UV-cured conductive graphene coating and construction method thereof

Abstract

The invention discloses a UV-curable conductive graphene coating and a construction method thereof, and the UV-curable conductive graphene coating comprises the following components in parts by weight: 90-110 parts of polyurethane acrylate resin, 60-80 parts of a photocuring monomer, 10-15 parts of a photoinitiator, 0.01-1 part of a graphene conductive filler, and 0.5-2 parts of an auxiliary agent. Wherein the photocuring monomer is prepared from the following components in parts by weight: 45 to 55 parts of tetrahydrofuran acrylate, 10 to 30 parts of hydroxyethyl acrylate and 5 to 15 parts of pentaerythritol tetraacrylate. According to the invention, through compounding of the photocuring monomers and the polyurethane acrylate resin, the coating has UV curing performance, and the conductive filler can float between layers, so that the dispersion continuity of the conductive filler in the coating and the uniformity of the distance between the conductive filler and the lower layer can be adjusted through impressed current in the construction process; and the laying effect of the conductive coating is ensured, and large-area construction is easy.

Description

technical field [0001] The invention relates to the field of conductive coatings, in particular to a UV-cured conductive graphene coating and a construction method thereof. Background technique [0002] Graphene is a two-dimensional honeycomb carbon material composed of carbon atoms arranged in hexagons. The carbon atoms are formed by sp2 hybridization, and their structure is very stable. The special structure of graphene makes it have many excellent properties: graphene is the hardest substance found so far, and has excellent mechanical properties, outstanding thermal conductivity, up to 3000W / (m K); in addition, Graphene also has good electrical conductivity, and its electron mobility can be as high as 20000CM at room temperature 2 / (V·s). [0003] Graphene is added to the coating as a reinforcing material, in addition to enhancing the strength of the coating, it can also make the coating have excellent properties such as anti-corrosion, heat generation, electrical cond...

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Problems solved by technology

[0005] The present invention provides a UV curing conductive paint in order to overcome the problem that graphene is easy to agglomerate in the graphene conductive paint in the prior art and the improvement of paint performance is limited. The graphene coating and its construction method, through the compounding of each light-curing monomer and polyurethane acrylate resin, the coating has UV curing performance, and the graphene conductive filler can float between layers, so that it can be added during the construction process. The current adjusts the dispersion continuity of the graphene conductive filler in the coating, hinders the agglomeration of graphene, ensures the laying effect of the graphene conductive coating and facilitates large-scale construction, and graphene is not easy to agglomerate

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