A kind of preparation method of transparent water-based coating used on glass
A water-based coating and technology on glass, applied in the field of coatings, can solve problems such as the decline of infrared light reflection performance and coating aging, and achieve the effect of improving heat insulation rate and stability
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Embodiment 1
[0030] Step 1, in parts by weight, disperse 10 parts of fluorine-doped tin oxide powder in 100 parts of an aqueous solution of silane coupling agent glycidyl ether oxypropyl trimethoxysilane, the fluorine-doped tin oxide The average particle size of the powder is 60-90nm, the mass concentration of the aqueous solution of silane coupling agent is 5%, react at room temperature for 20 hours, then filter the powder, and obtain the modified powder after drying under reduced pressure;
[0031] Step 2, put the modified powder in 80 parts of methanol, then add 20 parts of ethylenediamine and 15 parts of sodium bicarbonate to react, the reaction temperature is 70°C, react for 12 hours, and filter out the powder after the reaction , washed with distilled water until neutral, and dried under reduced pressure to obtain EDA cross-linked functional powder;
[0032] Step 3, in parts by weight, 20 parts of EDA crosslinking functional powder, 1 part of N-isopropyl (meth)acrylamide, 2 parts of ...
Embodiment 2
[0035] Step 1, in parts by weight, disperse 15 parts of fluorine-doped tin oxide powder in 120 parts of an aqueous solution of silane coupling agent glycidyloxypropyltrimethoxysilane, the fluorine-doped tin oxide The average particle size of the powder is 60-90nm, the mass concentration of the aqueous solution of silane coupling agent is 10%, react at room temperature for 30 hours, then filter the powder, and obtain the modified powder after drying under reduced pressure;
[0036] Step 2, put the modified powder in 140 parts of methanol, then add 30 parts of ethylenediamine and 18 parts of sodium bicarbonate to react, the reaction temperature is 80°C, react for 24 hours, and filter the powder after the reaction , washed with distilled water until neutral, and dried under reduced pressure to obtain EDA cross-linked functional powder;
[0037] Step 3, in parts by weight, 24 parts of EDA crosslinking functional powder, 3 parts of N-isopropyl (meth)acrylamide, 4 parts of N-vinylpy...
Embodiment 3
[0040] Step 1, in parts by weight, disperse 15 parts of fluorine-doped tin oxide powder in 120 parts of an aqueous solution of silane coupling agent glycidyloxypropyltrimethoxysilane, the fluorine-doped tin oxide The average particle size of the powder is 60-90nm, the mass concentration of the aqueous solution of silane coupling agent is 7%, react at room temperature for 25 hours, then filter the powder, and obtain the modified powder after drying under reduced pressure;
[0041]Step 2: Put the modified powder in 110 parts of methanol, then add 23 parts of ethylenediamine and 17 parts of sodium bicarbonate to react, the reaction temperature is 75°C, and react for 17 hours. After the reaction, filter out the powder , washed with distilled water until neutral, and dried under reduced pressure to obtain EDA cross-linked functional powder;
[0042] Step 3, by weight, 22 parts of EDA crosslinking functional powder, 2 parts of N-isopropyl (meth)acrylamide, 3 parts of N-vinylpyrrolid...
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