Impregnation of tungstophosphoric acid on poly(methacrylamide-co-methyl methacrylate) and its acid catalytic activity in TMB alkylation

Dae Won Lee, Jung Jun Oh, Young Moo Park, Hee Jun Eom, Sung Ho Yeom, In Kyu Song, Kwan Young Lee

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

A poly(methacrylamide-co-methylmethacrylate) (abbreviated PMAA-MMA) polymer support was studied for supporting a heteropolyacid (tungstophosphoric acid, H3PW12O40) with its surface positively charged in the polymerization step. PMAA-MMA supports could be obtained in a porous form by eliminating template reagent molecules (benzylmalonic acid) combined with properly selected monomer (methacrylamide). The amount of amine groups in PMAA-MMA directly determined the amount of H3PW12O 40 impregnated, because the amine groups induced a positive charge on the PMAA-MMA surface. Finally, H3PW12O 40/PMAA-MMA showed better acid catalytic activities than unsupported H3PW12O40 in alkylation of 1,3,5- trimethylbenzene with cyclohexene, which confirmed that PMAA-MMA supported H3PW12O40 effectively.

Original languageEnglish
Pages (from-to)817-825
Number of pages9
JournalResearch on Chemical Intermediates
Volume34
Issue number8-9
DOIs
Publication statusPublished - 2008 Oct 1

Fingerprint

Methacrylates
Alkylation
Impregnation
Catalyst activity
Acids
Amines
Methylmethacrylate
methacrylamide
polymethacrylic acid
Polymers
Monomers
Polymerization
Molecules

Keywords

  • 1,3,5-trimethylbenzene
  • Cyclohexene
  • Heteropolyacid
  • Poly(methacrylamide-co- methylmethacrylate)
  • Tungstophosphoric acid

ASJC Scopus subject areas

  • Chemistry(all)

Cite this

Impregnation of tungstophosphoric acid on poly(methacrylamide-co-methyl methacrylate) and its acid catalytic activity in TMB alkylation. / Lee, Dae Won; Oh, Jung Jun; Park, Young Moo; Eom, Hee Jun; Yeom, Sung Ho; Song, In Kyu; Lee, Kwan Young.

In: Research on Chemical Intermediates, Vol. 34, No. 8-9, 01.10.2008, p. 817-825.

Research output: Contribution to journalArticle

Lee, Dae Won ; Oh, Jung Jun ; Park, Young Moo ; Eom, Hee Jun ; Yeom, Sung Ho ; Song, In Kyu ; Lee, Kwan Young. / Impregnation of tungstophosphoric acid on poly(methacrylamide-co-methyl methacrylate) and its acid catalytic activity in TMB alkylation. In: Research on Chemical Intermediates. 2008 ; Vol. 34, No. 8-9. pp. 817-825.
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AU - Eom, Hee Jun

AU - Yeom, Sung Ho

AU - Song, In Kyu

AU - Lee, Kwan Young

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AB - A poly(methacrylamide-co-methylmethacrylate) (abbreviated PMAA-MMA) polymer support was studied for supporting a heteropolyacid (tungstophosphoric acid, H3PW12O40) with its surface positively charged in the polymerization step. PMAA-MMA supports could be obtained in a porous form by eliminating template reagent molecules (benzylmalonic acid) combined with properly selected monomer (methacrylamide). The amount of amine groups in PMAA-MMA directly determined the amount of H3PW12O 40 impregnated, because the amine groups induced a positive charge on the PMAA-MMA surface. Finally, H3PW12O 40/PMAA-MMA showed better acid catalytic activities than unsupported H3PW12O40 in alkylation of 1,3,5- trimethylbenzene with cyclohexene, which confirmed that PMAA-MMA supported H3PW12O40 effectively.

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