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An Acid Exchanged Montmorillonite Clay-Catalyzed Synthesis of Polyepichlorhydrin
Laboratoire de Chimie des Polymères, Département de Chimie, Faculté des Sciences, Université d’Oran, BP 1524 El’Menouer Oran 31000 Algérie
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Received: 8 April 2003; Accepted: 2 September 2003 / Published: 30 September 2003
Abstract: “Maghnite”, a montmorillonite sheet silicate clay, exchanged with protons to produce “H-Maghnite” is an efficient catalyst for cationic polymerisation of many heterocyclic and vinylic monomers (Belbachir, M. U.S. Patent. 066969.0101 –2001). The structural compositions of both “Maghnite” and “H-Maghnite” have already been determined. Epichlorhydrin monomer, which is polymerizable by a cationic process (Odian,G. La Polymerisation: Principes et Applications; Ed.Technica: New York, 1994; pp 222-226), was used to elucidate the polymerization cationic character. The polymerization was performed under optimum conditions at 20°C. Experiments revealed that the polymerisation induced by “H-Maghnite” proceeds in bulk. In bulk polymerization, Epichlorhydrin conversion increases with increasing “H-Maghnite” concentration and temperature.
Keywords: Maghnite; Montmorillonite; Catalyst; Epichlorhydrin; Epoxides; Polyepichlorhydrin; Ring Opening Polymerization
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Yahiaoui, A.; Belbachir, M.; Hachemaoui, A. An Acid Exchanged Montmorillonite Clay-Catalyzed Synthesis of Polyepichlorhydrin. Int. J. Mol. Sci. 2003, 4, 548-561.
Yahiaoui A, Belbachir M, Hachemaoui A. An Acid Exchanged Montmorillonite Clay-Catalyzed Synthesis of Polyepichlorhydrin. International Journal of Molecular Sciences. 2003; 4(10):548-561.
Yahiaoui, Ahmed; Belbachir, Mohammed; Hachemaoui, Aïcha. 2003. "An Acid Exchanged Montmorillonite Clay-Catalyzed Synthesis of Polyepichlorhydrin." Int. J. Mol. Sci. 4, no. 10: 548-561.