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

Author(s): Mohammed Issam Ferrahi | Mohammed Belbachir

Journal: Molecules
ISSN 1420-3049

Volume: 9;
Issue: 11;
Start page: 968;
Date: 2004;
Original page

Keywords: Maghnite | maleic anhydride | montmorillonite | tetrahydrofuran.

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.
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