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Amorphous aluminosilicate catalysts for hydroxyalkylation of aniline and phenol

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Title: Amorphous aluminosilicate catalysts for hydroxyalkylation of aniline and phenol
Authors: Perego, C. carlo.perego@enitecnologie.eni.it, de Angelis, A.1, Carati, A.1, Flego, C.1, Millini, R.1, Rizzo, C.1, Bellussi, G.1
Source: Applied Catalysis A: General. Jun2006, Vol. 307 Issue 1, p128-136. 9p.
Subjects: Chemical inhibitors, Aromatic amines, Catalysis, Catalysts
Abstract: Abstract: Amorphous aluminosilicates with controlled porosity in the region of micro-pores (ERS-8, SA) and meso-pores (MCM-41, HMS and MSA) have been compared as catalysts in the hydroxyalkylation of phenol with acetone and of aniline with formaldehyde. The comparison has also included two commercial silica–alumina gels and H-Beta. In the hydroxylakylation of phenol with acetone to bisphenol A (BPA), the catalysts have been compared by batch test in terms of activity and selectivity. In the hydroxylakylation of aniline with formaldehyde, also the catalyst life has been investigated. As a general behavior, mesoporous aluminosilicates have evidenced better catalytic activity, selectivity and longer catalyst life than both microporous ones and commercial silica–alumina gels. In the hydroxyalkylation of aniline to methylenedianiline (MDA), mesoporous MSA have shown similar performances of H-Beta in term of MDA yields, but lower catalyst life. [Copyright &y& Elsevier]
Copyright of Applied Catalysis A: General is the property of Elsevier B.V. and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Engineering Source
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Header DbId: egs
DbLabel: Engineering Source
An: 20870252
AccessLevel: 6
PubType: Academic Journal
PubTypeId: academicJournal
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  Data: Amorphous aluminosilicate catalysts for hydroxyalkylation of aniline and phenol
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  Data: <searchLink fieldCode="AR" term="%22Perego%2C+C%2E%22">Perego, C.</searchLink><i> carlo.perego@enitecnologie.eni.it</i><br /><searchLink fieldCode="AR" term="%22de+Angelis%2C+A%2E%22">de Angelis, A.</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Carati%2C+A%2E%22">Carati, A.</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Flego%2C+C%2E%22">Flego, C.</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Millini%2C+R%2E%22">Millini, R.</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Rizzo%2C+C%2E%22">Rizzo, C.</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Bellussi%2C+G%2E%22">Bellussi, G.</searchLink><relatesTo>1</relatesTo>
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  Data: <searchLink fieldCode="JN" term="%22Applied+Catalysis+A%3A+General%22">Applied Catalysis A: General</searchLink>. Jun2006, Vol. 307 Issue 1, p128-136. 9p.
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  Data: <searchLink fieldCode="DE" term="%22Chemical+inhibitors%22">Chemical inhibitors</searchLink><br /><searchLink fieldCode="DE" term="%22Aromatic+amines%22">Aromatic amines</searchLink><br /><searchLink fieldCode="DE" term="%22Catalysis%22">Catalysis</searchLink><br /><searchLink fieldCode="DE" term="%22Catalysts%22">Catalysts</searchLink>
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  Data: Abstract: Amorphous aluminosilicates with controlled porosity in the region of micro-pores (ERS-8, SA) and meso-pores (MCM-41, HMS and MSA) have been compared as catalysts in the hydroxyalkylation of phenol with acetone and of aniline with formaldehyde. The comparison has also included two commercial silica–alumina gels and H-Beta. In the hydroxylakylation of phenol with acetone to bisphenol A (BPA), the catalysts have been compared by batch test in terms of activity and selectivity. In the hydroxylakylation of aniline with formaldehyde, also the catalyst life has been investigated. As a general behavior, mesoporous aluminosilicates have evidenced better catalytic activity, selectivity and longer catalyst life than both microporous ones and commercial silica–alumina gels. In the hydroxyalkylation of aniline to methylenedianiline (MDA), mesoporous MSA have shown similar performances of H-Beta in term of MDA yields, but lower catalyst life. [Copyright &y& Elsevier]
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  Data: <i>Copyright of Applied Catalysis A: General is the property of Elsevier B.V. and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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