Paint composition and preparation and using methods thereof
A composition and coating technology, which can be applied to epoxy resin coatings, coatings, devices for coating liquid on surfaces, etc. The effect of adhesion and good mechanical properties
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[0055] The present invention also provides a preparation method of the above-mentioned coating composition, comprising:
[0056] Add water-based epoxy acrylate, photoinitiator and cross-linking agent to the auxiliary agent under stirring state, and then filter.
[0057] Concrete preparation process is preferably as follows:
[0058] a) Put the leveling agent and defoamer in the mixer and mix evenly, set the stirring speed to 700rpm-900rpm, stir for 10min-20min, add water-based epoxy acrylate, and increase the stirring speed to 1200rpm-1400rpm and stir 2h~4h.
[0059] b) Add co-solvent, photoinitiator and water-based crosslinking agent to the mixture obtained in step a, set the stirring speed to 1400rpm-1600rpm, stir for 25min-40min and then filter with a 200-mesh filter to obtain a water-based epoxy acrylate coating.
[0060] The using method of coating composition provided by the invention is as follows:
[0061] After the coating composition is sprayed on the surface of t...
Embodiment 1~ Embodiment 6
[0075] The coating composition of above-mentioned 6 embodiments all is to prepare according to the following method:
[0076] 1. Add the leveling agent and defoamer to the paint tank, set the stirring speed to 800rpm, stir for 15 minutes, add water-based epoxy acrylate, set the stirring speed to 1300rpm, and stir for 2.5 hours.
[0077] 2. Add a cosolvent, a photoinitiator and a crosslinking agent to the mixture obtained in step 1, set the stirring speed to 1500 rpm, stir for 30 minutes, and filter with a 200-mesh filter to obtain a coating composition.
[0078] Above-mentioned 6 embodiment raw materials and consumption are listed in Table 2.
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