Self-spraying type silica gel insulation paint and manufacturing technology thereof
A production process, silicone rubber insulation technology, applied in the direction of anti-corrosion coatings, coatings, etc., can solve the problems of easy clogging of the nozzle, coating gel, short storage period, etc., to improve insulation and flame retardancy, high-efficiency water absorption, The effect of extending storage life
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Embodiment 1
[0021] Prepare materials according to the following ratios by weight: 20 parts of α, ω-terminated hydroxyl polydimethylsiloxane (20000mpa.s); 5 parts of nano-silica; 2 parts of aluminum oxide, and 5 parts of decabromodiphenylethane; 1 part of anhydrous calcium chloride; 0.01 part of butanone oxime; 0.5 part of ethyl orthosilicate; 0.1 part of epoxypropyltrimethoxysilane; 0.1 part of dioctyltin dilaurate; 40 parts of a fluoromethane.
[0022] The specific production process is as follows:
[0023] (1) Separately bake nano-silica, alumina, decabromodiphenylethane, and anhydrous calcium chloride at 160°C for 4 hours to remove moisture;
[0024] (2), sequentially mix α, ω-terminated hydroxyl polydimethylsiloxane and rice silica, alumina, decabromodiphenylethane, anhydrous chlorine after drying in step (1) Calcium chloride is added to a vacuum mixer to fully stir into a mixture and then vacuumized, water molecules and small molecules can be removed by vacuuming;
[0025] (3) Und...
Embodiment 2
[0029] Prepare materials according to the following parts by weight: 30 parts of α, ω-terminated hydroxyl polydimethylsiloxane (50000mpa.s); 1 part of nano-silica; 10 parts of quartz powder, 5 parts of zinc borate; 3 parts of molecular sieve; toluene 0.1 part of diisocyanate; 1 part of vinyl butanone oximino silane; 0.5 part of acryloxypropyl trimethoxysilane; 0.5 part of tributyl titanate; 20 parts of tetrachloroethylene; 20 parts of trichlorofluoromethane .
[0030] The manufacture technology of self-spraying type silicone rubber insulating coating comprises the following steps:
[0031] (1) Separately bake nano-silica, quartz powder, zinc borate, and molecular sieve at 180°C for 3.5 hours to remove moisture;
[0032] (2) Add α, ω-terminated hydroxyl polydimethylsiloxane and nano-silica, quartz powder, zinc borate, and molecular sieve after step (1) toasted and dehydrated into a vacuum mixer in order to fully stir Vacuum after the mixture is formed, water molecules and sma...
Embodiment 3
[0037] Prepare materials according to the following parts by weight: 25 parts of α, ω-terminated hydroxyl polydimethylsiloxane (30000mpa.s); 3 parts of nano-silica; 2 parts of nano-calcium carbonate, and 3 parts of decabromodiphenylethane; 3 parts of zeolite; 0.5 part of hexamethyldisilazane; 0.8 part of vinyl butanone oximino silane; 0.3 part of aminopropyltrimethoxysilane; 0.3 part of tetraisobutyl titanate; 25 parts of tetrachloroethylene; 30 parts of difluoromethane.
[0038] The manufacture technology of self-spraying type silicone rubber insulating coating comprises the following steps:
[0039] (1) Separately bake nano-silica, nano-calcium carbonate, decabromodiphenylethane, and zeolite at 200°C for 3.8 hours to remove water;
[0040] (2), sequentially add α, ω-terminated hydroxyl polydimethylsiloxane, nano-silica, nano-calcium carbonate, decabromodiphenylethane, and zeolite after step (1) is baked and dehydrated The vacuum mixer is fully stirred into a mixture and th...
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