Delamination of lamellar phyllosilicate Magadiite  

作　　者：BI YunFei BLANCHARD J LAMBERT J-F MILLOT Y MAN P P ZENG ShuangQin NIE Hong LI DaDong LI MingFeng YANG QingHe CHEN XiaoXin 

机构地区：[1]Research Institute of Petroleum Processing, SINOPEC, Beijing 100083, China [2]UPMC Univ Paris 06, UMR 7197, Laboratoire de Reactivite de Surface, Paris F-75005, France [3]CNRS, UMR 7197, Laboratoire de Reactivite de Surface, Paris F-75005, France

出　　处：《Chinese Science Bulletin》2010年第23期2584-2588,共5页

摘　　要：In this paper,a new delaminated mesoporous material was prepared by swelling the lamellar phyllosilicate Magadiite using cetyltrimethylammonium bromide and tetrapropylammonium hydroxide solution,followed by delamination under the cavitation of ultrasonic treatment.Various characterization tools including XRD,N2 adsorption,NMR,IR,SEM and TEM were employed to observe its structure and morphology.XRD results show that the delaminated material has no long-range crystalline order.Furthermore,not only high surface area is obtained,but almost half of it is external surface.The observation for the morphology further reveals that it is made up of the random stacking of single or few layers.All these characters show that this delaminated mesoporous material meets the requirements for application as support in the hydrotreatment of heavy molecules.In this paper, a new delaminated mesoporous material was prepared by swelling the lamellar phyllosilicate Magadiite using cetyltrimethylammonium bromide and tetrapropylammonium hydroxide solution, followed by delamination under the cavitation of ultrasonic treatment. Various characterization tools including XRD, N2 adsorption, NMR, IR, SEM and TEM were employed to observe its structure and morphology. XRD results show that the delaminated material has no long-range crystalline order. Furthermore, not only high surface area is obtained, but almost half of it is external surface. The observation for the morphology further reveals that it is made up of the random stacking of single or few layers. All these characters show that this delaminated mesoporous material meets the requirements for application as support in the hydrotreatment of heavy molecules.

关 键 词：层状硅酸盐 脱层 片层 超声空化处理 透射电镜观察 形态观察 介孔材料 X射线衍射 

分 类 号：TB383.4[一般工业技术—材料科学与工程]