A kind of self-cleaning antifouling flashover paint and preparation method thereof
An anti-pollution flashover coating and self-cleaning technology, applied in coatings and other directions, can solve the problems of poor self-cleaning effect of RTV coatings, and achieve enhanced hydrophobicity and anti-adhesion effect, good suspension, and less influence on coating rheology Effect
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Embodiment 1
[0079] The self-cleaning anti-fouling flashover coating described in this example is prepared from the following components by weight: 25 parts of hydroxyl-terminated polysiloxane, 3 parts of nano-silica, 12 parts of aluminum hydroxide modified flame retardant 2.5 parts of micron matting powder, 0.1 part of pigment, 1.5 parts of ketoxime type crosslinking agent, 0.001 part of deoximation type catalyst, and 40 parts of alkane solvent. The viscosity of the hydroxyl-terminated polysiloxane is 4000-30000 mPa.s.
[0080] The self-cleaning antifouling flashover coating is prepared by the following method:
[0081] (1) Add the hydroxyl-terminated polysiloxane, nano-silicon dioxide, pigment and aluminum hydroxide modified flame retardant into the primary mixer in selected parts by weight and mix uniformly for 1 hour, then grind uniformly by three rollers, And put it into a kneader, under vacuum conditions, control the temperature at 150°C, after the low molecular substances are remov...
Embodiment 2
[0088] The self-cleaning antifouling flashover coating described in this embodiment is prepared from the following components by weight: 40 parts of hydroxyl-terminated polydimethylsiloxane, 6 parts of hydrophobic fumed nano-silica, hydrotalcite modified 20 parts of non-toxic flame retardant, 4 parts of micron matting powder, 2 parts of pigment, 3 parts of ketoxime type crosslinking agent methyl tributylketoxime silane, 0.1 part of dibutyltin silicate in deoximation type catalyst, polyether 70 parts of solvent. The viscosity of the hydroxyl-terminated polydimethylsiloxane is 4000-30000 mPa.s.
[0089] The self-cleaning antifouling flashover coating is prepared by the following method:
[0090] (1) Add the hydroxyl-terminated polydimethylsiloxane, hydrophobic fumed nano-silica, pigment and magnesium hydroxide modified flame retardant into the initial mixer for 1 hour and mix uniformly in selected parts by weight, then Grind evenly through three rollers, put it into a kneader,...
Embodiment 3
[0097] The self-cleaning anti-fouling flashover coating described in this embodiment is prepared from the following components by weight: 30 parts of hydroxyl-terminated polydimethylsiloxane, 4 parts of hydrophobic fumed nano-silica, aluminum hydroxide 16 parts of modified flame retardant, 3 parts of micron matting powder, 0.6 parts of pigment, 2 parts of ketoxime type crosslinking agent vinyl butanone oximino silane, 0.01 part of deoximation catalyst stannous octoate, a mixture of aromatic hydrocarbons and alkanes 50 parts of solvent. The viscosity of the hydroxyl-terminated polydimethylsiloxane is 5000-25000 mPa.s.
[0098] The self-cleaning antifouling flashover coating is prepared by the following method:
[0099] (1) Add the hydroxyl-terminated polydimethylsiloxane, hydrophobic fumed nano-silica, pigment and aluminum hydroxide modified flame retardant into the primary mixer for 1 hour and mix uniformly in selected parts by weight, then Grind evenly through three rollers...
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