Nano-composite polyurethane aircraft paint and its preparation method and application
An aviation coating and nano-composite technology, applied in the direction of polyurea/polyurethane coatings, coatings, etc., can solve the problems of insufficient gloss retention and color retention, loss of commercial competitiveness, increase of working hours and costs, etc., to improve color retention. The effect of improving the anti-ultraviolet aging performance and low cost
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[0026] Example 1
[0027] Weigh 24g hydroxy acrylic resin Desmophen in a 300ml beaker A365 / 1 (solid content is 60%, the hydroxyl content of the solid resin is 2.8%), add 36g of the above-mentioned Nanos-type nano pulp, then add 3g of toluene, 10g of ethyl acetate, 4g of methyl ethyl ketone, 2g of 2-nitropropane, and then add Disperbyk 163 wetting and dispersing agent 0.4g, BYK-310 leveling agent 0.1g, BENTONE SD-1 organic bentonite anti-settling agent (U.S. RHEOX company) 0.5g, titanium dioxide 16g, talc 1g, heavy calcium carbonate 1g, mica oxidation Iron 1g, zinc phosphate 1g, the above-mentioned base material is dispersed with a high-speed disperser at 1000rpm for 10 minutes, then ground with a horizontal sand mill to a fineness of less than 20μm, and filtered to prepare a modified synthetic resin component for nanocomposite polyurethane aviation coatings , Where nano-pulp accounts for 36% of the total modified synthetic resin components; the curing agent component is Desmudur...
Example Embodiment
[0028] Example 2
[0029] Weigh 18g of hydroxy acrylic resin Desmophen in a 300ml beaker A365 / 1 (solid content is 60%, the hydroxyl content of the solid resin is 2.8%), add 41g of the above-mentioned Nanos-type nano pulp, then add 12g of toluene, 12g of ethyl acetate, 4g of methyl ethyl ketone, 2g of 2-nitropropane, and then add Disperbyk 163 wetting and dispersing agent 0.4g, BYK-310 leveling agent 0.1g, BENTONE SD-1 organic bentonite anti-settling agent (U.S. RHEOX company) 0.5g, titanium dioxide 6g, talc 1g, heavy calcium carbonate 1g, mica oxidation Iron 1g, zinc phosphate 1g, the above-mentioned base material is dispersed with a high-speed disperser at 1200rpm for 50 minutes, then ground with a horizontal sand mill to a fineness of less than 20μm, and filtered to prepare the modified synthetic resin component of nanocomposite polyurethane aviation coatings , The nano-pulp accounts for 41% of the total modified synthetic resin components; the curing agent component is Desmud...
Example Embodiment
[0030] Example 3
[0031] Weigh 18g of hydroxy acrylic resin Desmophen in a 300ml beaker A365 / 1 (solid content is 60%, the hydroxyl content of the solid resin is 2.8%), add 46g of the above-mentioned Nanos-type nano pulp, then add 12g of toluene, 7g of ethyl acetate, 4g of methyl ethyl ketone, 2g of 2-nitropropane, and then add Disperbyk 163 wetting and dispersing agent 0.4g, BYK-310 leveling agent 0.1g, BENTONE SD-1 organic bentonite anti-settling agent (U.S. RHEOX company) 0.5g, titanium dioxide 6g, talc 1g, heavy calcium carbonate 1g, mica oxidation Iron 1g, zinc phosphate 1g, the above-mentioned base material is dispersed with a high-speed disperser at 2000rpm for 12 minutes, then ground with a horizontal sand mill to a fineness of less than 20μm, and filtered to prepare the modified synthetic resin component of nanocomposite polyurethane aviation coatings , In which nano pulp accounts for 46% of the total modified synthetic resin components; the curing agent component is De...
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