Journal of the Korean Applied Science and Technology (한국응용과학기술학회지)

The Korean Society of Applied Science and Technology (한국응용과학기술학회)
권호 표지
DOI QR코드

DOI QR Code

Thermodynamics on the Micellization of Pure Cationic(DTAB, TTAB, CTAB), Nonionic(Tween-20, Tween-40, Tween-80), and Their Mixed Surfactant Systems

순수 양이온성(DTAB, TTAB, CTAB), 비이온성(Tween-20, Tween-40, Tween-80) 및 이들 혼합 계면활성제의 미셀화에 대한 열역학적 연구

  • Lee, Nam-Min (Department of Applied Chemical Engineering, Korea University of Tech. & Education) ;
  • Lee, Byung-Hwan (Department of Applied Chemical Engineering, Korea University of Tech. & Education)
  • 이남민 (한국기술교육대학교 응용화학공학과) ;
  • 이병환 (한국기술교육대학교 응용화학공학과)
  • Received : 2013.12.10
  • Accepted : 2013.12.30
  • Published : 2013.12.30
Download PDF
⟨ Previous Next ⟩

Abstract

The critical micelle concentration (CMC) and counter-ion binding constant (B) of the pure cationic surfactants (DTAB, TTAB, CTAB), nonionic surfactants (Tween-20, Tween-40, Tween-80), and their mixed surfactants (TTAB/Tween-20, TTAB/Tween-40, TTAB/Tween-80) in aqueous solutions of 4-chlorobenzoic acid were determined by using the UV/Vis absorbance method and the conductivity method from 284 K to 312 K. Thermodynamic parameters (${\Delta}G^o{_m}$, ${\Delta}H^o{_m}$, and ${\Delta}S^o{_m}$), associated with the micelle formation of those surfactant systems, have been estimated from the dependence of CMC and B values on the temperature and carbon length of surfactant molecules. The calculated values of ${\Delta}G^o{_m}$ are all negative within the measured range but the values of ${\Delta}H^o{_m}$ and ${\Delta}S^o{_m}$ are positive or negative, depending on the length of the carbon chain and surfactant.

4-클로로벤조산의 가용화현상을 이용하여 순수양이온성 계면활성제(DTAB, TTAB, CTAB), 비이온성 계면활성제(Tween-20, Tween-40, Tween-80) 및 이들 혼합계면활성제(TTAB/Tween-20, TTAB/Tween-40, TTAB/Tween-80)의 임계미셀농도(CMC)값과 반대이온 결합상수값(B)를 온도 284 K에서 312 K까지 변화를 주면서 UV/Vis 분광광도법과 전도도법으로 측정하였다. 온도에 따른 CMC와 B값의 변화를 측정하여 미셀화현상에 대한 여러 가지 열역학 함수값(${\Delta}G^o{_m}$, ${\Delta}H^o{_m}$, 및 ${\Delta}S^o{_m}$)을 계산하고 분석 하였다. 그 결과 측정범위 내에서 ${\Delta}G^o{_m}$값은 모두 음의 값을 나타내었다. 그러나 ${\Delta}H^o{_m}$과 ${\Delta}S^o{_m}$값은 계면활성제의 종류와 계면활성제분자에서 탄소사슬의 길이에 따라 양의 값 혹은 음의 값을 나타내었다.

Keywords

References

  1. B. H. Lee, S. D. Christian, E. E. Tucker, and J. F. Scamehorn, Langmuir, 7, 1332 (1991). https://doi.org/10.1021/la00055a007
  2. S. K. Mehta, S. Chaudhary, R. Kumar, and K. K. Bhasin, J. Phys. Chem. B, 113, 7188 (2009). https://doi.org/10.1021/jp811310f
  3. T. Chakraborty, I. Chakraborty, S. P. Moulik, and S. Ghosh, Langmuir, 25, 3062 (2009). https://doi.org/10.1021/la803797x
  4. M. Ehsan and D. N. E. Gholamreza E. Chem, 9, 2268 (2012).
  5. S. K. Sar and N. Rathod. Res. J. Chem. Sci, 1, 22 (2011).
  6. O. SE, O. NA, O. IA, A. CO and O. MO, Chem. Sci. J. CSJ-52(2012).
  7. C. C. Ruiz. Col. Polym. Sci. 277, 701 (1999). https://doi.org/10.1007/s003960050443
  8. C. Mesa, Langmuir 9, 96 (1990).
  9. C. R. A. Bertancini, M. de F. Neves and F. Nome, Langmuir 9, 1274 (1993). https://doi.org/10.1021/la00029a020
  10. B. H. Lee and N. M. Lee, J. Kor. Chem. Soc., 56, 556 (2012). https://doi.org/10.5012/jkcs.2012.56.5.556
  11. B. H. Lee and N. M. Lee, J. Kor. Chem. Soc., 56, 1 (2012).
  12. B. H. Lee and N. M. Lee, Appl. Chem. Eng., 22, 473 (2011).
  13. P. C. Shanks and E. I. Franses, J. Phys. Chem, 96, 1794 (1992). https://doi.org/10.1021/j100183a055
  14. R. Zana, H. Levy, D. Papouts and G. Beinert, Langmuir, 11, 3694 (1995). https://doi.org/10.1021/la00010a018
  15. S. Paula, W. Susi, J. Tuchtenhagen and A. Blume, J. Phys. Chem, 99, 11742 (1995). https://doi.org/10.1021/j100030a019
  16. J. C. Burrows, J. Flynn. S. M. Kutay. T. G. Leriche and D. G. Marangoni, Langmuir, 11, 3388 (1995). https://doi.org/10.1021/la00009a020
  17. K. J. Rao and S. Paria, J. Phys. Chem. B, 113, 474 (2009).
  18. S. K. Mehta, S. Chaudhary, R. Kumar, and K. K. Bhasin, J. Phys. Chem. B, 113, 7188 (2009). https://doi.org/10.1021/jp811310f
  19. A. Mahata, D. Sarkar, D. Bose, D. Ghosh, A. Girigoswami, P. Das, and N. Chattopadhyay, J. Phys. Chem. B, 113, 7517 (2009). https://doi.org/10.1021/jp900575e
  20. S. Nakamura, L. Kobayashi, R. Tanaka, T. I. Yamashita, K. Motomura, and Y. Moroi, Langmuir, 24, 15 (2008). https://doi.org/10.1021/la702820h
  21. Ali. M. Jha, S. K. Das, and S. K. Saha, J. Phys. Chem. B, 113, 15563 (2009). https://doi.org/10.1021/jp907677x
  22. B. H. Lee, J. Kor. Chem. Soc., 37, 562 (1993).

Cited by

  1. 양이온성, 비이온성 및 혼합성 계면활성제에 의한 4-클로로벤조산의 가용화에 대한 연구 vol.31, pp.2, 2013, https://doi.org/10.12925/jkocs.2014.31.2.244
  2. Dodecyldimethyl(3-sulfopropyl)ammonium Hydroxide와 다른 계면활성제와의 혼합미셀화에 관한 연구 vol.31, pp.4, 2013, https://doi.org/10.12925/jkocs.2014.31.4.602
  3. Lauryl Sulfobetaine과 혼합계면활성제에 의한 4-클로로벤조산의 가용화에 대한 연구 vol.31, pp.4, 2013, https://doi.org/10.12925/jkocs.2014.31.4.612