The silica sol-acrylic acid emulsion composite coatings with high quality and low cost were prepared by silica sol through two-step feeding and properly formulated with extenders and additives.

• 采用硅溶胶二步加料,与填料、助剂合理配置制得产品质量稳定,性能优异,成本较低的硅溶胶-丙烯酸乳液复合涂料。