Int. J. Mol. Sci. 2003, 4(6), 312-325; https://doi.org/10.3390/i4060312
Polycondensation of Tetrahydrofuran with Phthalic Anhydride Induced By a Proton Exchanged Montmorillonite Clay
Laboratoire de Chimie des Polymères, Département de Chimie, Faculté des Sciences, Université d’Oran Es-Sènia BP N° 1524 El M’Naouar, 31000, Oran, Algeria
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Received: 1 February 2003 / Accepted: 5 March 2003 / Published: 31 May 2003
Abstract
“Maghnite” a montmorillonite sheet silicate clay, exchanged with protons to produce “H-Maghnite” is an efficient catalyst for polymerization of many vinylic and heterocyclic monomers (Belbachir, M. U.S. Patent. 066969.0101 –2001). The structure compositions of both “Maghnite” and “H-Maghnite” have been developed. This catalyst was used for the polycondensation of the tetrahydrofuran with phthalic anhydride. The polymerization was performed under suitable conditions at temperature (40°C), in presence of acetic anhydride. Experiments revealed that polymerization induced by “H-Maghnite”, proceed in bulk and the conversion increases with increasing “H-Maghnite” proportion. View Full-TextKeywords:
Anhydride; Maghnite; Montmorillonite; Phthalic; Tetrahydrofuran
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Ferrahi, M.I.; Belbachir, M. Polycondensation of Tetrahydrofuran with Phthalic Anhydride Induced By a Proton Exchanged Montmorillonite Clay. Int. J. Mol. Sci. 2003, 4, 312-325.
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