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Influence of Mesoporous Silica Properties on Cyclic Carbonate Synthesis Catalysed by Supported Aluminium(Salen) Complexes

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JournalAdvanced Synthesis and Catalysis
DateAccepted/In press - 24 Oct 2018
DateE-pub ahead of print (current) - 1 Nov 2018
Number of pages11
Pages (from-to)1-11
Early online date1/11/18
Original languageEnglish

Abstract

By modification of pore size and morphology, pore-expanded variants of SBA-15 and KIT-6 have been utilised as mesoporous silica supports for the immobilisation of a bimetallic aluminium-salen complex. The performance of the resulting heterogeneous catalysts in the synthesis of cyclic carbonates from carbon dioxide and terminal epoxides was assessed. Support materials which retained higher pore volume and surface areas after catalyst immobilisation demonstrated enhanced conversions to the desired cyclic carbonates. This was rationalised to be a consequence of the promotion of reactant mass transport through a less-inhibited pore structure. (Figure presented.).

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© 2018 Wiley-VCH Verlag GmbH & Co. KGaA, Weinheim. This is an author-produced version of the published paper. Uploaded in accordance with the publisher’s self-archiving policy. Further copying may not be permitted; contact the publisher for details.

    Research areas

  • Aluminium(salen), Carbon dioxide fixation, Cyclic carbonate, Epoxide, Heterogeneous catalysis, Mesoporous silica

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