Wear-resistant coating synthesized from basalt flakes and graphene and preparing method thereof

Abstract

Wear-resistant coating synthesized from basalt flakes and graphene and preparing method thereof are disclosed. The method includes dispersing 3-14 parts by weight of basalt flakes, 5 parts by weight of graphene and 10-24.5 parts by weight of a resin monomer into 40-58 parts by weight of epoxy resin; stirring the mixture at a high speed to evenly loading the surfaces of the basalt flakes with the graphene and epoxy resin so as to obtain a composite emulsion having sub-nanometer flake diameter; adding 2-10 parts by weight of a modifier into the composite emulsion; polymerizing the mixture underhigh-speed stirring, namely performing epoxy resin monomer polymerization on the surface of the basalt flakes to form an epoxy resin ultrathin film having thickness of 5-100 [mu]m; then adding 1.5 parts by weight of a leveling and film formation auxiliary agent and 1-5 parts by weight of stearamide; and stirring the mixture to uniformly disperse the graphene to obtain the coating. The coating overcomes a disadvantage that graphene is difficult to disperse when applied in corrosion inhibiting coating and a disadvantage that graphene layers are liable to overlap and aggregate, has excellent low-temperature flexibility and heat resistance and is suitable for use in severe environments.

Description

technical field [0001] The present invention relates to a coating. In particular, it relates to a corrosion-resistant and wear-resistant coating synthesized by basalt flakes fused with graphene and a preparation method thereof. Background technique [0002] Wear-resistant and anti-corrosion coatings are widely used in steel structures such as traffic road maintenance, petrochemical, construction, marine engineering, and bridge engineering. [0003] At present, the most widely used anti-corrosion coating system is the epoxy solvent-based system, and the defects of epoxy-based systems that are not resistant to ultraviolet rays and abrasion have always been a fatal point of it, which greatly reduces the service life of the coating. . Thick-coated epoxy-based systems not only increase the cost of materials, but also have the disadvantages of easy cracking and low adhesion. The application of basalt flakes will greatly improve the UV resistance of the coating and fill in the s...

AI Technical Summary

Problems solved by technology

[0003] At present, the most widely used anti-corrosion coating system is the epoxy solvent-based system, and the defects of epoxy-based systems that are not resistant to ultraviolet rays and abrasion have always been a fatal point of it, which greatly reduces the service life of the coating.

Especially in conductive coatings, epoxy zinc-rich coatings, and water-based anti-corrosion coatings, it has outstanding performance. It can be seen that in the prior art, due to the agglomeration of graphene itself, the uniformity and compactness of its dispersion are prone to crossover. Overlapping and aggregation, while graphene is carried on a general carrier, there are problems such as weak bonding, easy falling off, low loading rate, etc.