Journal of the Korea institute for structural maintenance and inspection (한국구조물진단유지관리공학회 논문집)

Korea Institute for Structural Maintenance Inspection (한국구조물진단유지관리공학회)
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A Study on the Joint Property by the Surface Treatment Method on the Jointing Method of PET Film using the High Hardness Liquid

고경질 도막을 이용한 PET 필름 접합공법의 필름 표면처리 방법에 따른 접합특성 연구

  • 이종석 (한국건설생활환경시험연구원) ;
  • 김영삼 (한국건설생활환경시험연구원) ;
  • 신홍철 (한국건설생활환경시험연구원) ;
  • 김영근 (한국건설생활환경시험연구원) ;
  • 강충모 ((주)부일건화)
  • Received : 2014.01.24
  • Accepted : 2014.04.07
  • Published : 2014.05.30
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Abstract

This research reviewed the joint and duration characteristics depending on the surface treatment condition and lap spliced length in the PET film jointing method using the high hardness liquid material. As a result, the corona discharge treatment was improved to the contact angle, joint tensile strength, and joint peel resistance compared to non-treatment. Particularly, a surface treatment E (Corona discharge + Primer + PU bond + Polyester fabric) turned out to the best, and especially when the lap spliced length is longer than 15mm, stable joint performance was secured under the long term deterioration treatment of 16 weeks. Thus, the joint is considered to be applicable as the water-proof material.

본 연구에서는 고경질 도막재로 PET 필름을 접합하는 시공방법에 있어서 PET 필름의 표면처리 조건 및 겹침이음 길이에 따른 접합특성 및 내구특성을 검토하였는데, 그 결과 무처리 보다 코로나 방전 처리에 의해 접촉각, 접합 인장강도, 벗김저항성이 개선되었다. 특히 시험체 E (코로나 방전+프라이머+강접접착제+폴리에스터 부직포)에서 가장 높은 것으로 나타났으며, 특히 겹침 이음길이 15mm 이상일 때 16주간 장기간 열화처리에도 안정적인 접합성능을 확보하는 것으로 나타나 방수재료로서 수밀성을 확보할 것으로 판단된다.

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References

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