Preparation method of self-cleaning photocureable paint
A light-curing coating and self-cleaning technology, used in antifouling/underwater coatings, coatings, and biocide-containing paints, etc. Improve the uniformity and mechanical properties, eliminate the effect of oxygen resistance, and promote the effect of connection strength
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[0015] Example 1
[0016] (1) Stir and mix 10 parts of trimethylolpropane triacrylate, 2 parts of fluorinated methacrylate, and 0.04 parts of α-hydroxyalkylphenone at 10°C;
[0017] (2) Add 3 parts of nano-silica with a particle size of 50nm and 0.01 part of nano-silver particles with a particle size of 20nm into tetrahydrofuran, use ultrasonic dispersion for 10min, and then add 1 part of mercaptopropylmethyldimethoxysilane , The temperature is raised to 110°C and refluxed for 30 minutes, then the temperature is continued to rise and the liquid is concentrated to 1 / 2 volume, when the temperature is reduced to 30°C, 3 parts of fluorinated methacrylate are added and stirred evenly;
[0018] (3) Mix the liquid obtained in step (1) with the liquid obtained in step (2), add 0.01 parts of dibutyltin dilaurate and 0.06 parts of isophorone diisocyanate, stir evenly and store in the dark to obtain the Self-cleaning light-curing coating.
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[0019] Example 2
[0020] (1) Stir and mix 15 parts of trimethylolpropane triacrylate, 2 parts of fluorinated methacrylate, and 0.4 parts of α-hydroxyalkyl phenone at 20°C;
[0021] (2) Add 100nm of nano-silica with a particle size of 100nm and 0.05 of the silver particle with a particle size of 30nm to tetrahydrofuran, use ultrasonic dispersion for 30min, then add 3 parts of mercaptopropylmethyldimethoxysilane, increase the temperature Reflux at 100°C for 60 minutes, then continue to heat up and concentrate the liquid to 1 / 2 volume, add 5 parts of fluorinated methacrylate when the temperature is reduced to 40°C, and stir evenly;
[0022] (3) Mix the liquid obtained in step (1) with the liquid obtained in step (2), add 0.1 part of dibutyltin dilaurate and 0.6 part of isophorone diisocyanate, stir evenly and store in the dark to obtain the Self-cleaning light-curing coating.
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