Next Article in Journal
Previous Article in Journal
Int. J. Mol. Sci. 2002, 3(7), 790-800; doi:10.3390/i3070790
Article

A Protons Exchanged Montmorillonite Clay as an Efficient Catalyst for the Reaction of Isobutylene Polymerization

* ,  and
Received: 27 April 2002; Accepted: 13 May 2002 / Published: 31 July 2002
Download PDF [115 KB, uploaded 19 June 2014]
Abstract: “Maghnite” a montmorillonite sheet silicate clay, exchanged with protons to produce “H-Maghnite” is an efficient catalyst for cationic 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. Isobutylene monomer, wich is polymerizable only by cationic process (Odian,G. La Polymerisation :principes et Applications; Ed.Technica: New York, 1994; pp 222-226), was used to elucidate the cationic character of polymerization. The polymerization was performed under suitable conditions at isobutylene vaporization temperature (–7°C). Experiments revealed that polymerization induced by “H-Maghnite” proceed in bulk and in solution. In contrast to findings with methylene chloride CH2Cl2 as a polar solvent, polymerization yields with hexane C6H14 non-polar solvent is very significant. In bulk polymerization, Isobutylene conversion increases with increasing “H-Maghnite” proportion.
Keywords: Maghnite; Montmorillonite; Catalyst; Isobutylene; Polyisobutylene Maghnite; Montmorillonite; Catalyst; Isobutylene; Polyisobutylene
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Export to BibTeX |
EndNote


MDPI and ACS Style

Harrane, A.; Meghabar, R.; Belbachir, M. A Protons Exchanged Montmorillonite Clay as an Efficient Catalyst for the Reaction of Isobutylene Polymerization. Int. J. Mol. Sci. 2002, 3, 790-800.

AMA Style

Harrane A, Meghabar R, Belbachir M. A Protons Exchanged Montmorillonite Clay as an Efficient Catalyst for the Reaction of Isobutylene Polymerization. International Journal of Molecular Sciences. 2002; 3(7):790-800.

Chicago/Turabian Style

Harrane, Amine; Meghabar, Rachid; Belbachir, Mohammed. 2002. "A Protons Exchanged Montmorillonite Clay as an Efficient Catalyst for the Reaction of Isobutylene Polymerization." Int. J. Mol. Sci. 3, no. 7: 790-800.


Int. J. Mol. Sci. EISSN 1422-0067 Published by MDPI AG, Basel, Switzerland RSS E-Mail Table of Contents Alert