Synthesis of Ti-Beta via mechanochemical route

被引：21

作者：

Borjas, Salomon E. Garcia ^{[1
]}

Yamamoto, Katsutoshi ^{[1
]}

Muramatsu, Atsushi ^{[1
]}

机构：

[1] Tohoku Univ, Inst Multidisciplinary Res Adv Mat, Aoba Ku, Sendai, Miyagi 9800855, Japan

来源：

JOURNAL OF MATERIALS SCIENCE | 2008年 / 43卷 / 07期

关键词：

D O I：

10.1007/s10853-007-2104-x

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

A *BEA-type titanosilicate, Ti-Beta, has been synthesized by a new method using mechanochemical reaction. In this new synthesis method, titania and silica powders are used as source materials and ground by using a planetary ball mill. Thus obtained silica-titania composite is hydrothermally treated in the presence of tetraethylammonium fluoride as a structure-directing agent to obtain a Ti-Beta material. The titanosilicate samples obtained are characterized by powder X-ray diffractometry and UV-visible spectroscopy. The crystallization behaviors and the catalytic activities of Ti-Beta materials synthesized by this new method are compared with those synthesized conventionally from silicon and titanium alkoxides.

引用

页码：2367 / 2371

页数：5

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