Rinsing-resistant primer
A technology of primer and film-forming resin, applied in the direction of coating, epoxy resin coating, etc., to achieve the effect of prolonging service life and good bonding force
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[0025] (2) Preparation of component A
[0026] Put 40 parts of the liquid prepared in (1) into the bottom of the reaction kettle, add 0.3 parts of auxiliary agent A, which is a wetting and dispersing agent, stir for 10 minutes, and after uniformity, add 30 parts of anti-rust pigments, 9 Part filler, 4.5 parts titanium dioxide, after stirring for 2 hours, perform mechanical grinding until the fineness is 40um, add 1.6 parts of auxiliary agent B, 4.8 parts of cyclohexanone, auxiliary agent B is leveling agent, coupling agent, and stir evenly .
[0027] (3) Preparation of component B
[0028] Put 27.5 parts of polyamide, 27 parts of xylene, and 26 parts of butanol into the bottom of the reactor, and stir for 10 minutes until uniform.
[0029] Mix component A and component B according to the specified ratio, adjust the viscosity with diluent to 18s, spray with ordinary air spray gun or electrostatic spray gun, spraying pressure 400-550 kPa, wet to wet interval 3 minutes, drying ...
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