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Effects of steam heat treatment conditions on the swelling and physical properties of PBS (polybutylene succinate) copolymer monofilament gill net

습식 열처리 조건이 PBS 공중합체 모노필라멘트 그물감의 부풀음 및 물성변화에 미치는 영향

  • Park, Seongwook (Fisheries System Engineering Division, National Fisheries Research Development Institute) ;
  • Kim, Seonghun (Fisheries System Engineering Division, National Fisheries Research Development Institute) ;
  • Do, Choonho (Fisheries System Engineering Division, National Fisheries Research Development Institute) ;
  • Lim, Jihyun (Fisheries System Engineering Division, National Fisheries Research Development Institute) ;
  • Choi, Haesun (Fisheries System Engineering Division, National Fisheries Research Development Institute)
  • 박성욱 (국립수산과학원 시스템공학과) ;
  • 김성훈 (국립수산과학원 시스템공학과) ;
  • 도춘호 (국립수산과학원 시스템공학과) ;
  • 임지현 (국립수산과학원 시스템공학과) ;
  • 최혜선 (국립수산과학원 시스템공학과)
  • Received : 2014.06.25
  • Accepted : 2014.08.21
  • Published : 2014.08.31

Abstract

Swelling of the heat-treated netting for gillnet was estimated through the netting height in square acrylic tank. Experimental Nylon netting and PBSAT netting were heat-treated by using the high-degree vacuum method in hot water after net making. Heat-treatment temperatures were conducted with Nylon netting $105^{\circ}C$ and PBSAT netting $62^{\circ}C$, $65^{\circ}C$, $66^{\circ}C$, $67^{\circ}C$. The swelling measurement method of a netting using the square tank was capable of the reduction measurement errors comparing with measurement methods of a mesh inner angle and the shortening rate of a mesh size. In addition, this method was available to comparison evaluation for each netting more easily. Wet type heat-treatment apparatus with high-degree vacuum was shown higher $7{\sim}8^{\circ}C$ inner side temperature than a setting temperature. The tensile strength and elongation of Nylon netting and PBSAT netting were shown higher wet condition than dry condition. The tensile strengths of PBSAT monofilaments in dry and wet condition were sharply decreased at heat-treatment temp. $75^{\circ}C$ than heat-treatment temp. $74^{\circ}C$.

Keywords

Polybutylene succinate;PBS;Heat-treatment;Physical properties

Acknowledgement

Grant : 생분 해성 어구 방사.편망 불량률 저감 및 어획 성능 향상을 위한 기술 개발

Supported by : 국립수산과학원, 한해양과학기술진흥원

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