Preparation of H3PMo12O40 catalyst immobilized on polystyrene support and its application to the methacrolein oxidation

Heesoo Kim; Ji Chul Jung; Sung Ho Yeom; Kwan Young Lee; In Kyu Song

doi:10.1016/j.molcata.2005.12.011

Preparation of H₃PMo₁₂O₄₀ catalyst immobilized on polystyrene support and its application to the methacrolein oxidation

Heesoo Kim, Ji Chul Jung, Sung Ho Yeom, Kwan Young Lee, In Kyu Song

Department of Chemical and Biological Engineering

Research output: Contribution to journal › Article

6 Citations (Scopus)

Abstract

H₃PMo₁₂O₄₀ (PMo) catalyst was immobilized on the aminated polystyrene (PS) support as a charge compensating component, by taking advantage of the overall negative charge of [PMo₁₂O ₄₀]^3-. It was revealed that PMo catalyst was finely and molecularly dispersed on the PS support via chemical immobilization. The supported H₃PMo₁₂O₄₀-polystyrene (PMo-PS) catalyst was applied to the vapor-phase oxidation of methacrolein into methacrylic acid, a typical surface-type reaction. The PMo-PS catalyst exhibited higher conversion of methacrolein and higher selectivity for methacrylic acid than the unsupported PMo catalyst. It is concluded that [PMo₁₂O ₄₀]^3- species were chemically and finely immobilized on the PS support as charge matching species, and thus, the PMo-PS catalyst showed an excellent oxidation activity in the model surface-type reaction.

Original language	English
Pages (from-to)	21-25
Number of pages	5
Journal	Journal of Molecular Catalysis A: Chemical
Volume	248
Issue number	1-2
DOIs	https://doi.org/10.1016/j.molcata.2005.12.011
Publication status	Published - 2006 Apr 3

Keywords

Chemical immobilization
Heteropolyacid catalyst
Methacrolein
Oxidation
Polystyrene support

ASJC Scopus subject areas

Catalysis
Process Chemistry and Technology
Physical and Theoretical Chemistry

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Kim, H., Jung, J. C., Yeom, S. H., Lee, K. Y., & Song, I. K. (2006). Preparation of H₃PMo₁₂O₄₀ catalyst immobilized on polystyrene support and its application to the methacrolein oxidation. Journal of Molecular Catalysis A: Chemical, 248(1-2), 21-25. https://doi.org/10.1016/j.molcata.2005.12.011

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title = "Preparation of H3PMo12O40 catalyst immobilized on polystyrene support and its application to the methacrolein oxidation",

abstract = "H3PMo12O40 (PMo) catalyst was immobilized on the aminated polystyrene (PS) support as a charge compensating component, by taking advantage of the overall negative charge of [PMo12O 40]3-. It was revealed that PMo catalyst was finely and molecularly dispersed on the PS support via chemical immobilization. The supported H3PMo12O40-polystyrene (PMo-PS) catalyst was applied to the vapor-phase oxidation of methacrolein into methacrylic acid, a typical surface-type reaction. The PMo-PS catalyst exhibited higher conversion of methacrolein and higher selectivity for methacrylic acid than the unsupported PMo catalyst. It is concluded that [PMo12O 40]3- species were chemically and finely immobilized on the PS support as charge matching species, and thus, the PMo-PS catalyst showed an excellent oxidation activity in the model surface-type reaction.",

keywords = "Chemical immobilization, Heteropolyacid catalyst, Methacrolein, Oxidation, Polystyrene support",

author = "Heesoo Kim and Jung, {Ji Chul} and Yeom, {Sung Ho} and Lee, {Kwan Young} and Song, {In Kyu}",

year = "2006",

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T1 - Preparation of H3PMo12O40 catalyst immobilized on polystyrene support and its application to the methacrolein oxidation

AU - Kim, Heesoo

AU - Jung, Ji Chul

AU - Yeom, Sung Ho

AU - Lee, Kwan Young

AU - Song, In Kyu

PY - 2006/4/3

Y1 - 2006/4/3

N2 - H3PMo12O40 (PMo) catalyst was immobilized on the aminated polystyrene (PS) support as a charge compensating component, by taking advantage of the overall negative charge of [PMo12O 40]3-. It was revealed that PMo catalyst was finely and molecularly dispersed on the PS support via chemical immobilization. The supported H3PMo12O40-polystyrene (PMo-PS) catalyst was applied to the vapor-phase oxidation of methacrolein into methacrylic acid, a typical surface-type reaction. The PMo-PS catalyst exhibited higher conversion of methacrolein and higher selectivity for methacrylic acid than the unsupported PMo catalyst. It is concluded that [PMo12O 40]3- species were chemically and finely immobilized on the PS support as charge matching species, and thus, the PMo-PS catalyst showed an excellent oxidation activity in the model surface-type reaction.

AB - H3PMo12O40 (PMo) catalyst was immobilized on the aminated polystyrene (PS) support as a charge compensating component, by taking advantage of the overall negative charge of [PMo12O 40]3-. It was revealed that PMo catalyst was finely and molecularly dispersed on the PS support via chemical immobilization. The supported H3PMo12O40-polystyrene (PMo-PS) catalyst was applied to the vapor-phase oxidation of methacrolein into methacrylic acid, a typical surface-type reaction. The PMo-PS catalyst exhibited higher conversion of methacrolein and higher selectivity for methacrylic acid than the unsupported PMo catalyst. It is concluded that [PMo12O 40]3- species were chemically and finely immobilized on the PS support as charge matching species, and thus, the PMo-PS catalyst showed an excellent oxidation activity in the model surface-type reaction.

KW - Chemical immobilization

KW - Heteropolyacid catalyst

KW - Methacrolein

KW - Oxidation

KW - Polystyrene support

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