수산해양교육연구 (Journal of Fisheries and Marine Sciences Education)

  • 제25권4호
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  • Pages.766-774
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  • 2013
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  • 1229-8999(pISSN)
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  • 2288-2049(eISSN)
한국수산해양교육학회 (The Korean Society for Fisheries and Marine Sciences Education)
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옥외 노출시험에 의한 PBS 단일섬유 망사의 내구성 변화

The Durability of Polybutylene Succinate Monofilament for Fishing Net Twines by Outdoor Exposure Test

  • 투고 : 2013.06.12
  • 심사 : 2013.08.05
  • 발행 : 2013.08.31
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초록

Biodegradable polybutylene succinate(PBS) is a kind of environmentally friendly plastics for fisheries, because it can mitigate the ghost fishing problem caused by gill-net and trap fisheries. To evaluate durability of PBS monofilament, each of different diameter 3 types of monofilaments were spun and exposed to 56 month outdoor and then their gravity, modification of surface, breaking strength, and elongation were analysed. The gravity of PBS monofilament was estimated to be approximately 1.24 when spinning ratio from 4.8 to 6.1. PBS monofilaments did not show any crack after 56 month exposed to outdoor and load-elastic elongation curve was showed sigmoid type. Decreasing ratio of elongation was appeared in the thinnest monofilament 0.2mm diameter and breaking strength was in the thickest monofilament 0.4mm diameter. Breaking strength and elongation at break were decreased rapidly after 48 month exposed to outdoor. Breaking strength reduced linearly after 48 month exposure, while no such linear relationship was found in the case of elongation at break. In results, it was investigated that the durability of PBS monofilament nets for gillnet and trap were 24, 50 month when keep to land, respectively.

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참고문헌

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피인용 문헌

  1. Effects of steam heat treatment conditions on the swelling and physical properties of PBS (polybutylene succinate) copolymer monofilament gill net vol.50, pp.3, 2014, https://doi.org/10.3796/KSFT.2014.50.3.274