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Issue
Korean Chemical Engineering Research,
Vol.49, No.3, 271-276, 2011
대면적 대기압 플라즈마-용액 시스템을 이용한 폴리프로필렌 표면 처리
Surface Treatment of Polypropylene using a Large Area Atmospheric Pressure Plasma-solution System
트란 꺽시, 최호석
대면적 대기압 플라즈마 반응 장비를 플라즈마-용액 시스템에 적용하여 액상 내부에 잠입된 폴리프로필렌(PP) 필름의 표면손상 없이 관능기 도입 가능성을 탐색하였다. 액상으로 1-butyl-3- methylimidazolium tetrafluoroborate: [BMIM]+[BF4]^(-) 이온성 액체 수용액을 사용한 경우, 안정적으로 플라즈마를 발생시킬 수 있었다. PP 필름의 플라즈마 처리 결과, PP 표면에 다양한 산소 함유 관능기들이 도입되었음을 확인할 수 있었다. 플라즈마 처리 후 PP의 표면 자유에너지는 처리시간, 전압의 증가에 따라서 증가하며, 1.5M 이온성 액체 수용액 농도에서 가장 큰 값을 나타내었다. ATR-FTIR 분석 결과, 다양한 카르보닐 기(1,726 cm^(-1), 1,643 cm^(-1))와 하이드록시 기(3,100~3,500 cm^(-1))의 흡광도가 증가하였고, XPS 분석은 ATR-FTIR 분석 결과를 뒷받침하여 주었다.
We investigated the possibility of introducing functional groups without damaging surface polymeric chains through the treatment of a polypropylene(PP) film immersed in liquid phase using an atmospheric pressure plasma with large area. The ionic liquid of 1-butyl-3-methylimidazolium tetrafluoroborate: [BMIM]+[BF4]- was successfully applied for generating stable plasmas in the plasma-solution system. We successfully treated the film surface using the plasma-solution system and confirmed various oxygen-containing functional groups formed on the surface of PP film. The surface free energy of PP film was increased with increasing plasma treatment time and power. It also showed a maximum value at the PP sample treated in the ionic liquid solution of 1.5 M. ATR-FTIR analyses revealed the increase of various carbonyl groups(1,726 cm^(-1), 1,643 cm^(-1)) and OH groups(3,100~3,500 cm^(-1)) after plasma treatment of PP film, and XPS also supported the ATR-FTIR result.
Keywords: Plasma-Solution System; Ionic Liquid; Atmospheric Pressure Plasma; Polypropylene; Surface Free Energy
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[Cited By]
  1. Park SJ, Hwang JS, Choi WK, Lee HK, Huh KM, Polymer(Korea), 38(2), 205, 2014
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