Journal of Adhesion and Interface (접착 및 계면)

The Society of Adhesion and Interface, Korea (한국접착및계면학회)
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Synthesis and Characterization of Dimer Acid-Based Polyamides

다이머산계 폴리아미드의 합성 및 특성에 관한 연구

  • 박현주 (한국신발피혁연구원 접착제연구실) ;
  • 전호균 (한국신발피혁연구원 접착제연구실) ;
  • 오상택 (한국신발피혁연구원 접착제연구실)
  • Received : 2016.11.25
  • Accepted : 2016.12.15
  • Published : 2016.12.30
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Abstract

In this study, a series of dimer acid-based polyamides with different diamines were synthesized by condensation polymerization and the polyamides were characterized by Fourier transform infrared spectroscopy (FT-IR). Effects of diamine structures on mechanical and thermal properties of polyamides were investigated. The tensile strength and lap shear adhesion strength of aromatic-based polyamide (DAP) were higher than those of aliphatic-based polyamide (DAH). In DSC thermogram, DAP has a high $T_g$ and $T_m$ compared with DAH. DAP's and DAH's softening point were $112-115^{\circ}C$ and $98-121^{\circ}C$, respectively.

본 연구에서는 aliphatic diamine 또는 aromatic diamine을 함유하는 다이머산계 폴리아미드 수지를 축합중합법으로 합성하였으며, FT-IR로 폴리아미드가 합성되었음을 확인하였다. Diamine의 구조에 따라 합성된 폴리아미드의 기계적, 열적 특성을 확인하였다. 방향족 diamine 함유 폴리아미드(DAP)의 경우 지방족 diamine 함유 폴리아미드(DAH) 보다 인장강도와 전단접착강도가 우수하였다. DSC thermogram에서 DAP는 DAH 보다 높은 $T_g$와 $T_m$을 나타내었다. DAP의 연화점은 $112-115^{\circ}C$이고, DAH는 $98-121^{\circ}C$이었다.

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References

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