Applied Chemistry for Engineering (공업화학)

The Korean Society of Industrial and Engineering Chemistry (한국공업화학회)
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Effect of the Addition of Fluorinated Surfactant on the Solubilization of n-Hexane by Hydrocarbon Surfactant

불소계 계면활성제 첨가가 탄화수소계 계면활성제에 의한 n-헥산의 가용화에 미치는 영향에 관한 연구

  • Hee Dong Shin (Department of Chemical and Biochemical Engineering, Dongguk University) ;
  • Ki Ho Park (Department of Chemical and Biochemical Engineering, Dongguk University) ;
  • Jong Choo Lim (Department of Chemical and Biochemical Engineering, Dongguk University)
  • 신희동 (동국대학교 화공생물공학과) ;
  • 박기호 (동국대학교 화공생물공학과) ;
  • 임종주 (동국대학교 화공생물공학과)
  • Received : 2023.04.30
  • Accepted : 2023.05.16
  • Published : 2023.08.10
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Abstract

In this study, the effect of the addition of fluorinated surfactant FS-606 on the solubilization of n-hexane by hydrocarbon surfactant CDP-W was investigated. Oil drop contacting experiments revealed that solubilization rate is independent of initial oil drop size and proportional to the initial surfactant concentration, suggesting that solubilization of n-hexane oil by the surfactant mixture of FS-606 and CDP-W is controlled by an interface-controlled mechanism. In addition, the solubilization rate has been shown to increase with an increase in FS-606 composition, reach a maximum, and then decrease with a further increase in FS-606 composition. On the other hand, the interfacial tension between micellar solution and n-hexane oil has been found to decrease with an increase in FS-606 composition, reach a minimum, and then increase with a further increase in FS-606 composition.

본 연구에서는 불소계 계면활성제 FS-606 첨가가 탄화수소계 계면활성제 CDP-W에 의한 n-헥산 가용화에 미치는 영향에 관한 실험을 수행하였다. 오일 방울 접촉 실험방법을 사용하여 측정한 가용화 속도는 초기 n-헥산 오일 방울 크기에 상관없이 일정하게 나타났으며, 계면활성제 농도에 따라 거의 선형적으로 증가함을 알 수 있었다. 이러한 결과로부터 FS-606과 CDP-W의 혼합 계면활성제에 의한 n-헥산 오일의 가용화는 계면 조절 메커니즘을 따르는 것을 확인 할 수 있었다. 또한 FS-606과 CDP-W의 혼합 계면활성제 시스템에서의 FS-606 조성 증가에 따라 가용화 속도는 증가하여 최대를 나타낸 후 다시 감소하였다. 반면에 FS-606 조성 증가에 따라 계면활성제 수용액과 n-헥산 오일 사이의 계면장력은 감소하여 최소를 나타낸 후 다시 증가하였다.

Keywords

Acknowledgement

본 연구는 산업통상자원부 소재부품기술개발-소재부품패키지형 (과제번호 20011027, 반도체 디스플레이 공정용 불소계 계면활성제 제조기술 개발)의 지원을 받아 수행되었으며, 이에 감사드립니다.

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