Elastomers and Composites

  • 제46권3호
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  • Pages.195-203
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  • 2011
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  • 2092-9676(pISSN)
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  • 2288-7725(eISSN)
한국고무학회 (The Rubber Society of Korea)
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아세틸화 케나프 섬유와 폴리락트산으로 구성된 바이오복합재료의 물성 평가

Performance Evaluation of Bio-Composites Composed of Acetylated Kenaf Fibers and Poly(lactic acid) (PLA)

  • 정택준 (서울대학교 농업생명과학대학 산림과학부 환경재료과학, 바이오복합재료 및 접착과학 연구실, 농업생명과학연구원, 바이오매스 기반 바이오소재 연구팀) ;
  • 이병호 (서울대학교 농업생명과학대학 산림과학부 환경재료과학, 바이오복합재료 및 접착과학 연구실, 농업생명과학연구원, 바이오매스 기반 바이오소재 연구팀) ;
  • 이현지 (서울대학교 농업생명과학대학 산림과학부 환경재료과학, 바이오복합재료 및 접착과학 연구실, 농업생명과학연구원, 바이오매스 기반 바이오소재 연구팀) ;
  • 권혁진 (서울대학교 농업생명과학대학 산림과학부 환경재료과학, 바이오복합재료 및 접착과학 연구실, 농업생명과학연구원, 바이오매스 기반 바이오소재 연구팀) ;
  • 장원범 (서울대학교 농업생명과학대학 산림과학부 환경재료과학, 바이오복합재료 및 접착과학 연구실, 농업생명과학연구원, 바이오매스 기반 바이오소재 연구팀) ;
  • 김현중 (서울대학교 농업생명과학대학 산림과학부 환경재료과학, 바이오복합재료 및 접착과학 연구실, 농업생명과학연구원, 바이오매스 기반 바이오소재 연구팀) ;
  • 엄영근 (국민대학교 삼림과학대학 임산생명공학과, 목재해부 및 공학목재 연구실)
  • Chung, T.J. (Adhesion & Bio-Composites, Program in Environmental Materials Science, Research Team for Biomass-based Bio-Materials, Research Institute for Agriculture and Life Sciences, Seoul National University) ;
  • Lee, B.H. (Adhesion & Bio-Composites, Program in Environmental Materials Science, Research Team for Biomass-based Bio-Materials, Research Institute for Agriculture and Life Sciences, Seoul National University) ;
  • Lee, H.J. (Adhesion & Bio-Composites, Program in Environmental Materials Science, Research Team for Biomass-based Bio-Materials, Research Institute for Agriculture and Life Sciences, Seoul National University) ;
  • Kwon, H.J. (Adhesion & Bio-Composites, Program in Environmental Materials Science, Research Team for Biomass-based Bio-Materials, Research Institute for Agriculture and Life Sciences, Seoul National University) ;
  • Jang, W.B. (Adhesion & Bio-Composites, Program in Environmental Materials Science, Research Team for Biomass-based Bio-Materials, Research Institute for Agriculture and Life Sciences, Seoul National University) ;
  • Kim, H.J. (Adhesion & Bio-Composites, Program in Environmental Materials Science, Research Team for Biomass-based Bio-Materials, Research Institute for Agriculture and Life Sciences, Seoul National University) ;
  • Eom, Y.G. (Department of Forest Products & Biotechnology, College of Forest Science, Kookmin University)
  • 투고 : 2011.07.21
  • 심사 : 2011.08.03
  • 발행 : 2011.09.30
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초록

친환경 소재인 바이오복합재료(bio-composites)의 제조를 위하여 기질 고분자로는 poly(lactic acid) (PLA)를 그리고 충전제(filler)로는 케나프 섬유(kenaf fiber)를 사용하였다. 또한 섬유와 고분자 사이의 계면결합 향상을 위해 아세틸화 케나프 섬유(acetylated kenaf fiber)와 상용화제(compatibilizer)를 첨가해 주었다. 본 연구에서는 화학처리와 상용화제가 기계적-점탄성과 형태학적 특성에 미치는 영향을 평가하였고, 섬유가 소수성이 될수록 기질 고분자와 높은 계면결합을 가지며 물성과 형태학적 성질 또한 향상된다는 결과를 보여줬다. 그러나 점탄성과 유리전이온도에는 큰 영향을 미치지 않는다는 사실을 확인하였다.

Eco-friendly materials or bio-composites were made with poly(lactic acid) (PLA) as matrix polymer and kenaf fibers as filler. Also, acetylated kenaf fibers and compatibilizer were adopted in order to improve the interfacial adhesion between fiber and polymer. In this study, the effect of chemical modification and compatibilizer on the mechanical-viscoelastic and morphology properties of the bio-composites was discussed. The hydrophobic fibers by acetylation were known to show better interfacial bonding with the matrix polymer and resulted in improved performance and morphology. Viscoelastic property and glass transition temperature, however, were not nearly enhanced.

키워드

참고문헌

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