Weather-proof FEVE (Fluoroethylene Vinyl Ether) ambient temperature curing fluorocarbon coating and preparation method thereof

Abstract

The invention discloses weather-proof FEVE (Fluoroethylene Vinyl Ether) ambient temperature curing fluorocarbon coating and a preparation method thereof. The weather-proof FEVE ambient temperature curing fluorocarbon coating comprises a component A and a component B according to a weight ratio of 1 to (0.2 to 0.5); the component A comprises the following raw materials in parts by weight: 30 to 45 parts of FEVE fluorocarbon resin, 5 to 10 parts of alicyclic epoxy resin, 15 to 35 parts of butyl acetate, 10 to 18 parts of propylene glycol methyl ether acetate, 20 to 40 parts of pigments and fillers, 1 to 2 parts of modified organic bentonite, 1 to 2 parts of calcined kaolin, 1 to 2 parts of sodium sulfonate, 1 to 2 parts of flatting agent, 0.1 to 0.3 part of polyether modified polydimethylsiloxane, 1 to 3 parts of dispersing agent, 1 to 2 parts of anti-fungus agent and 0.2 to 0.5 part of defoaming agent; the component B comprises the following raw materials in parts by weight: 10 to 20 parts of trimer prepolymer of aliphatic isocyanate, 2 to 5 parts of boron trifluoride diethyl etherate and 15 to 20 parts of butyl acetate. The weather-proof FEVE ambient temperature curing fluorocarbon coating disclosed by the invention has good corrosion protection and weather resistance properties, and the preparation method is simple and convenient for actual operation.

Description

technical field [0001] The invention relates to the technical field of fluorocarbon coatings, in particular to a weather-resistant FEVE normal-temperature curing fluorocarbon coating and a preparation method thereof. Background technique [0002] Bridges are subjected to erosion such as fog, rain, sunlight, and severe cold, especially in environments with high temperature, high humidity, and high salt spray. Under the above-mentioned harsh environmental factors, bridge steel structures will inevitably be severely corroded. Many bridge steel Rust spots on the surface of the structure affect the stability and reliability of the bridge and shorten the service life. At present, anti-rust paint is often painted on the surface of the steel structure of the bridge for protection. Still can't meet the demand. Contents of the invention [0003] The invention provides a weather-resistant FEVE normal-temperature curing fluorocarbon coating and a preparation method thereof, which hav...

AI Technical Summary

Problems solved by technology

[0002] Bridges are subjected to erosion such as fog, rain, sunlight, and severe cold, especially in environments with high temperature, high humidity, and high salt spray. Under the above-mentioned harsh environmental factors, bridge steel structures will inevitably be severely corroded. Many bridge steel Rust spots on the surface of the structure affect the stability and reliability of the bridge and shorten the service life. At present, anti-rust paint is often painted on the surface of the steel structure of the bridge for protection. Still can't meet the demand