Polyester resin bottom powder as well as lamp coated by same and coating method thereof

Abstract

The invention discloses polyester resin bottom powder as well as a lamp coated by the same and a coating method thereof. The polyester resin bottom powder comprises the following components in percentage by weight: 54-63.2% of fluorocarbon carboxyl saturated polyester resin, 4-6% of epoxy acrylic resin, 4-6% of curing agent, 1.8-2.2% of auxiliary agent, 10.8-13.2% of titanium dioxide, 2.7-3.3% of carbon powder and 13.5-16.5% of filler. An ultraviolet-resistant anti-corrosion coating comprises a polyester resin bottom powder layer with the thickness of 120-280 microns and an ultraviolet-resistant finish layer with the thickness of 20-40 microns. After the outer surface of the lamp is pre-treated, the bottom powder and the finish are sequentially coated. The polyester resin bottom powder disclosed by the invention is tightly combined with the outer surface of the lamp and has the advantages of good adhesive force and good chemical corrosion resistant performance. Furthermore, an ultraviolet-resistant paint in the coating can be used for preventing the bottom powder from being radiated by ultraviolet rays and the coating has waterproof and dustproof functions.

Description

technical field [0001] The invention relates to the technical field of metal surface treatment, in particular to a polyester resin primer, a lamp coated with the polyester resin primer and a coating method. Background technique [0002] Boundary lights on helipads of offshore oil platforms are installed at a high location and are often exposed to harsh conditions such as strong sunlight, strong sea wind, and severe sea fog corrosion. After installation, it is difficult for general lighting to reach the specified service life. In order to make the lamp meet the specified requirements, the surface of the lamp is generally coated to protect it in the lighting industry. [0003] At present, there are two main surface protection treatment technologies for lamps (such as aluminum alloy lamps) commonly used: one is to use electrostatic spraying epoxy polyester plastic powder coating process to form a coating on the outer surface of the lamp, and then put it on Heating room heating...

AI Technical Summary

Problems solved by technology

[0005] The further technical problem to be solved in the present invention is to solve the problem of poor chloride ion penetration resistance, poor UV resistance and high nickel-chromium alloy zinc-based protective coating process in the electrostatic spraying epoxy polyester plastic powder coating process. To overcome defects such as complex process, a lamp coated with the above-mentioned polyester resin base powder is provided, which has the characteristics of good salt spray corrosion resistance, good ultraviolet resistance, low cost, simple operation, and environmental protection.

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