作　　者： ; ; ;

机构地区： 仲恺农业技术学院化学化工学院绿色化工研究所

出　　处： 《现代化工》 2007年第4期27-29,共3页

摘　　要： 以微孔二氧化硅为载体,制备了微孔二氧化硅负载的铂胶体催化剂,并进行了表征。在密闭反应器中将催化剂用于催化1-辛烯与甲基氢二氯硅烷硅氢加成反应,结果显示该催化剂在常温常压下有很高的催化活性和重复实用性。无溶剂、40℃温度下反应10 h,甲基氢二氯硅烷的转化率可达99.11%,区域选择性β-加成产物100%。催化剂性能稳定,回收使用25次无明显失活。 A novel silica supported platinum catalyst has been prepared by a simple one-step procedure, using a sol-gel method, and characterized. The solvenfless hydresilylation reaction between 1-octene and methyldiehlorosilane in an autoclave reactor catalyzed by this catalyst was studied. Results showed the catalyst can bring a 99.11% conversion rate of methyldichloresilane wtih 100% β-adduct in regioselectivity at 40℃ after 10-hour＇ s reaction. It has excellent catalyst recyclability relative to Speier＇ s catalyst under the reaction conditions, after 25 times of reuse the catalyst has no loss in catalytic activity.

关 键 词： 微孔二氧化硅负载络合铂 硅氢加成 辛烯

领　　域： [理学] [理学]