화학공학소재연구정보센터
홈 로그인 로그아웃 연락처 사이트맵
Macromolecular Research, Vol.19, No.12, 1257-1263, December, 2011
DOI10.1007/s13233-011-1207-z  Export Citation
Amphiphilic Gradient Copolymer of [Poly(ethylene glycol) methyl ether] Methacrylate and Styrene via Atom Transfer Radical Polymerization
Bong-Soo Kim, Hyo-Kyoung Lee, Somi Jeong, Jang-Oo Lee, and Hyun-jong Paik†
  • Department of Polymer Science and Engineering, Pusan National University, Busan, 609-735, Korea
E-mail:
Well-defined amphiphilic gradient copolymers of poly(ethylene glycol) methyl ether methacrylate (PEGMA) and styrene were successfully synthesized using atom transfer radical polymerization. The relative reactivity ratio of PEGMA to styrene was determined using the Jaacks method. The initial feed ratio of the two monomers had a significant effect on the copolymer’s gradient composition. The resultant copolymers were characterized by nuclear magnetic resonance and Fourier transform-infrared spectroscopy to confirm their structures and monomer compositions. The lower critical solution temperature behavior of the copolymers was investigated using ultraviolet-visual spectroscopy. The micellization behavior of the PEGMA and styrene copolymers in aqueous solution was observed by transmission electron microscopy and dynamic laser scattering.
Keywords:PEGMA;atom transfer radical polymerization;styrene;amphiphilic gradient copolymer;lower critical solution temperature.
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