Titanium dioxide was surface modified by titanate AP100 and silane KH550, respectively. In order to test the ratio and water resistance of latex paint, titanium dioxide was added to latex paint. FITR analysis of modified titanium dioxide was carried out, and the way of action of coupling agent on powder surface was discussed. The dispersion of modified titanium dioxide in latex paint was significantly improved, and the ratio of paint was significantly increased. When the content of modified titanium dioxide increased to 25 %, the ratio reached 93 %. After the water resistance test, the emulsion paint coating filled with modified titanium dioxide did not appear pulverization and obvious loss of light.
Guangdong Chemical Industry