Elastomers and Composites

The Rubber Society of Korea (한국고무학회)
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Synthesis of Biomass-derived Polyurethane by Chain Extender Type

  • Sohn, Mi Hyun (School of Energy, Materials and Chemical Engineering, Korea University of Technology and Education) ;
  • Li, Xiang Xu (School of Energy, Materials and Chemical Engineering, Korea University of Technology and Education) ;
  • Cho, Ur Ryong (School of Energy, Materials and Chemical Engineering, Korea University of Technology and Education)
  • Received : 2019.08.19
  • Accepted : 2019.10.07
  • Published : 2019.12.31
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Abstract

Bio-based polyester polyols were synthesized using esterification with azelaic acid, sebacic acid, and 1,3-propanediol. Polyurethanes were prepared using chain extenders (1,4-Butanediol, 1,3-Propanediol, and isosorbide) and 4,4'-diphenylmethane diisocyanate with a mixing ratio of 1:1:1.1. Subsequently, the properties of the polymers prepared using the different chain extenders were compared. The synthesis of polyurethane was confirmed by FT-IR, TGA, and GPC. The mechanical properties (hardness, ball rebound, and tensile strength) of the materials were analyzed using shore A tester, taber abrasion, and UTM. heat, chemical, and water resistances of the prepared materials were measured by comparing the tensile strengths according to external changes.

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References

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