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Title:
【発明の名称】シリカ多孔体の製造方法
Document Type and Number:
Japanese Patent JP3322115
Kind Code:
B2
Abstract:
A process for manufacturing a silica porous material with high solid acidity, catalytic activity and adsorption ability as well as excellent crystallinity and heat resistance has the steps of adding a compound of metallic element such as Al to a waterglass, aging the resultant mixture, calcining the aged mixture to form a layered crystal, incorporating an organic substance between layers of the layered crystal, calcining the resultant layered crystal for crosslinking the layered crystal. By this process, a plurality of layers formed of SiO4 tetrahedral and metallic oxide constitute a silica porous material, and the gap between adjacent layers of the layered crystal is reduced at a crosslinking site, while the gap of the other portion is expanded to form a micro pore.

Inventors:
Yuri Yamada
Shinji Inagaki
Yoshiaki Fukushima
Application Number:
JP3564896A
Publication Date:
September 09, 2002
Filing Date:
January 29, 1996
Export Citation:
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Assignee:
Toyota Central R & D Labs.
International Classes:
B01J20/10; B01J21/08; B01J29/035; C01B33/12; C01B33/18; C01B33/20; C04B38/04; C01B33/26; C04B38/06; (IPC1-7): C01B33/12; B01J20/10; B01J29/035; C04B38/04; C04B38/06
Domestic Patent References:
JP867578A
JP834607A
JP4238810A
Other References:
CONG−YAN CHEN,Studies on mesoporous materials,Microporous Materials,1993年,vol.2 No.1,p.17−26
K.R.KLOESTRA,MCM−41 type materials with low Si/Al ratios,Catalysis Letters,1995年,vol.33 No.1,2,p.157−163
TSUNEO YANAGISAWA,The Preparation of Alkyltrimetylammonium−Kanemite Complexse and Their Conversion,Bulletin of the Chemical Society of Japan,1990年,vol.63,No.4,p.988−992
Attorney, Agent or Firm:
Yoshiyasu Takahashi