N-아실 아미노산계 계면활성제에 관한 연구(제10보)-컴퓨터 프로그래밍에 의한 이론적 임계미셀농도 및 미셀화영역의 산정-

김태영; 노윤찬; 김홍수; 강윤석; 남기대

Journal of the Korean Industrial and Engineering Chemistry, Vol.7, No.2, 221-227, April, 1996

Studies on the Surfactants of the N-Acyl Amino Acid(part 10)-The Estimation of Theoretical cmc and Micellization Range by Computer Programming

김태영, 노윤찬, 김홍수, 강윤석, 남기대

초록

N-아실 아미노산계 음이온성계면활성제 중 sodium N-acyl-N-methyl-β-alaninate, sodium N-acyl sarcosinate 그리고 sodium N-acyl-N-methyl taurate 유도체 12종을 선택하여 묽은 수용액내에서 임계미셀농도와 미셀화 영역을 결정하는 새로운 방법으로서 컴퓨터프로그래밍에 의한 표면장력 곡선의 최대화를 제안하였다. 임계미셀농도와 미셀화 영역은 몇몇 실험치를 직접 프로그램에 대입함으로써 곡선의 최대화에 의해서 이론적으로 산정할 수 있다. 이론적으로 구한 임계미셀농도값들은 실측치와 거의 일치함을 알 수 있다.

Micellization range and cmc for the dilute aqueous solution of N-acyl amino acid type anionic surfactants, that is, sodium N-acyl-N-methyl-β-alaninate, sodium N-acyl sarcosinate and sodium N-acyl-N-methyl taurate were investigated by computer programming. The extreme of the curvature of σ(C) as a new suggested method to determine the cmc and the micellization range was accomplished with computer programming. The values of cmc and micellization range can be obtained by the extreme of the curve by direct processing of only a few experimental data. The values of cmc particulary was in good agreement with those deduced intuitively from the shape of experimental curves of σ(C).

[References]

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Nakagawa T, Shinoda K, "Solvent Porperties of Surfactant Solution," 121-135, Marcel Dekker, New York (1967)
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Nagarajan R, Langmuir, 1, 331 (1971)
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[1] International Critical Tables, 4, 432 (1928)

[2] Surfactant Science Series, Anionic Surfactants, 7, 470, Marcel Dekker Inc., New York (1976)

[3] Herjfied JH, J. Phys. Chem., 56, 953 (1952)

[4] Jerrmann K, J. Colloid Interface Sci., 22, 352 (1960)

[5] Bardy AP, J. Phys. Chem., 53, 56 (1949)

[6] Nakagawa T, Shinoda K, "Solvent Porperties of Surfactant Solution," 121-135, Marcel Dekker, New York (1967)

[7] Sata N, Kyuzyo K, Bull. Chem. Soc. Jpn., 26, 177 (1953)

[8] Drugarin C, Balint A, Balint S, Tenside Surf. Det., 28, 57 (1991)

[9] 김태영, 공학박사학위논문, 59, 충북대학교 (1994)

[10] Tsuchia M, Bull. Chem. Soc. Jpn., 42, 1756 (1969)

[11] Matzner M, Chem. Rev., 64, 645 (1964)

[12] Kim TY, Kim SC, Lee SJ, Lee JH, Nam KD, J. Korean Ind. Eng. Chem., 6(5), 785 (1995)

[13] Conte SD, deBoor C, "Elementary Numerical Analysis," 3rd edition, McGraw-Hill, New York (1980)

[14] Shampine L, Allen R, "Numerical Computing," Saunders, Philadelphia (1973)

[15] Robinson SR, J. Numer. Anal., 16, 1971 (1979)

[16] Nishikido N, J. Colloid Interface Sci., 60, 242 (1977)

[17] Scamehorn JF, Wade WH, J. Dispersion Sci. Technol., 3, 261 (1982)

[18] Rosen MJ, Hua WY, J. Colloid Interface Sci., 86, 164 (1982)

[19] Kamrath RF, Franses EI, Ind. Eng. Chem. Fundam., 22, 230 (1983)

[20] Kamrath DF, Franses EI, J. Phys. Chem., 88, 1642 (1984)

[21] Kamrath RF, Franses EI, "Surfactants in Solution," 129, Plenum Press, New York (1984)

[22] Stecker MM, Benedek GB, J. Phys. Chem., 88, 6519 (1984)

[23] Nagarajan R, Langmuir, 1, 331 (1971)

[24] Kobert F, Elias I, ACS Symp. Ser., 311, 44 (1986)

[25] Holland PM, Rubingh DN, J. Phys. Chem., 7, 1984 (1983)

[26] Szleifer I, Benshaul A, J. Phys. Chem., 86, 7094 (1987)

[27] Dill KA, Cantor RS, "Proc. INT. SCH. PHYS. ENRICO FERMI," 90, 376-393 (1985)

[28] Piercy JM, Jones N, Ibbotson G, J. Colloid Interface Sci., 37, 165 (1971)