Disc-type electrostatic coating process for vehicle transmission shaft aqueous anticorrosion coating material
A technology for anti-corrosion coatings and water-based coatings, applied in anti-corrosion coatings, devices for coating liquid on surfaces, coatings, etc., to achieve the effects of increasing storage stability and improving compatibility
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[0029] Some specific examples are listed below to illustrate the present invention. It should be pointed out that the following specific examples are only used to further illustrate the present invention, and do not represent limitations to the protection scope of the present invention. Some non-essential modifications and adjustments made by others according to the present invention still belong to the protection scope of the present invention.
[0030] The preparation method of the oxidation-drying type epoxy phosphate resin in the embodiment 1~5: Add co-solvent ethylene glycol monobutyl ether and epoxy resin E03 to the reaction kettle, heat up to 160±5 ℃ to dissolve, at 600 rev / min Stir at a low speed, and then add fatty acid into the reaction kettle, the fatty acid is composed of palmitoleic acid and linolenic acid in a mass ratio of 1:1, and the temperature is raised to 200-240°C for fatty acid-epoxy ring-opening reaction, to the reactant The acid value of the acid value ...
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