Paper Title:
Synthesis and Characterization of Polysulfobetaines and their Random Copolymers
  Abstract

[3-(Methacryloylamino) propyl) dimethyl (3-sulfopropyl) ammonium hydroxide] polymer, known as poly (MPDSAH), and the random copolymers based on methyl methacrylate (MMA), methacryloxyethyltrimethylammonium (METAC) and 3-sulfopropyl methacrylate potassium (SPMA) were synthesized via Reversible Addition-Fragmentation Chain Transfer (RAFT) polymerization technique. Solution properties of these (co) polymers in response to temperature and ionic strength have been studied using dynamic light scattering (DLS). For poly (MPDSAH), polymer size decreased from 500 nm to 10 nm (in diameter) when the polymer aqueous solution was heated up from 15°C to 60°C or added 20 mM sodium chloride. The solution behaviour of poly (METAC-stat-MMA-stat-SPMA) is opposite to that of poly (MPDSAH): the size of polymer increased from 10 nm to 20 nm (in diameter) depending upon the elevating temperature or the addition of salt.

  Info
Periodical
Edited by
B. J. Ruck and T. Kemmitt
Pages
219-222
DOI
10.4028/www.scientific.net/MSF.700.219
Citation
Y. W. Pei, J. Travas-Sejdic, D. E. Williams, "Synthesis and Characterization of Polysulfobetaines and their Random Copolymers", Materials Science Forum, Vol. 700, pp. 219-222, 2012
Online since
September 2011
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