Development and physical properties on the monofilament for gill nets and traps using biodegradable aliphatic polybutylene succinate resin

생분해성 지방족 폴리부틸렌 석시네이트 수지를 이용한 자망과 통발용 단일섬유의 방사기술 개발 및 물리적 특성

  • Park, Seong-Wook (Fisheries Engineering Team, National Fisheries Research & Development Institute) ;
  • Bae, Jae-Hyun (Fisheries Engineering Team, National Fisheries Research & Development Institute) ;
  • Lim, Ji-Hyun (Fisheries Engineering Team, National Fisheries Research & Development Institute) ;
  • Cha, Bong-Jin (Fisheries Engineering Team, National Fisheries Research & Development Institute) ;
  • Park, Chang-Doo (Fisheries Resources Team, West Sea Fisheries Research Institute, NFRDI) ;
  • Yang, Yong-Su (Fisheries Engineering Team, National Fisheries Research & Development Institute) ;
  • Ahn, Heui-Chun (Fisheries Engineering Team, National Fisheries Research & Development Institute)
  • 박성욱 (국립수산과학원 수산공학팀) ;
  • 배재현 (국립수산과학원 수산공학팀) ;
  • 임지현 (국립수산과학원 수산공학팀) ;
  • 차봉진 (국립수산과학원 수산공학팀) ;
  • 박창두 (국립수산과학원 서해수산연구소 어업자원팀) ;
  • 양용수 (국립수산과학원 수산공학팀) ;
  • 안희춘 (국립수산과학원 수산공학팀)
  • Published : 2007.11.30


This study was aimed not only to develop the gill net and trap made of biodegradable monofilaments in order to prevent a ghost fishing and to protect marine ecosystem, but also to analyze their spinning process and physical properties. Results showed that the spinning speed of biodegradable polybutylene succinate(PBS) monofilament was estimated to be approximately 100m/min when spinning temperature and cooling water temperature were adjusted at $180^{\circ}C$ and $3^{\circ}C$, respectively. The breaking loads of PBS monofilaments were estimated to be $35.3kg/mm^2$ at ${\phi}0.2mm$, $46.5kg/mm^2$ at ${\phi}0.3mm$, and $49.7kg/mm^2$ at ${\phi}0.4mm$ in the dry condition, respectively. However, its breaking loads in the wet condition were reduced by 2.4-5.5%, compared to those in the dry condition. The knotted strength of PBS monofilament at ${\phi}0.2mm$ was estimated to be 98.6% of PE in the dry condition. The breaking load of PBS monofilament at ${\phi}0.3mm$ was evaluated to be 81.8% of PA, and its softness showed 3 times less than that of PA in the wet condition. The breaking load of PBS monofilament at ${\phi}0.4mm$ was 95.3% of PA, and its softness showed 1.6 times less than that of PA in the wet state. However, the load elastic elongations of two kinds of monofilaments were estimated to be 1% higher than that of PA.


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