Journal of Adhesion and Interface (접착 및 계면)

The Society of Adhesion and Interface, Korea (한국접착및계면학회)
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Fiber Loading Effect on the Interlaminar, Mechanical, and Thermal Properties of Novel Lyocell/Poly(butylene succinate) Biocomposites

새로운 라이오셀/poly(butylene succinate) 바이오복합재료의 층간전단, 기계적, 열적 특성에 미치는 섬유함량의 영향

  • Lee, Jae Young (Polymer/Bio-Composites Research Lab, Department of Polymer Science and Engineering, Kumoh National Institute of Technology) ;
  • Kim, Jin Myung (Polymer/Bio-Composites Research Lab, Department of Polymer Science and Engineering, Kumoh National Institute of Technology) ;
  • Cho, Donghwan (Polymer/Bio-Composites Research Lab, Department of Polymer Science and Engineering, Kumoh National Institute of Technology) ;
  • Park, Jong Kyoo (Composites Research Team, Agency for Defense Development)
  • 이재영 (금오공과대학교 고분자공학과 고분자/바이오복합재료연구실) ;
  • 김진명 (금오공과대학교 고분자공학과 고분자/바이오복합재료연구실) ;
  • 조동환 (금오공과대학교 고분자공학과 고분자/바이오복합재료연구실) ;
  • 박종규 (국방과학연구소 복합재료연구팀)
  • Received : 2009.05.25
  • Accepted : 2009.06.11
  • Published : 2009.06.30
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Abstract

In the present work, novel biocomposites made with biodegradable Lyocell woven fabrics and poly (butylene succinate) were successfully fabricated for the first time. Lyocell/poly(butylene succinate) biocomposites with different fiber loadings of 0, 30, 40, 50 and 60 wt% were prepared by compression molding with a sheet interleaving manner. The effect of Lyocell fabric loading on the interlaminar shear strength, tensile and flexural properties, heat deflection temperature, thermal expansion behavior, and thermal stability of the biocomposites was investigated. The properties strongly depended on the fabric loading and the results were consistent with each other. It was demonstrated that the Lyocell fabrics played a remarkable role in improving the properties of poly(butylene succinate) resin by incorporating the fabrics into the resin. The greatest inter-laminar, tensile, flexural and thermal properties of the biocomposites were obtained with Lyocell fabrics of 50% by weight.

본 연구에서 처음으로 생분해성 라이오셀 직물과 poly(butylene succinate) (PBS)로 이루어진 바이오복합재료가 성공적으로 제조되었다. 0, 30, 40, 50 그리고 60 wt%의 서로 다른 함량의 라이오셀직물을 포함하는 라이오셀/poly(butylene succinate) 바이오복합재료는 sheet interleaving 방식으로 압축성형에 의해 제조되었다. 바이오복합재료의 층간전단강도, 인장 및 굴곡 특성, 열변형 온도, 열팽창 거동 및 열안정성에 미치는 라이오셀직물 함량의 영향을 조사하였다. 특성들은 직물함량에 크게 의존하였으며, 그 결과들은 서로 일치하였다. 라이오셀직물을 수지에 도입하는 것이 poly(butylene succinate)의 여러 가지 특성 향상에 두드러진 역할을 하는 것으로 확인되었다. 라이오셀직물이 중량비로 50%일 때, 바이오복합재료의 가장 우수한 층간전단강도, 인장, 굴곡 및 열적 특성이 얻어졌다.

Keywords

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