Epoxy anticorrosive paint, and preparation method thereof

Abstract

The invention discloses an epoxy anticorrosive paint, and a preparation method thereof. The epoxy anticorrosive paint comprises, by weight, 100 parts of modified epoxy resin, 80 to 120 parts of a pigment filler, 2 to 5 parts of a dispersant, 15 to 20 parts of a film forming auxiliary agent, 1 to 3 parts of a leveling agent, and 1 to 3 parts of an antifoaming agent. According to the preparation method, epoxy resin is modified without influencing the viscosity of epoxy resin, active anticorrosive functional groups are introduced into the epoxy resin through grafting, so that the epoxy resin paint is provided with excellent scrubbing resistance, shedding of the anticorrosive function groups is not easily caused, and the corrosion resistance of the epoxy resin paint can be maintained for a long term.

Description

Technical field

[0001] The invention belongs to the technical field of coatings, and specifically relates to an epoxy anticorrosive coating and a preparation method thereof. Background technique

[0002] Epoxy resin is an important thermosetting resin. The cured epoxy resin has the advantages of good electrical properties, adhesive properties and mechanical properties. It is widely used in mechanical processing, aerospace and other fields. A large number of epoxy resin molecular chains The rigid benzene ring gives the resin rigidity and heat resistance; the polar groups such as hydroxyl and ether bonds make the epoxy resin have strong adhesion to the base metal after curing, but the epoxy resin itself is corrosion resistant In the prior art, some modifiers are often added to modify it. However, the durability of physically modified epoxy resins is poor, and chemical modification is often used with epoxy resin end rings. Oxy-oxy grafting method, this method will reduce the adhesi...

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