Using stiring and ultrasonic dispersing,nano-SiO_2 composite coating was obtained by adding nano-SiO_2 into varnish.

• 在机械搅拌和超声场的共同作用下,将改性纳米二氧化硅分散到醇酸清漆中,获得纳米二氧化硅复合涂料。