钛硅沸石合成中各组分作用研究  

FUNCTION OF TPABr, n-BUTYLAMINE AND SEEDS IN SYNTHESIS OF TITANIUM SILICALITE

作　　者：李钢[1] 郭新闻 王祥生 李光岩 赵琦[2] 包信和[2] 林励吾[2] 

机构地区：[1]大连理工大学碳资源综合利用开放实验室,大连116012 [2]中国科学院大连化学物理研究所,大连116023

出　　处：《燃料化学学报》1999年第6期565-567,共3页Journal of Fuel Chemistry and Technology

基　　金：中国石油化工集团公司和国家自然科学基金! (重大项目 2 9792 0 71)

摘　　要：1983年Ｔａｒａｍａｓｓｏ等[1]报导了钛硅沸石ＴＳ-1的合成。由于在用稀Ｈ2Ｏ2为氧化剂的低温氧化反应中ＴＳ-1的突出催化性能,所以近年来钛硅沸石的合成、表征及催化应用研究一直是热点课题。经典的钛硅沸石合成需要采用昂贵的模板剂-不含碱金属离子的四丙基氢氧化铵(Ｔ...Titanium silicalite TS-1 was synthesized in the presence of tetrapropylammonium bromide (TPABr) and n-butylamine Function of TPABr, n-butylamine and seeds was investigated using 1H 13 C CP/MAS NMR, XRD, epoxidation of propylene etc It has been shown that TPABr is the unique template when TPABr/SiO 2 exceeds 0 05 But when the ratio decreases to 0 03, both TPABr and n-butylamine can take the role of template While TS-1 synthesized at TPABr/SiO 2=0 03 exhibits poorer performance in epoxidation of propylene The main function of n-butylamine is to adjust the basicity of the gel and improve the crystallization of TS-1 All of TS-1, M, ZSM-11 and β zeolite can be the seeds to synthesize TS-1 and they do not induce other crystals besides TS-1 The function of seeds is to afford the nuclei and reduce the nucleation period

关 键 词：钛硅沸石 催化 沸石 合成 丙烯 环氧化 

分 类 号：TQ221.212[化学工程—有机化工] TQ426.94