화학공학소재연구정보센터
홈 로그인 로그아웃 연락처 사이트맵
Polymer(Korea), Vol.40, No.5, 769-773, September, 2016
DOI10.7317/pk.2016.40.5.769  Export Citation
폴리다이아세틸렌-폴리다이메틸실록산 기반의 클로로포름 검출센서
Development of Polydiacetylene-Polydimethylsiloxane Based Chloroform Sensor
박인성1, 2, 박동훈1, 김종만3, †
  • 1한양대학교 공과대학 화학공학과,
  • 2LG하우시스 연구소
  • 3한양대학교 공과대학 화학공학과
In Sung Park1, 2, Dong-Hoon Park1, 3, and Jong-Man Kim1, 3, †
  • 1Department of Chemical Engineering, Hanyang University, Seoul 04763, Korea
  • 2R&D Center, LG Hausys, Anyang, Gyeonggi-do 14116, Korea
  • 3, Korea
E-mail:
초록
본 연구에서는 용매변색성을 지니는 폴리다이아세틸렌(polydiacetylene, PDA)을 중합하여 이를 함유한 폴리다이메틸실록산(polydimethylsiloxane, PDMS) 기반의 필름센서를 개발하였으며 이를 이용하여 클로로포름에서의 용매변색을 확인하였다. 다이아세틸렌(diacetylene, DA) 단량체인 2-methoxyethyl pentacosa-10,12-diynoate(PCDA-EGME)를 합성하고 저온에서 254 nm UV를 조사하여 PDA를 광 중합한 후, 이를 PDMS에 내포시켜 필름 센서를 제조하였다. 필름형 센서는 적색(λmax=545 nm)을 띠고 있으며, 센서를 클로로포름에 노출시키면 황색(λmax=477 nm)으로 변하는 것을 관찰하였다. 총 19 종의 용매 중 클로로포름에서 선택적으로 변색이 발생하였으며 이를 이미지 분석을 통해 CMYK 중 yellow, magenta 값을 추출하여 차이 값을 분석하였다.
In this study, we have developed a solvatochromic polydiacetylene(PDA)-embedded polydimethylsiloxane (PDMS) film-type sensor for selective colorimetric detection of chloroform. PDA-PDMS film was readily fabricated by mixing PDA which was derived from 2-methoxyethyl pentacosa-10,12-diynoate (PCDA-EGME) and PDMS precursor. The PDA embedded PDMS film displayed a red (λmax=545 nm) to yellow (λmax=477 nm) colorimetric transition upon exposure to chloroform. The film-type sensor was found to be selective for chloroform among 19 common solvents.
Keywords:polydiacetylene;polydimethylsiloxane;solvatochromism;sensor;chloroform
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