Performance of Immobilized Quaternary Salt Catalysts in the Synthesis of Dimethyl Carbonate from Propylene Carbonate and Methanol

Kyung Hoon Kim; Young Son Choe; Hye Young Ju; Dae Won Park; Sang Wook Park

doi:10.4028/www.scientific.net/SSP.124-126.1753

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HomeSolid State PhenomenaSolid State Phenomena Vols. 124-126Performance of Immobilized Quaternary Salt...

Performance of Immobilized Quaternary Salt Catalysts in the Synthesis of Dimethyl Carbonate from Propylene Carbonate and Methanol

Abstract:

The synthesis of dimethyl carbonate(DMC) was investigated using four differently supported quaternary ammonium salt catalysts to facilitate their separation after the reaction. The different catalysts are (1) C1 on poly(ST-co-VBC), (2) C2 on poly(ST-DVB-VBC), (3) C3 on macroporous poly(ST-DVB-VBC), (4) C4 on modified MCM-41. The synthesis of DMC was performed in an autoclave under carbon dioxide pressure. The main byproduct was propylene glycol. The immobilized quaternary ammonium salt catalysts showed good catalytic activity for the synthesis of DMC. The order of the reactivity for the catalysts of different support was C1>C3>C2>C4. The catalysts can be reused for four successive runs without considerable loss of their initial reactivity.

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Periodical:

Solid State Phenomena (Volumes 124-126)

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1753-1756

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https://doi.org/10.4028/www.scientific.net/SSP.124-126.1753

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Online since:

June 2007

Authors:

Kyung Hoon Kim, Young Son Choe, Hye Young Ju, Dae Won Park, Sang Wook Park

Keywords:

Dimethyl Carbonate, Immobilisation, Porous Support, Propylene Carbonate, Quaternary Ammonium Salt, Transesterification

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