授权公告号:CN 103803566B授权公告日:2015年9月30日专利权人:福建正盛无机材料股份有限公司发明人:谭玉泉本发明公开了一种透明橡胶补强剂沉淀法二氧化硅(白炭黑)的制备方法。该方法采用可溶性硅酸钠作原料,通过强酸性阳离子交换后获得稀硅酸,再以氨水为沉淀剂,在表面活性剂OP-10存在下合成得到二氧化硅,经压滤、洗涤、喷雾干 Authorized document number: CN 103803566B Authorization date: September 30, 2015 Patentee: Fujian Zhengsheng Inorganic Material Co., Ltd. Inventor: Tan Yuquan The present invention discloses a transparent rubber reinforcing agent precipitation method of silica White carbon black) preparation method. The method uses soluble sodium silicate as a raw material, obtains dilute silicic acid through strong acid cation exchange, and then uses ammonia water as a precipitating agent to synthesize silica in the presence of the surfactant OP-10, and is subjected to pressure filtration, washing and spraying dry