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Molecules 2004, 9(11), 968-977; doi:10.3390/91100968
Article

Preparation of Poly(oxybutyleneoxymaleoyl) Catalyzed by a Proton Exchanged Montmorillonite Clay

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Received: 12 July 2004 / Accepted: 6 September 2004 / Published: 30 November 2004
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Abstract

The polycondensation of tetrahydrofuran with maleic anhydride catalyzed byMaghnite-H+ (Mag-H) was investigated. Maghnite is a montmorillonite sheet silicateclay that is exchanged with protons to produce Maghnite-H [1]. It was found that thepolymerization in bulk is initiated by Mag-H in the presence of acetic anhydride at 40°C.The effects of the amounts of Mag-H and acetic anhydride were studied. Thepolymerization yield increased as the proportions of catalyst and acetic anhydride wereincreased.
Keywords: Maghnite; maleic anhydride; montmorillonite; tetrahydrofuran. Maghnite; maleic anhydride; montmorillonite; tetrahydrofuran.
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Ferrahi, M.I.; Belbachir, M. Preparation of Poly(oxybutyleneoxymaleoyl) Catalyzed by a Proton Exchanged Montmorillonite Clay. Molecules 2004, 9, 968-977.

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