N-아실-아미노산계 계면활성제에 관한 연구(제7보)-N-아실-아미노산계 음이온성 계면활성제의 고/액간 분산성-

김태영; 김흥수; 노윤찬; 정노희; 남기대

Journal of the Korean Industrial and Engineering Chemistry, Vol.6, No.5, 767-774, October, 1995

Studies on the Surfactants of the N-Acyl Amino Acid(7) -Soli/Liquid Dispersion of N-Acyl Amino Acid Type Anionic Surfactants.-

김태영, 김흥수, 노윤찬, 정노희, 남기대

초록

N-아실 아미노산계 음이온성 계면활성제 중 sodium N-acyl-N-methyl-β-alaninate, sodium N-acyl sarcosinate 그리고 sodium N-acyl-N-methyl taurate를 선택하여 고/액간 분산을 검토하였다. 이들 화합물들의 고/액간 분산 안정성은 사용된 계면활성제의 일정농도(10^-4∼10^-2mol/ℓ) 범위 내의 묽은 수용액중에서 산화철을 이용하여 수계 내에서의 분산의 안정도(W), 한계응집농도(cfc), 침강시간(T_1/2) 그리고 제타전위(ζ)를 DLVO이론에 근거해서 비교·검토하였다. N-아실 아미노산계 계면활성제의 카르복실산염과 술폰산염의 분산안정성을 비교한 결과 술폰산염이 양호한 결과를 나타냈고, 이러한 화합물은 일정농도 범위에서 분산 안정성이 우수하였다.

Solid/Liquid dispersion properties for the dilute aqueous solution of N-acyl amino acid type anionic surfactants that is, sodium N-acyl-N-methyl-P-alaninate, sodium N-acyl sarcosinate and sodium N-acyl-N-methyl taurate are investigated. The stability of solid/Liquid dispersion of these compounds was investigated by using the modified DLVO theory and using aqueous ferric oxide colloidal suspensions as a dispersoids. The stability ratio(W), critical flocculation concentration(cfc), settling time(T_1/2) and zeta potential (ζ) were examined with the variation of concentration 10^-4∼10^-2mol/ℓ of long chain N-acyl amino acid type anionic surfactants. The difference in the dispersion stability of carboxylate and sulfonate of the N-acyl amino acid type surfactants were checked. It was found that the sulfonate compounds were more stable than the carboxylate ones. These compounds had a good dispersion stability at a certain concentration range.

[References]

Jungermann E, J. Am. Chem. Soc., 78, 172 (1956)
Japan Patent, 2,218,657 (1990)
Tsuchia M, Bull. Chem. Soc. Jpn., 42, 1756 (1969)
Matzner M, Chem. Rev., 64, 645 (1964)
김태영, 공학박사학위논문, 충북대학교 (1994)
Morriyama N, J. Colloid Interface Sci., 53, 142 (1971)
Urbain WM, Jensen LB, J. Phys. Chem., 40, 821 (1936)
Corrin ML, Lind EL, Roginsky A, Harkins W, J. Colloid Sci., 4, 485 (1949)
Vold PD, J. Phys. Colloid Chem., 53, 1262 (1947)
Mankowich AM, Ind. Eng. Chem., 44, 1151 (1952)
Hansen RS, Craig RP, J. Phys. Chem., 58, 211 (1954)
Alexander AE, McMullen AI, "Surface Chemistry," 309, Butterworths Scientific Publications, New York (1949)

[Referenced By]

[1] Jungermann E, J. Am. Chem. Soc., 78, 172 (1956)

[2] Japan Patent, 2,218,657 (1990)

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

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

[5] 김태영, 공학박사학위논문, 충북대학교 (1994)

[6] Morriyama N, J. Colloid Interface Sci., 53, 142 (1971)

[7] Urbain WM, Jensen LB, J. Phys. Chem., 40, 821 (1936)

[8] Corrin ML, Lind EL, Roginsky A, Harkins W, J. Colloid Sci., 4, 485 (1949)

[9] Vold PD, J. Phys. Colloid Chem., 53, 1262 (1947)

[10] Mankowich AM, Ind. Eng. Chem., 44, 1151 (1952)

[11] Hansen RS, Craig RP, J. Phys. Chem., 58, 211 (1954)

[12] Alexander AE, McMullen AI, "Surface Chemistry," 309, Butterworths Scientific Publications, New York (1949)