【摘要】 溶胶-凝胶技术是一门新兴技术,通过对溶胶凝胶化过程的控制,可获得所需制备工艺的最佳条件。研 究表明:硅溶胶的粘度、ξ电位及凝胶化过程都与其酸碱度有密切的关系,凝胶化过程发生在pH为4-7之间。更多还原

【Abstract】 The sol-gel process is a developing technology,by controlling the gelation process of silica sol,we can obtain the best condition of preparation process. The viscosity and zeta potential of silica sol and the process of gelation have consanguineous relationship with their pH value,更多还原