Degradable corrosion-resistant paint

Abstract

The invention discloses degradable corrosion-resistant paint. The degradable corrosion-resistant paint is prepared from the following raw materials in parts by weight: 74-77 parts of modified mixed resin, 40-43 parts of phenolic resin, 6-9 parts of carboxyl nitrile rubber, 1.4-1.7 parts of hydroxyethyl cellulose, 2.5-2.8 parts of calcium stearate, 1.7-2 parts of lauryl sodium sulfate, 5-8 parts of talcum powder, 9-12 parts of mica powder, 11-14 parts of attapulgite, 1.2-1.5 parts of an aluminum-zirconium coupling agent TL-4, 5-8 parts of ammonium polyphosphate, 23-26 parts of zinc borate, 8-11 parts of microencapsulated red phosphorus, 3.3-3.6 parts of a flexibilizer, 0.6-0.9 part of a curing agent, 1-1.3 parts of a defoaming agent, 1.1-1.4 parts of a leveling agent, 0.6-0.9 part of a mildew preventive, 1.7-2 parts of pigments and 58-61 parts of a solvent. The degradable corrosion-resistant paint disclosed by the invention has excellent corrosion resistance and flame resistance, and excellent adhesion and impact resistance.

Description

technical field [0001] The invention relates to the technical field of coatings, in particular to a degradable corrosion-resistant coating. Background technique [0002] Conventionally, tar epoxy coatings with excellent corrosion resistance have been used to paint the interior of ships such as ballast tanks. Because the paint contains tar, there are safety and hygiene problems, and because its color is black similar to the color of the base material steel plate, it is difficult to distinguish the film thickness of the coating film visually. If you want to paint with a uniform film thickness If it is painted, its painting operation and inspection are quite difficult. In addition, tar-containing coatings have problems in maintenance management such as the presence or absence of corrosion of the steel plate by visual inspection, and the influence of heat during welding of the steel plate, which causes coating film burns and deterioration over time. Also, tar-containing paints...

AI Technical Summary

Problems solved by technology

Because the paint contains tar, there are safety and hygiene problems, and because its color is black similar to the color of the base material steel plate, it is difficult to distinguish the film thickness of the coating film visually. If you want to paint with a uniform film thickness coating, its coating operation and inspection are quite difficult

In addition, the coating film containing tar has problems in maintenance and management such as the presence or absence of corrosion of the steel plate by visual inspection, and the influence of heat during welding of the steel plate, which causes the coating film to burn and deteriorate over time.

And, the coating that contains tar also has tar component to move gradually (ooze out) in the topcoat layer that is coated on this tar-based coating film, influences the attractive in appearance of the ship or steel structure thing that is coated.