Simplified synthesis of micropore-free mesoporous silica, SBA-15, under microwave-hydrothermal conditions

被引：47

作者：

Newalkar, BL ^{[1
]}

Komarneni, S ^{[1
]}

机构：

[1] Penn State Univ, Mat Res Lab, Inst Mat Res, University Pk, PA 16802 USA

来源：

CHEMICAL COMMUNICATIONS | 2002年 / 16期

关键词：

D O I：

10.1039/b202152h

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Synthesis of micropore-free hydrothermally stable mesoporous silica SBA-15 has been accomplished by templating a silica precursor (sodium silicate/tetraethylorthosilicate) with pluronic123 copolymer (EO20PO70EO20; M.W. 5,800) in the presence of cosolvent (ethanol) using a minimum salt (sodium chloride) content, under microwave-hydrothermal conditions at 373 K in 120 mins.

引用

页码：1774 / 1775

页数：2

共 19 条

[1] Microwave techniques in the synthesis and modification of zeolite catalysts. A review [J].

Cundy, CS .

COLLECTION OF CZECHOSLOVAK CHEMICAL COMMUNICATIONS, 1998, 63 (11) :1699-1723

[2] True microporosity and surface area of mesoporous SBA-15 silicas as a function of synthesis temperature [J].

Galarneau, A ;

Cambon, H ;

Di Renzo, F ;

Fajula, F .

LANGMUIR, 2001, 17 (26) :8328-8335

[3] Existence of a microporous corona around the mesopores of silica-based SBA-15 materials templated by triblock copolymers [J].

Impéror-Clerc, M ;

Davidson, P ;

Davidson, A .

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 2000, 122 (48) :11925-11933

[4] Application of large pore MCM-41 molecular sieves to improve pore size analysis using nitrogen adsorption measurements [J].

Kruk, M ;

Jaroniec, M ;

Sayari, A .

LANGMUIR, 1997, 13 (23) :6267-6273

[5]

Liu Z, 2001, CHEMPHYSCHEM, V2, P229, DOI 10.1002/1439-7641(20010417)2:4<229::AID-CPHC229>3.0.CO

[6]

2-G

[7] Toward the synthesis of extra-large-pore MCM-41 analogues [J].

Matos, JR ;

Mercuri, LP ;

Kruk, M ;

Jaroniec, M .

CHEMISTRY OF MATERIALS, 2001, 13 (05) :1726-1731

[8] Control of the microporosity within the pore walls of ordered mesoporous silica SBA-15 [J].

Miyazawa, K ;

Inagaki, S .

CHEMICAL COMMUNICATIONS, 2000, (21) :2121-2122

[9] Rapid synthesis of mesoporous SBA-15 molecular sieve by a microwave-hydrothermal process [J].

Newalkar, BL ;

Komarneni, S ;

Katsuki, H .

CHEMICAL COMMUNICATIONS, 2000, (23) :2389-2390

[10] Control over microporosity of ordered microporous-mesoporous silica SBA-15 framework under microwave-hydrothermal conditions: Effect of salt addition [J].

Newalkar, BL ;

Komarneni, S .

CHEMISTRY OF MATERIALS, 2001, 13 (12) :4573-4579

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