High activity of layered zeolite ITQ-2 as catalyst for the hydroxyalkylation of 2-methoxynaphthalene and naphthalene with paraformaldehyde.: Comparison of its performance with that of conventional zeolites or mesoporous Al/MCM-41

被引：25

作者：

Corma, A ^{[1
]}

García, H ^{[1
]}

Miralles, J ^{[1
]}

机构：

[1] Univ Politecn Valencia, CSIC, Inst Tecnol Quim, Valencia 46022, Spain

来源：

MICROPOROUS AND MESOPOROUS MATERIALS | 2001年 / 43卷 / 02期

关键词：

ITQ-2; catalyst; delayered zeolite catalysts; hydroxyalkylation catalysed by zeolites; hydroxyalkylation of aromatics by delaminated zeolites; delaminated zeolites for fine chemicals production;

D O I：

10.1016/S1387-1811(00)00359-0

中图分类号：

O69 [应用化学];

学科分类号：

081704 ;

摘要：

The performance of a series of solid acids including conventional zeolites (HY, mordenite, and ZSM-5), mesoporous A1/MCM-41 aluminosilicate and amorphous SiO2/Al2O3 (25 wt.%) has been compared with that of the novel layered zeolite ITQ-2 for the liquid-phase condensation of 2-methoxynaphthalene and naphthalene with paraformaldehyde to form dinaphthylmethane derivatives. It was found that ITQ-2 exhibits the highest catalytic activity of this series. The catalytic efficiency of ITQ-2 arises from the balanced combination of higher acid strength than A1/MCM-41 and silica-aluminas, and easier accessibility of its sites than for microporous zeolites. (C) 2001 Elsevier Science B.V. All rights reserved.

引用

页码：161 / 169

页数：9

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