A low-surface, high-penetration, rust-bearing primer

Abstract

The invention discloses a surface tolerant high-permeability priming paint for rusty surfaces. The surface tolerant high-permeability priming paint for rusty surfaces is composed of two parts, oil paint and a curing agent, and is prepared through the steps of oil paint preparation, curing agent preparation and preparation of the priming paint for rusty surfaces. The priming paint for rusty surfaces can be directly applied to the metal surface with a relatively thick rust layer, so that the surface treatment processes are effectively reduced, the construction processes are simplified, the construction difficulty is decreased, and the labor intensity is reduced; in addition, the priming paint can react with the rust layer to produce a protective film with high corrosion resistance, so that the entire rust layer is good in anti-rust property, durability and physical and mechanical properties, and ensures the anti-corrosion effect; meanwhile, the priming paint for rusty surfaces does not contain any solvent harmful to human bodies, such as formaldehyde and benzene, and is a non-toxic biodegradable material. The priming paint provided by the invention can be used for preservative treatment to the rusted steel components, and is not only free of environmental pollution, but also can avoid the problem of acid residues caused by traditional acid pickling.

Description

technical field [0001] The invention belongs to the technical field of chemical coatings, and in particular relates to a low-surface high-permeability rust-bearing primer. Background technique [0002] Corrosion of steel is a ubiquitous natural phenomenon, such as: rusty spots on the surface of steel and its products, oxide skin on the surface of steel ingots, etc. The loss caused by steel corrosion is not only manifested in the damage of the material itself in terms of shape, color, mechanical properties, etc., but more importantly, the quality level of finished products (mechanical equipment, engineering structures, etc.) Damaged, affecting its use value or even causing scrapping. Coatings have become an important material for preventing metal corrosion, especially in heavy anti-corrosion fields, such as steel structures, tunnels, bridges, urban construction facilities, highway facilities, railway facilities, ships, port machinery facilities, petroleum facilities, metallu...

AI Technical Summary

Problems solved by technology

However, steel structures, tunnels, bridges, urban construction facilities, highway facilities, railway facilities, ships, wharf port machinery facilities, petroleum facilities, metallurgy and other equipment are re-polished, rust-removed, and difficult to construct, especially in some dead corners and When large-scale maintenance spraying is required, such as the bottom of bridges, the back of steel structures, and metal gaps, etc., the cost will increase due to the difficulty and time-consuming grinding

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