The Role of Oil−Water Microinterface in Immobilized Phase-Transfer Catalysis

Under two-liquid conditions, the third phase formed by linear-polystyrene-based cationic ionomers and the corresponding single-network ionomer gels absorbed the soluble quaternary salts either from the oil phase or from the aqueous solution. Polystyrene-based IPN gels, in which one network contained...

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Veröffentlicht in:	Industrial & engineering chemistry research 2003-11, Vol.42 (24), p.5983-5987
Hauptverfasser:	Ohtani, Noritaka, Ohta, Tomoaki, Watanabe, Kohji, Endo, Kiyoto, Mukudai, Jun
Format:	Artikel
Sprache:	eng
Schlagworte:	Catalysis Catalytic reactions Chemistry Exact sciences and technology General and physical chemistry Theory of reactions, general kinetics. Catalysis. Nomenclature, chemical documentation, computer chemistry
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container_title	Industrial & engineering chemistry research
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creator	Ohtani, Noritaka Ohta, Tomoaki Watanabe, Kohji Endo, Kiyoto Mukudai, Jun
description	Under two-liquid conditions, the third phase formed by linear-polystyrene-based cationic ionomers and the corresponding single-network ionomer gels absorbed the soluble quaternary salts either from the oil phase or from the aqueous solution. Polystyrene-based IPN gels, in which one network contained quaternary salts and another benzyl chlorides, were compared in terms of the feasibility of esterification of the chloromethyl groups in addition to the triphase catalysis (TPC) activities. IPN gels afforded not only very poor TPC activities but also slow esterification. Single-network gels, on the other hand, showed high TPC activities and high esterification rates. When decane was used as the oil, the TPC activity was increased, while the esterification became slower.
doi_str_mv	10.1021/ie030147+
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title	The Role of Oil−Water Microinterface in Immobilized Phase-Transfer Catalysis
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