Macromolecular Research

, Volume 14, Issue 3, pp 267–271 | Cite as

Effects of mixing ratio on the mechanical and thermal properties of polyelectrolyte complex film

  • Tae Won Son
  • Byung Giu Kim
  • Young Mi Park
  • Hak Sang Lim
  • Oh Kyung Kwon


Polyelectrolyte complex films were prepared with two compounds, chitosan and poly(ethylene glycol)-monosuccinate, using a casting in order to synthesize a polyelectrolyte complex film with various mole ratios of chitosan and poly(ethylene glycol)-monosuccinate. The solution properties of isolated PEC were investigated for the effects of FTIR, pH value, Brookfield viscosity and cell viability assay using MTT staining. The PEC films were evaluated for mechanical properties by typical stress-strain curve, for thermal properties by DSC and TGA and for surface morphology properties by SEM. Furthermore, the surface resistance, moisture regain and water content of the films were characterized. The solution properties were affected by several factors including the chitosan content in the PEC, the mixing ratio of PEG and chitosan, and pH. Several PEC in acidic conditions exhibited film formation under appropriate conditions of mixing ratio and chitosan concentration in the mixing process. These PEC films were found to have sufficiently flexible and stable properties due to their hydrophilic structure, which was formed by the oppositely charged interaction between PEG-MS and chitosan matrix. The results showed the potential applicability of chitosan and poly(ethylene glycol)-monosuccinate films as a biocompatible polymer.


chitosan poly(ethylene glycol)-monosuccinate nonstoichiometric polyelectrolyte complex film cell viability assay biocompatible polymer 


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Copyright information

© The Polymer Society of Korea and Springer 2006

Authors and Affiliations

  • Tae Won Son
    • 1
  • Byung Giu Kim
    • 1
  • Young Mi Park
    • 2
  • Hak Sang Lim
    • 3
  • Oh Kyung Kwon
    • 4
  1. 1.Department of Textile Materials and Chemistry, Polymer Science, School of TextilesYeungnam UniversityGyeongsan, GyeongbukKorea
  2. 2.Institute of Industrial TechnologyYeungnam UniversityGyeongsan, GyeongbukKorea
  3. 3.Department of Environmental EngineeringSemyung UniversityJecheon ChungnamKorea
  4. 4.Shin Pung textile Co. LTDDaeguKorea

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