A, carrying out a reaction under stirring, and carrying out a reaction under heating so as to obtain a toluene diisocyanate modified micaceous iron oxide filling material; and adding a formaldehyde aqueous solution, distilled water and oxalic acid into phenol, refluxing a mixture under stirring, adding oxalic acid,carrying out refluxing under stirring, adding distilled water, carrying out standing and layering, subjecting a supernatant liquid to reduced pressure distillation under heating, adding a mixed solvent so as to obtain novolac resin, adding a curing agent and above-mentioned obtained materials, and carrying out uniform mixing under stirring so as to obtain phenolic resin paint.

Description

technical field [0001] The invention relates to the field of coatings, in particular to a preparation method of a rust-proof, waterproof and wear-resistant phenolic resin paint modified by mica iron oxide. Background technique [0002] Coating protection method is the most effective and widely used method to prevent metal corrosion, and epoxy resin is currently the most widely used anti-corrosion coating, but due to the shortcomings of epoxy coating itself, such as brittleness and easy aging, epoxy resin coatings are One of the important organic coatings, but its toughness and high temperature resistance are not good, and it usually needs to be modified. Mica iron oxide is one of the main varieties of anti-rust pigments. It is in the form of thin flake crystals and has high heat resistance. Coatings made of micaceous iron oxide have the characteristics of good film formation, excellent adhesion and connection characteristics, anti-air pollution and no ultraviolet radiation,...

AI Technical Summary

Problems solved by technology

[0002] Coating protection method is the most effective and widely used method to prevent metal corrosion, and epoxy resin is currently the most widely used anti-corrosion coating, but due to the shortcomings of epoxy coating itself, such as brittleness and easy aging, epoxy resin coatings are One of the important organic coatings, but its toughness and high temperature resistance are not good, and it usually needs to be modified