N-Dodecanoyl, N-Methyl Glucamine(GL 12)과 음이온 계면활성제 혼합물의 Dynamic Surface Tension에 관한 연구

안호정; 최규석

Journal of the Korean Industrial and Engineering Chemistry, Vol.7, No.1, 101-108, February, 1996

Export Citation

N-Dodecanoyl, N-Methyl Glucamine(GL 12)과 음이온 계면활성제 혼합물의 Dynamic Surface Tension에 관한 연구

Studies on the Dynamic Surface Tension of GL12 and Anionic Mixtures

안호정, 최규석

초록

본 연구에서는 수용액 내에서 생분해도가 우수하고 인체에 mild한 비이온성 계면활성제 GLl2와 범용 음이온성 계면활성제인 linear laurylbenzene sulfonate(LAS) 또는 sodium polyoxyethylene(3) glycol lauryl ether sulfate(SLES) 각각 용액의 dynamic surface tension과 이들 계면활성제 혼합용액의 dynamic surface tension이 혼합비에 따라 어떻게 변화되는지 maximum bubble pressure method를 이용하여 조사하였다. 또한 salting-cut 효과가 있는 NaCl, CsCl과 salting-in 효과가 있는 요소를 계면활성제 용액에 첨가하여 이들 염들이 용액의 dynamic surface tension에 미치는 영향에 대하여도 연구하였다. 비이온성 계면활성제인 GLl2의 dynamic surface tension은 염의 존재에 영향을 크게 받지 않았으나 음이온성인 SLES와 LAS는 크게 영향을 받았다. 또한 GL12/SLES와 GL12/LAS 혼합계에서도 GLl2의 함량이 많을수륵 용액의 dynamic surface tension에 대한 염의 영향이 감소하였으나 LAS 또는 SLES의 함량이 중가할수록 염의 영향은 증가하였다.

The dynamic surface tension of GLl2 (easily biodegradable nonionic surfactant and mild to skin), LAS and SLES aqueous solutions and that of mixed surfactant systems were measured by the maximum bubble pressure method at different mixing ratios. The effects of various salt such as NaCl, CsCl and urea on the dynamic surface tension of mixed surfactant systems were also studied. The dynamic surface tension of GLl2 was not influenced by the presence of salts. On the contrary, the dynamic surface tensions of anionic surfactants (LAS and SLES) were significantly affected by the salts. In the mixed surfactant systems, the effect of salt increased as the composition of anionic LAS or SLES increased in the GL12/LAS and GL12/SLES mixtures.

[References]

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[1] Filippov LK, J. Colloid Interface Sci., 163(1), 49 (1994)

[2] Hua XY, Rosen MJ, J. Colloid Interface Sci., 124, 652 (1988)

[3] Adamson AW, "Physical Chemistry of Surfaces," Chapter 2 (5th ed.), John Wiley & Sons Inc., New York (1990)

[4] Fainerman VB, Miller R, Joos P, Colloid Polym. Sci., 272, 731 (1994)

[5] Tamura T, Kaneko Y, Ohyama M, J. Colloid Interface Sci., 173(2), 493 (1995)

[6] Sugihara G, Hagio M, Tanaka M, J. Colloid Interface Sci., 123, 544 (1988)

[7] Geeraerts G, Joos P, Colloids Surf. A: Physicochem. Eng. Asp., 90, 149 (1994)

[8] Scriven LE, Chem. Eng. Sci., 12, 98 (1960)

[9] Kao RL, Edwards DA, Wasan DT, Chen E, J. Colloid Interface Sci., 148, 247 (1992)

[10] MacLeod CA, Radke CJ, J. Colloid Interface Sci., 160, 435 (1993)

[11] Gao T, Rosen MJ, J. Colloid Interface Sci., 172(1), 242 (1995)

[12] Oh SG, "The Importance of Micellar Lifetime in Relation to Various Technological Processes," Ph.D. Thesis, University of Florida, Gainesville (1993)

[13] Lunkenheimer K, Wedler C, Tenside Surf. Det., 30, 5 (1993)

[14] Harwell JH, Scamehorn JF, "Mixed Surfactant Systems," Edited by K. Ogino and M. Abe, Marcel Dekker, Inc., New York (1993)

[15] Bird RB, Stewart WE, Lightfoot EN, "Transport Phenomena," Chapter 16, John Wiley & Sons, Inc., New York (1960)

[16] Attwood D, Florence AT, "Surfactant Systems: Their Chemistry, Pharmacy abd Biology," Chapter 2, Chapman and Hall, London (1983)

[17] Israelachvili J, "Intermolecular and Surface Forces," 2nd Ed., Chapter 4, Academic Press, London (1992)