Journal
JOURNAL OF POLYMER SCIENCE PART A-POLYMER CHEMISTRY
Volume 40, Issue 17, Pages 2994-3000Publisher
JOHN WILEY & SONS INC
DOI: 10.1002/pola.10385
Keywords
emulsion polymerization; latex properties; polymerizable surfactant; surfmer; water absorption; surfactant migration; FT-IR (ATR)
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In this article the results obtained with latexes prepared by emulsion polymerization with a conventional surfactant and a polymerizable surfactant (surfmer) are presented. For this study, well-defined styrene-butylacrylate latexes with a conventional nonreactive surfactant (sodium dodecyl sulfate) and a maleate diester surfmer, of which films can be easily cast, were used. The latex with the surfmer was prepared following a surfmer addition strategy to maximize the amount of surfmer bound to the particle surface, and not buried in the particle interior. The latex properties in terms of mechanical stability, film-water absorption, and film-surfactant exudation were assessed and compared. The mechanical stability and water-absorption properties of the latex prepared with surfmer were better than those of the latex with sodium dodecyl sulfate. Additionally, by using a surfmer the surfactant migration to the film-substrate and film-air interfaces can be inhibited. (C) 2002 Wiley Periodicals, Inc.
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