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Please use this identifier to cite or link to this item: https://doi.org/10.1016/j.catcom.2011.03.034
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dc.titleAcidity and porosity modulation of MWW type zeolites for Nopol production by Prins condensation
dc.contributor.authorWang, J.
dc.contributor.authorJaenicke, S.
dc.contributor.authorChuah, G.K.
dc.contributor.authorHua, W.
dc.contributor.authorYue, Y.
dc.contributor.authorGao, Z.
dc.date.accessioned2014-06-23T05:31:20Z
dc.date.available2014-06-23T05:31:20Z
dc.date.issued2011-07-01
dc.identifier.citationWang, J., Jaenicke, S., Chuah, G.K., Hua, W., Yue, Y., Gao, Z. (2011-07-01). Acidity and porosity modulation of MWW type zeolites for Nopol production by Prins condensation. Catalysis Communications 12 (12) : 1131-1135. ScholarBank@NUS Repository. https://doi.org/10.1016/j.catcom.2011.03.034
dc.identifier.issn15667367
dc.identifier.urihttp://scholarbank.nus.edu.sg/handle/10635/75517
dc.description.abstractPrins condensation of β-pinene with paraformaldehyde was carried out over MCM-22, delaminated ITQ-2 and silica pillared MCM-36. The mesopore-containing MCM-36 and ITQ-2 catalysts exhibit higher conversion of β-pinene due to more exposed acid sites. Lewis acid sites are responsible for Prins condensation while Brønsted acid sites favor the isomerization of pinene. The Brønsted acid sites can be removed mostly by ion-exchanging the zeolites with sodium cations. Thus, NaMWW zeolites had a higher selectivity towards Nopol. Of these, NaITQ-2 showed the highest activity and selectivity, and is a stable and reusable catalyst for production of Nopol. © 2011 Elsevier B.V. All rights reserved.
dc.description.urihttp://libproxy1.nus.edu.sg/login?url=http://dx.doi.org/10.1016/j.catcom.2011.03.034
dc.sourceScopus
dc.subjectExposed acid sites
dc.subjectLewis acid sites
dc.subjectMWW zeolites
dc.subjectNopol
dc.subjectPrins condensation
dc.typeArticle
dc.contributor.departmentCHEMISTRY
dc.description.doi10.1016/j.catcom.2011.03.034
dc.description.sourcetitleCatalysis Communications
dc.description.volume12
dc.description.issue12
dc.description.page1131-1135
dc.identifier.isiut000292120300018
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