한국고분자학회:학술대회논문집 (Proceedings of the Polymer Society of Korea Conference)

한국고분자학회 (The Polymer Society of Korea)
권호 표지

Fabrication of nanoaggregates of triple hydrophilic block copolymers by binding of ionic surfactants

  • Khanal, Anil (Department of Chemistry, Faculty of Science and Engineering, Saga University) ;
  • Yusa, Shin-Ichi (Department of Materials Science and Chemistry, Graduate School of Engineering, University of Hyogo) ;
  • Nakashima, Kenichi (Department of Chemistry, Faculty of Science and Engineering, Saga University)
  • 발행 : 2006.10.13
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초록

Nanoaggregates of triple hydrophilic block copolymers comprised of poly(ethylene oxide), poly(sodium 2-acrylamido)-2-methylpropanesulfonate), and poly(methacrylic acid) (PEO-PAMPS-PMAA) and the cationic surfactant, dodecyltrimethylammonium chloride (DTAC) have been fabricated. The formation of $^{\circ}^{\circ}$the nanoaggregates is based on electrostatic interaction of sulfonate and carboxylate groups of PAMPS and PMAA blocks with the cationic surfactant, which results in insolubilization of these blocks. The formation of micelle is observed by dynamic light scattering measurements. Binding of DTAC to the anionic blocks of PEO-PAMPS-PMAA is confirmed by electrophoresis measurements.

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