High-temperature-resistant anticorrosive paint and preparation method thereof

Abstract

The invention discloses high-temperature-resistant anticorrosive paint and a preparation method thereof. The paint comprises finishing paint and a primer which are matched, wherein calculated by mass percentage, the raw-material formula of the finishing paint comprises the following components: 20-30 percent of polyester modified organic silicon resin, 20-40 percent of filler, 30-50 percent of thinner and 0.5-1 percent of auxiliary agent; the filler is the mixture of glass powder, talcum powder, mica powder and carbon black; the raw-material formula of the primer comprises the following components: 10-20 percent of organic-silicon modified epoxy resin, 10-20 percent of phenolic resin, 20-40 percent of primer filler, 30-50 percent of thinner and 0.5-1 percent of auxiliary agent; and the primer filler is the mixture of iron red, mica powder, talcum powder and glass powder. The fillers adopted by the invention have the performances of acid resistance, alkali resistance, heat resistance, fire resistance, insulation and the like, and the obtained paint has the advantages of good weather resistance, high-temperature resistance, small color difference, good anticorrosive performance, good bonding force and low preparation cost.

Description

technical field

[0001] The invention relates to an anti-corrosion coating, in particular to a high-temperature-resistant anti-corrosion coating and a preparation method thereof. The coating is mainly used in the preparation of high-temperature-resistant steel. Background technique

[0002] High-temperature resistant anti-corrosion coatings are widely used in high-temperature places such as steel chimneys, high-temperature pipes, high-temperature furnaces, petroleum cracking devices, and military equipment to delay thermal oxidation corrosion of metal equipment such as steel at high temperatures and ensure long-term use of equipment.

[0003] First of all, the existing anti-corrosion coating products have poor high temperature resistance. In general, the anti-corrosion coating on the existing cold-rolled carbon steel sheet (SPCC) base material is limited to a temperature of 550°C, and interlayer explosion will occur if the temperature exceeds 550°C; and the existing coating o...

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