Inorganic overcoat resin and preparation method thereof
A surface resin, inorganic technology, applied in the direction of coating, can solve the problem that the acrylic resin surface can not achieve stain resistance, and achieve the effect of excellent aging resistance.
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Embodiment 1
[0036] 1) Add 20 parts by weight of tetraethyl orthosilicate to 40 parts by weight of a water-alcohol mixture, the water-alcohol mixture is water and alcohol with a weight ratio of 65:35, and react in a water bath at 70°C for 60 minutes;
[0037] 2) Continue to add 8 parts by weight of methyltrimethoxysiloxane, and react in a water bath at 70°C for 60 minutes;
[0038] 3) Continue to add 40 parts by weight of a mixture of silicon dioxide, aluminum oxide, titanium dioxide and zirconium dioxide, the mixture of silicon dioxide, aluminum oxide, titanium dioxide and zirconium dioxide is 50:20 by weight: 20:10 silicon dioxide, aluminum oxide, titanium dioxide and zirconium dioxide, react in a water bath at 70°C for 60 minutes.
Embodiment 2
[0040] 1) Add 30 parts by weight of tetraethyl orthosilicate to 50 parts by weight of a water-alcohol mixture, the water-alcohol mixture is water and alcohol with a weight ratio of 65:35, and react in a water bath at 70°C for 60 minutes;
[0041] 2) Continue to add 10 parts by weight of methyltrimethoxysiloxane, and react in a water bath at 70°C for 60 minutes;
[0042] 3) Continue to add 50 parts by weight of a mixture of silicon dioxide, aluminum oxide, titanium dioxide and zirconium dioxide, the mixture of silicon dioxide, aluminum oxide, titanium dioxide and zirconium dioxide is a weight ratio of 50:20: 20:10 silicon dioxide, aluminum oxide, titanium dioxide and zirconium dioxide, react in a water bath at 70°C for 60 minutes.
[0043] Can be obtained by testing:
[0044]
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