Environment protective polyurethane silk white paint for woodware and metal
A polyurethane and wood technology, applied in the direction of polyurea/polyurethane coatings, coatings, etc., can solve the problems of affecting the surface effect, the paint film is prone to yellowing, poor adhesion, etc., and achieves convenient polishing, good adhesion, and yellowing resistance. excellent effect
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[0035] Specific implementation 1:
[0036] Component A: 50 parts of coconut oil alkyd resin, 3 parts of propylene glycol methyl ether propionate, 3.7 parts of butyl acetate, 0.3 parts of EFKA4010, 1 part of Tianshuang brand negative ion auxiliary agent, and 34 parts of titanium dioxide are put into dispersion by weight. Cylinder, under stirring at 1200 r / min, disperse for 20 minutes; grind to fineness ≤ 20μm; at 800 r / min, add 5 parts of matting powder, disperse for 15 minutes; add Ciba UV-2 1 parts, 1 part of Lubrizol 1400SF, 0.3 part of Tianshuang brand deodorant, 0.3 part of DEUCHEM6500, 0.4 part of DEUCHEM432, dispersed at 800 rpm for 10 minutes; after passing the inspection, it can be made into component A;
[0037] Component B: 40 parts of butyl acetate, 23 parts of HDI trimer polyisocyanate and 37 parts of HDI-TDI trimer are mixed by weight, and then stirred well to make part B;
[0038] Component C: Mix 75 parts of butyl acetate and 25 parts of propylene glycol methyl...
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