Electrostatically conductive oil-tolerant paint containing rich zinc and silicic acid
A static conductive, zinc-rich technology, applied in the direction of conductive coatings, etc., can solve the problems of complex construction, static conductive performance, corrosion resistance, unstable film forming time, high production cost, etc., and achieve strong coating film and excellent leveling properties, stable film-forming time
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Embodiment 1
[0020] The production of embodiment 1 zinc-rich silicic acid oil resistant and static conductive coating
[0021] (1) Tetraethyl orthosilicate 100Kg, dehydrated alcohol 2.1Kg mix, stir, carry out alcoholysis reaction;
[0022] (2) Dilute 1Kg of hydrochloric acid with 2.5Kg of pure water, add dropwise so that the pH value is 2-3, let it stand at room temperature, add 1.5Kg of organosilicon amine, stir and mix evenly;
[0023] (3) Add 18.5Kg of zinc powder, stir and mix evenly.
[0024] The technical indicators of the obtained coatings are shown in Table 1.
[0025] serial number
[0026] Note: *Dry film thickness is 70um~120um, all impregnation is performed after 7 days of coating curing.
Embodiment 2
[0027] The coating resistivity measurement of the present invention that embodiment 2 embodiment 1 produces
[0028] The test method is GB16906 Determination of Electrical Resistivity of Static Conductive Coatings for Petroleum Tanks. The testing instrument is American ACL385 Oil Resistive Coating Resistivity Tester. The test conditions are temperature 31°C and humidity 66%. The test results are shown in Table 2.
[0029] Paint test piece number
[0030] The results show that the zinc-rich silicic acid oil-resistant and static-conductive paint of the present invention has a surface resistivity lower than 10 9 Ω, volume resistivity lower than 10 8 Ω.M, in line with GB13348 Liquid Petroleum Electrostatic Safety Regulations.
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