3D microsphere based ultra-hydrophobic dustproof paint, and preparation method thereof
A dust-proof coating and super-hydrophobic technology, applied in the field of coatings, can solve the problems of low photocatalytic efficiency, poor dispersion of inorganic nano-materials, and differences in the degree of super-hydrophobic self-cleaning, achieving good dispersion stability, convenient construction, and excellent durability. abrasive effect
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Embodiment 1
[0046] (1) Preparation of Silicone Modified Acrylic Resin
[0047] In terms of parts by mass, the raw material components and dosage are shown in Table 1 below.
[0048] Table 1
[0049]
[0050] Preparation: Accurately weigh the organosilicon monomer methylvinyldimethoxysiloxane, methyl methacrylate, and ethanol, mix evenly, heat up to 100°C, add the ethanol solution of azobisisoheptanonitrile dropwise at a uniform speed, The ethanol solution of the catalyst azobisisoheptanonitrile was dripped within 1.8 hours, and then kept warm for 2.5 hours to obtain a silicone-modified acrylic resin;
[0051] (2) Preparation of superhydrophobic dustproof coating based on 3D microspheres
[0052] In parts by mass, the components and amounts of the raw materials are listed in Table 2 below.
[0053] Table 2
[0054]
[0055]
[0056] Preparation: Accurately weigh bismuth oxyhalide 3D microspheres and dispersant TH1100, and stir at 7000r / min for 40min to prepare bismuth oxyhalid...
Embodiment 2
[0063] In terms of parts by mass, the raw material components and amounts are shown in Table 4 below.
[0064] Table 4
[0065]
[0066] Preparation: Accurately weigh the organic silicon monomer vinyltriethoxysilane, ethyl methacrylate, and 80% isopropanol as an organic solvent, mix well and heat up to 70°C, add azobisisobutyronitrile and the remaining The mixed solution of isopropanol was dripped within 2.8 hours, and then kept warm for 2.5 hours to obtain a silicone-modified acrylic resin;
[0067] (3) Preparation of superhydrophobic dustproof coating based on 3D microspheres
[0068] In parts by mass, the components and amounts of the raw materials are listed in Table 5 below.
[0069] table 5
[0070]
[0071] Preparation: Accurately weigh bismuth oxyhalide 3D microspheres, dispersant TH-5050, coupling agent isopropyl titanate triisostearate and mixed solvent, and stir at 7000r / min for 40min to prepare bismuth oxyhalide 3D microspheres Dispersion liquid; accurate...
Embodiment 3
[0076] (1) Preparation of Silicone Modified Acrylic Resin
[0077] In terms of parts by mass, the raw material components and amounts are shown in Table 7 below.
[0078] Table 7
[0079]
[0080] Preparation: Accurately weigh the organosilicon monomer γ-methacryloxypropyltrimethoxysilane, butyl methacrylate, and 90% xylene, mix well and then raise the temperature to 120°C, add the catalyst and the remaining solvent dropwise at a uniform speed The mixture, so that the catalyst is dripped within 1.5 hours, and then incubated for 2 hours to obtain a silicone-modified acrylic resin;
[0081] (2) Preparation of superhydrophobic dustproof coating based on 3D microspheres
[0082] In terms of parts by mass, the raw material components and amounts are shown in Table 8 below.
[0083] Table 8
[0084]
[0085]
[0086]Preparation: Accurately weigh bismuth oxyhalide 3D microspheres, dispersant TH-2000, γ-aminopropyltriethoxysilane and mixed solvent, and stir at 6000r / min f...
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