Synthesis of nano-zeolite IM-5 by hydrothermal method with the aid of PEG and CTAB

被引：32
|
作者：
Wang, Lei [1 ,2 ]
Yang, Weiya [2 ]
Xin, Chunling [1 ]
Ling, Fengxiang [2 ]
Sun, Wanfu [2 ]
Fang, Xiangchen [2 ]
Yang, Ruochen [1 ,2 ]
机构：
[1] Liaoning Shihua Univ, Sch Chem & Mat Sci, Fushun 113001, Peoples R China
[2] SINOPEC, Fushun Res Inst Petr & Petrochem, Fushun 113001, Peoples R China
来源：
MATERIALS LETTERS | 2012年 / 69卷
关键词：
Nanosize; Nanoparticles; Zeolite IM-5; Surfactant;
D O I：
10.1016/j.matlet.2011.11.073
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Nano IM-5 zeolite was successfully synthesized by hydrothermal method using 1,5-bis(N-methylpyrrolidinium) pentane bromide as structure-directing-agent and polyethylene glycol (PEG) and cetyltrimethylammonium bromide (CTAB) as surfactants. It was investigated by X-ray diffraction, transmission electron microscopy, selected area electron diffraction, N-2 sorption isotherms and solid-state NMR. The results indicate that the PEG and CTAB play an important role during the formation of nano crystal IM-5 zeolite. The aggregates of nano particles with mean size about 35 nm have large surface area than that of micron-sized sample. The solid-state Si-29 NMR spectrum shows that more silanol group defects were observed in the nano crystals. (C) 2011 Elsevier B.V. All rights reserved.
引用
收藏
页码：16 / 19
页数：4
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