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Ionic liquid as surfactant in microwave-assisted emulsion polymerization.

Ionic liquid as surfactant in microwave-assisted emulsion polymerization.

Authors :
Costa, Cristiane
Santos, Verusca H. S.
Dariva, Claudio
Santos, Alexandre F.
Fortuny, Montserrat
Araujo, Pedro H. H.
Sayer, Claudia
Source :
Journal of Applied Polymer Science; Jan2013, Vol. 127 Issue 1, p448-455, 8p
Publication Year :
2013

Abstract

The aim of this work is to study the use of an ionic liquid (IL) as surfactant in emulsion polymerization reactions and to evaluate its effect when these reactions are heated under microwave irradiation. The IL 1- n-dodecyl-3-methylimidazolium chloride was chosen to replace the surfactant dodecyltrimethylammonium bromide (DTAB) in methyl methacrylate emulsion polymerizations. The conversion evolutions and the final average diameter of polymeric particles were quite similar for reactions using the surfactant DTAB or the IL, showing that the IL acted efficiently as surfactant in emulsion polymerizations. Comparing the polymerization reactions performed under microwave irradiation and conventional heating, reaction rate enhancements were obtained for both DTAB and IL. Using a pulsed scheme, under high-power microwave irradiation, slightly higher reaction rates and molecular weights were obtained in reactions using IL, in comparison with surfactant DTAB, indicating the existence of some specific effects linked to IL-microwaves interaction. © 2012 Wiley Periodicals, Inc. J. Appl. Polym. Sci., 2012 [ABSTRACT FROM AUTHOR]

Details

Language :
English
ISSN :
00218995
Volume :
127
Issue :
1
Database :
Complementary Index
Journal :
Journal of Applied Polymer Science
Publication Type :
Academic Journal
Accession number :
82300134
Full Text :
https://doi.org/10.1002/app.37748