Synthesis and characterization of hydrophilic copolymers

  • U. Nakan Al-Farabi Kazakh National University
  • R. K. Rahmetullaeva Al-Farabi Kazakh National University
  • G. A. Mun Al-Farabi Kazakh National University
  • E. M. Shaihutdinov Al-Farabi Kazakh National University
  • A. K. Toktabaeva Al-Farabi Kazakh National University
  • El-Sayed M Negim Universiti Sains Malaysia
  • Muhammad Idiris Saleh Universiti Sains Malaysia


Two composition ratios of poly[N-isopropylacrylamide (NIPAAm)-co-2-hedroxy ethyl acrylate (2-HEA)] were prepared in ethanol/water mixtures (v/v, 1/1) using ammonium persulfate (APS) as initiator. The hydrophilic copolymers were characterized by DSC, TGA, GPC and SEM. The results showed that molecular weight, Tg, thermal stability increase with increase of NIPAAm in the copolymers. The increase of molecular weight is interpreted in terms of increasing the formation of primary radicals in high ratio of NIPAAm in the copolymer. SEM showed that the polymer became more hydrophilic with increasing the ratio of NIPAAm in the copolymer.


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How to Cite
NAKAN, U. et al. Synthesis and characterization of hydrophilic copolymers. International Journal of Biology and Chemistry, [S.l.], n. 3, june 2012. ISSN 2409-370X. Available at: <>. Date accessed: 19 sep. 2017.


poly[N-isopropylacrylamide (NIPAAm)-co-2-hedroxy ethyl acrylate (2-HEA)]; hydrophilic copolymers