An acid exchanged montmorillonite clay-catalyzed synthesis of polyepichlorhydrin

被引:49
作者
Yahiaoui, A [1 ]
Belbachir, M [1 ]
Hachemaoui, A [1 ]
机构
[1] Univ Oran, Fac Sci, Dept Chim, Lab Chim Polymeres, Elmenouer Oran 31000, Algeria
关键词
maghnite; montmorillonite; catalyst; epichlorhydrin; epoxides; polyepichlorhydrin; ring opening polymerization;
D O I
10.3390/i4100548
中图分类号
Q5 [生物化学]; Q7 [分子生物学];
学科分类号
071010 ; 081704 ;
摘要
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 degreesC. 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.
引用
收藏
页码:548 / 561
页数:14
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