접착 및 계면 (Journal of Adhesion and Interface)

  • 제25권3호
  • /
  • Pages.93-99
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  • 2024
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  • 1229-9243(pISSN)
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  • 2233-8217(eISSN)
한국접착및계면학회 (The Society of Adhesion and Interface, Korea)
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가교제 종류에 따른 점착시트 제조 및 다양한 피착재에서의 점착 특성 연구

Preparation of Adhesive Sheet from Several Types of Crosslinking Agents and Their Adhesion Characteristics with Various Substrates

  • 김현지 (부산대학교 응용화학공학부) ;
  • 강승인 (부산대학교 응용화학공학부) ;
  • 전호균 (한국소재융합연구원) ;
  • 이지은 (한국소재융합연구원) ;
  • 박현주 (한국소재융합연구원) ;
  • 이종환 (한국소재융합연구원) ;
  • 성동기 (부산대학교 응용화학공학부)
  • Hyun ji Kim (School of Chemical Engineering, Pusan National University) ;
  • Seung In Kang (School of Chemical Engineering, Pusan National University) ;
  • Ho Kyoon Jeon (Korea Institute of Materials Convergence Technology) ;
  • Ji Eun Lee (Korea Institute of Materials Convergence Technology) ;
  • Hyun Ju Park (Korea Institute of Materials Convergence Technology) ;
  • Jong Hwan Lee (Korea Institute of Materials Convergence Technology) ;
  • Dong Gi Seong (School of Chemical Engineering, Pusan National University)
  • 투고 : 2024.08.09
  • 심사 : 2024.09.04
  • 발행 : 2024.09.30
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초록

본 연구에서는 라디칼 공중합 반응을 통하여 butyl acrylate, butyl methacrylate를 기본 단량체로 하고, 관능성 단량체인 acrylic acid를 적용하여 아크릴 점착제를 합성하였다. 카복실기와 반응하는 관능성기가 함유된 가교제 3종 (isocyanate, amine, aziridine)을 이용하여 점착시트를 제작하였으며, 폴리프로필렌, acrylonitrile butadiene styrene, 스테인리스, 그리고 유리를 포함하는 4종의 피착재에 대한 점착력을 평가함으로써 점착제 및 피착재의 상관관계를 연구하였다. 가교제의 함량에 따라 점착제의 극성이 증가하게 되고, 그 영향으로 표면에너지도 증가하는 경향이 나타났다. 가교제의 종류와 관계없이 함량이 증가함에 따라 초기 점착력은 감소하였고, 겔 분율 측정을 통해 가교제의 종류가 crosslinking에 큰 영향을 미침을 확인하였다. 점착력 평가 결과, amine 가교제를 사용하였을 때 모든 피착재에 대해 우수한 점착 특성이 발현되었다.

In this study, acrylic pressure sensitive adhesive (PSA) using butyl acrylate and butyl methacrylate as basic monomers and functional monomer such as acrylic acid was synthesized. Adhesive sheet was prepared by using three types of crosslinking agents (isocyanate, amine, aziridine) containing a functional group reacting with carboxyl group. The correlation between the PSA and substrate was studied by evaluation the peel strength according to the four substrates (polypropylene, acrylonitrile butadiene styrene, stainless steel, and glass). The polarity of the PSA increases with the amount of the crosslinking agent, and the surface energy also increases due to the influence of the crosslinking agent. Regardless of the type of crosslinking agent, the tack decreases as the content increased, and it was confirmed by the gel fraction measurement that the type of crosslinking agent had influence on the crosslinking. As a result of peel strength evaluation, excellent adhesion characteristics were expressed for all substrates when amine crosslinking20240809 agent was used.

키워드

과제정보

본 논문은 산업핵심기술개발사업(과제번호: 10077505)의 지원으로 수행되었기에 이에 감사드립니다.

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