화학공학소재연구정보센터
홈 로그인 로그아웃 연락처 사이트맵
Polymer(Korea), Vol.39, No.1, 122-129, January, 2015
Export Citation
Quaternary Ammonium Salt를 도입한 방오도료용 폴리우레탄 수지
Antifouling Paint Resin Based on Polyurethane Matrix with Quaternary Ammonium Salt
김대희, 정민영, 박현1, 이인원1, 전호환1, 조남주†
  • 부산대학교 고분자공학과
  • 1부산대학교 첨단조선공학센터
Dae-Hee Kim, Min-Yeong Jung, Hyun Park1, In-Won Lee1, Ho-Hwan Chun1, and Nam-Ju Jo†
  • Department of Polymer Science and Engineering, Pusan National University, San 30, Jangeon-dong, Geumjeong-gu, Busan 609-735, Korea
  • 1Advanced Ship Engineering Research Center, Pusan National University, San 30, Jangeon-dong, Geumjeong-gu, Busan 609-735, Korea
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초록
최근 해양 산업에서는 해양환경에 잔류성은 없으면서 방오성능은 우수한 새로운 종류의 방오도료 수지 개발이 해결해야 할 시급한 과제로 대두되고 있다. 본 연구에서는 폴리우레탄계 수지를 방오도료용 수지로 적용하여 평가하였다. Polyethylene glycol(PEG), 4,4'-diphenylmethane diisocyanate(MDI) 2,2'-bis(hydroxyl methyl)propionic acid(DMPA)를 사용하여 중합한 후 방오성능을 발휘하는 치환기로서 quaternary ammonium salt를 치환시켰다. 합성된 수지는 최종적으로 필름화하여 해수 내에서의 마모특성을 확인하였다. 그 결과, PEG의 분자량이 600인 방오도료용 폴리우레탄 수지의 기계적 물성이 가장 양호함을 알 수 있었으며, quaternary ammonium salt의 함량이 일정 이상으로 많은 경우에는 수지에 대한 부착력이 저하됨을 확인하였다.
Recently, the development of a new class of anti-fouling paint resin which has excellent anti-fouling performance and no persistence in the marine ecology is necessary. In this study, we first polymerized polyurethanes (PUs) as the other type of matrix which have carboxylic acid groups by using poly(ethylene glycol) (PEG), 4,4’-diphenylmethane diisocyanate (MDI), and 2,2’-bis(hydroxyl methyl)-propionic acid (DMPA). And next, we synthesized final resins having quaternary ammonium salts on pendant acid groups of PUs. After synthesis, the physical self-polishing property of resin by the measurement of reduced thickness in sea water was tested. The mechanical property of antifouling paint resin was good when the molecular weight of PEG was 600 or less. It was confirmed that the adhesion of PU resin was deteriorated when the content of quaternary ammonium salt was incorporated over specific value.
Keywords:tin-free antifouling paint;self-polishing copolymer (SPC);polyurethane (PU) resin;quaternary ammonium salt.
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