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HERO ID
4721238
Reference Type
Journal Article
Title
Role of Surfactants in Emulsion Polymerization Polymers by design
Author(s)
Dimonie, VL; Sudol, ED; El-Aasser, MS
Year
2008
Is Peer Reviewed?
1
Journal
Revista de Chimie
ISSN:
0034-7752
EISSN:
2668-8212
Volume
59
Issue
11
Page Numbers
1218-1221
Web of Science Id
WOS:000261748400013
Abstract
The determination of an emulsifier's adsorption properties under conditions similar to those occurring during emulsion polymerization can provide important information to aid in the selection of the most appropriate surfactant for a given system. Results show that the latex particle size is dependent on the strength of emulsifier adsorption (Delta E(ads)) at the particle/aqueous phase interface and is a function of the polymer polarity. Use of reactive surfactants can improve latex characteristics by reducing the desorption and migration of surfactant to film interfaces and minimize film water sensitivity. The fraction of bound surfactant can be maximized by using relatively low emulsifier concentrations and higher initiator concentrations.
Keywords
emulsion polymerization; latex; film water sensitivity
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