摘要
Mesoporous MSU1 was synthesized from sodium silicate solution and A(EO)9 surfactant in acid media.Compared with synthesis of MSU1 from TEOS,the former had many features such as low cost silica source,nontoxicity,and short reaction time.Moreover,the products with enhanced shortrange order and narrower pore size distribution were obtained when synthesized in moderate or strong acid media.pH had a large effect on properties of products prepared from sodium silicate solution,such as pore volume,pore wall,pore size and surface area.In near neutral media(pH=608),pore diameter was the smallest and pore wall was the thickest.In the research of two kinds of surfactants(alkylPEO and alkylaryl PEO),system of A(EO)9sodium silicate solution was found good for obtaining products with enhanced shortrange order and narrower pore size distribution.
Mesoporous MSU1 was synthesized from sodium silicate solution and A(EO)9 surfactant in acid media.Compared with synthesis of MSU1 from TEOS,the former had many features such as low cost silica source,nontoxicity,and short reaction time.Moreover,the products with enhanced shortrange order and narrower pore size distribution were obtained when synthesized in moderate or strong acid media.pH had a large effect on properties of products prepared from sodium silicate solution,such as pore volume,pore wall,pore size and surface area.In near neutral media(pH=608),pore diameter was the smallest and pore wall was the thickest.In the research of two kinds of surfactants(alkylPEO and alkylaryl PEO),system of A(EO)9sodium silicate solution was found good for obtaining products with enhanced shortrange order and narrower pore size distribution.
出处
《化学研究与应用》
CAS
CSCD
北大核心
2003年第5期688-690,共3页
Chemical Research and Application
基金
国家重点基础研究发展规划项目(G1999022402)
