보조계면활성제 첨가가 Alkyl Ethoxylates계 비이온 계면활성제, D-limonene, 물로 이루어진 시스템에서의 마이크로에멀젼 형성 및 세정력에 미치는 효과

이종기; 배상수; 조인식; 박소진; 박병덕; 박상권; 임종주; Jong Gi Lee; Sang Soo Bae; In Sik Cho; So Jin Park; Byeong Deog Park; Sang Kwon Park; Jong Choo Lim

Journal of the Korean Industrial and Engineering Chemistry, Vol.16, No.5, 664-671, October, 2005

Effect of Cosurfactant on Microemulsion Formation and Cleaning Efficiency in Systems Containing Alkyl Ethoxylates Nonionic Surfactant, D-Limonene and Water

이종기, 배상수, 조인식, 박소진 ¹, 박병덕 ², 박상권 ³, 임종주 ^{3, †}

애경종합기술원
¹충남대학교 화학공학과
²네오팜
³동국대학교 생명ㆍ화학공학과

Jong Gi Lee, Sang Soo Bae, In Sik Cho, So Jin Park¹, Byeong Deog Park², Sang Kwon Park³, and Jong Choo Lim^{3, †}

Aekyung R&D Center, Daejeon 305-345, Korea
¹Department of Chemical Engineering, Chungnam University, Dajeon 305-764, Korea
²Neopharm, Co., LTD., Daejeon 306-020, Korea
³Department of Chemical and Biochemical Engineering, Dongguk University, Seoul 100-715, Korea

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초록

Alkyl ethoxylates, 비이온 계면활성제, 물, d-limonene으로 이루어진 3성분 계에 보조계면활성제를 첨가한 경우, 단일상의 마이크로에멀젼이 보다 낮은 온도와 넓은 온도 영역에서 형성되었다. 특히 n-propanol을 LA-7 계면활성제계에 첨가할 경우 가장 넓은 온도 영역에서 단일상의 마이크로에멀젼이 형성되며, 보조계면활성제/계면활성제 비율이 0.3 이상인 조건에서 단일상의 마이크로에멀젼이 형성되기 시작하였다. 음이온 계면활성제 SDS를 첨가한 혼합 계면활성제 계의 경우, 30~65 ℃까지의 온도 영역에서 단일상의 마이크로에멀젼을 형성함으로써 비이온 계면 활성제 계의 온도 변화에 따른 민감성을 저하시킬 수 있었다. 또한 형성된 단일상의 마이크로에멀젼은 30~60 ℃의 온도 영역에서 pH와 경도에 대한 영향을 받지 않으며, 산화방지제에 대한 영향도 매우 작았다. 보조계면활성제와 첨가제 등에 대한 상평형 실험을 통하여 선정한 후보 세정제들은 30~40 ℃의 온도에서 abietic acid에 대한 우수한 세정력을 나타내었다.

In this study, the effect of sosurfactant on microemulsion phase behavior was investigated in ternary systems containing alkyl ethoxylates nonionic surfactant, water and d-limonene. The addition of a cosurfactant produced a microemulsion phase over a wide range of temperature and promoted formation of a microemulsion phase at lower temperatures. In particular, small amounts of n-propanol, as a cosurfactant, were found to be the most effective in extending a microemulsion phase region over a wide range of temperature. Temperature sensitivity of a nonionic surfactant system was effectively relieved by addition of the anionic surfactant sodium dodecyl sulfate. And the formation of one phase microemulsion was not affected by pH, hardness concentration and addition of an antioxidation agent. The cleaner candidates were determined from microemulsion phase behavior study, and their cleaning efficiency was tested using a dipping method. All the cleaner candidates selected during this study showed excellent removal efficiency for abietic acid over a temperature range from 30 to 40 ℃ presumably due to a decrease in interfacial tension.

