Journal of the Korean Wood Science and Technology

The Korean Society of Wood Science & Technology (한국목재공학회)
권호 표지

Properties Evaluation of Bio-Composite by Content and Particle Size of Bamboo Flour

대나무 분말의 함량 및 입자 크기에 따른 바이오복합재의 물성 평가

  • Lee, Sena (Lab. of Adhesion & Bio-Composites, Program in Environmental Materials Science, College of Agriculture and Life Sciences, Seoul National University) ;
  • Lee, Byoung-Ho (Lab. of Adhesion & Bio-Composites, Program in Environmental Materials Science, College of Agriculture and Life Sciences, Seoul National University) ;
  • Kim, Hyun-Joong (Lab. of Adhesion & Bio-Composites, Program in Environmental Materials Science, College of Agriculture and Life Sciences, Seoul National University) ;
  • Kim, Sumin (Research Team for Biomass based Bio-Materials, Research Institute for Agriculture & Life Science, Seoul National University) ;
  • Eom, Young Geun (Department of Forest Products, College of Forest Science, Kookmin University)
  • 이세나 (서울대학교 산림과학부 환경재료과학전공 바이오복합재료 및 접착과학 연구실) ;
  • 이병호 (서울대학교 산림과학부 환경재료과학전공 바이오복합재료 및 접착과학 연구실) ;
  • 김현중 (서울대학교 산림과학부 환경재료과학전공 바이오복합재료 및 접착과학 연구실) ;
  • 김수민 (서울대학교 농업생명과학연구원 바이오매스 기반 바이오소재 연구팀) ;
  • 엄영근 (국민대학교 삼림과학대학 임산공학과 목재해부 및 공학목재 연구실)
  • Received : 2009.03.18
  • Accepted : 2009.04.29
  • Published : 2009.07.25
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Abstract

The representative eco-friendly materials, or bio-composites, were made by incorporating biodegradable polymer of polybutylene succinate (PBS) as the matrix and bamboo flour (BF) as the natural filler. In present study, the effects of content and particle size of natural filler on the bio-composites were carried out around their mechanical, visco-elastic, and thermal properties. By the incorporation of BF, the tensile properties decreased but the viscoelastic and thermal properties revealed positive effect through interaction between the polymer and natural filler. Also, the vulnerability of interfacial adhesion between hydrophobic PBS and hydrophilic BF appeared to adversely affect the properties of bio-composites.

대표적인 친환경 소재인 바이오복합재(bio-composite)의 제조를 위해 기질 고분자로는 생분해성 고분자인 polybutylene succinate (PBS)를 그리고 충전제(filler)로는 대나무 분말(bamboo flour, BF)을 사용하였다. 본 연구에서는 BF의 함량 및 입자 크기가 바이오복합재의 기계적 점탄성적 특성 및 열적 특성에 미치는 영향을 평가하였는데 천연충전제인 BF의 첨가에 따라 인장강도는 감소하였지만 점탄성적 및 열적 특성은 고분자와의 상호작용을 통해 보다 안정적인 결과를 보였다. 또한, 소수성을 나타내는 PBS와 친수성인 BF 사이의 낮은 계면 결합이 바이오복합재의 물성 저하에 영향을 미친다는 사실이 확인되었다.

Keywords

Acknowledgement

Supported by : 국민대학교

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