Keywords:microemulsion phase behavior;nonionic surfactant;cosurfactant;cleaning efficiency

[References]

노경호, 최대기, 이윤용, CFC 대체 세정제의 특성, 화학공업과 기술, 10, 328 (1992)
오존층보호관련법령집, 한국정밀화학공업진흥회 (1992)
노경호, CFC 대체물질을 이용한 세정기술, 공기조화 냉동공학, 25, 53 (1996)
Raney KH, Benton WJ, Miller CA, J. Colloid Interface Sci., 117, 282 (1987)
Mori F, Lim JC, Raney OG, Elsik CM, Miller CA, Colloids Surf. A: Physicochem. Eng. Asp., 40, 323 (1989)
Mori F, Lim JC, Miller CA, Prog. Colloid Polym. Sci., 82, 114 (1990)
Raney KH, Benson H, J. Am. Oil Chem. Soc., 67, 722 (1990)
Miller CA, Raney KH, Colloids Surf. A: Physicochem. Eng. Asp., 74, 169 (1993)
Ko HK, Lee JK, Park SJ, Park BD, Hong JK, Park SK, Lim JC, HWAHAK KONGHAK, 40(3), 316 (2002)
Lim JC, Mori F, J. Korean Ind. Eng. Chem., 5(2), 274 (1994)
Lim JC, J. Korean Ind. Eng. Chem., 6(4), 610 (1995)
Lim JC, J. Korean Ind. Eng. Chem., 8(3), 473 (1997)
Ko HK, Park BD, Lim JC, J. Korean Ind. Eng. Chem., 11(6), 679 (2000)
Cox MF, J. Am. Oil Chem. Soc., 63, 559 (1986)
Kahlweit M, Strey R, Busse G, J. Phys. Chem., 94, 3881 (1990)
Miller CA, Neogi P, Interfacial Phenomena : Equilibrium and Dynamic Effects, Marcel Dekker, New York (1985)
Strey R, Jonstroemer M, Colloids Surf., 66, 4537 (1992)
Kilman HS, vanSteen PHF, Surface Active Agents, Society Chemical Industry, 191, London (1979)
Shinoda K, Arai H, J. Phys. Chem., 68, 3485 (1964)
Shaeiwitz JA, Chan AG, Evans DF, Cusseler EL, J. Colloid Interface Sci., 84, 47 (1981)
Beaudoin SP, Grant CS, Carbonnel RG, I&EC Research, 34, 3307 (1995)

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[2] 오존층보호관련법령집, 한국정밀화학공업진흥회 (1992)

[3] 노경호, CFC 대체물질을 이용한 세정기술, 공기조화 냉동공학, 25, 53 (1996)

[4] Raney KH, Benton WJ, Miller CA, J. Colloid Interface Sci., 117, 282 (1987)

[5] Mori F, Lim JC, Raney OG, Elsik CM, Miller CA, Colloids Surf. A: Physicochem. Eng. Asp., 40, 323 (1989)

[6] Mori F, Lim JC, Miller CA, Prog. Colloid Polym. Sci., 82, 114 (1990)

[7] Raney KH, Benson H, J. Am. Oil Chem. Soc., 67, 722 (1990)

[8] Miller CA, Raney KH, Colloids Surf. A: Physicochem. Eng. Asp., 74, 169 (1993)

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[14] Cox MF, J. Am. Oil Chem. Soc., 63, 559 (1986)

[15] Kahlweit M, Strey R, Busse G, J. Phys. Chem., 94, 3881 (1990)

[16] Miller CA, Neogi P, Interfacial Phenomena : Equilibrium and Dynamic Effects, Marcel Dekker, New York (1985)

[17] Strey R, Jonstroemer M, Colloids Surf., 66, 4537 (1992)

[18] Kilman HS, vanSteen PHF, Surface Active Agents, Society Chemical Industry, 191, London (1979)

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[20] Shaeiwitz JA, Chan AG, Evans DF, Cusseler EL, J. Colloid Interface Sci., 84, 47 (1981)

[21] Beaudoin SP, Grant CS, Carbonnel RG, I&EC Research, 34, 3307 (1995)