화학공학소재연구정보센터
Journal of the Korean Industrial and Engineering Chemistry, Vol.13, No.5, 486-489, August, 2002
염화페나실로 합성된 새로운 4급 암모늄염의 계면 활성도
Surface Activity of New Quaternary Ammonium Salts Prepared from Phenacyl Chloride
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초록
염화페나실과 N,N-dimethylalkylamine들의 반응으로 새로운 일련의 4급 암모늄염[dimethyl-(2-oxo-2-phenethyl)alkylammonium chlorides (DPAACs: 3]을 합성하였다. 이들의 구조와 물리적 특성을 조사하였고, 몇 가지 계면활성제의 특성을 측정하였다. 4급 암모늄염 3의 표면장력(γcmc)과 최소저해농도(MIC)는 알킬기의 탄소수에 영향을 받은 것으로 나타났으며, 특히 알킬기의 탄소수가 12개인 화합물 3c가 가장 높은 살균력과 좋은 계면활성을 보였다.
A new series of quaternary ammonium salts, [dimethyl-(2-oxo-2-phenethyl)alkylammonium chlorides (DPAACs): 3] were prepared from the reaction of phenacyl chloride with N,N-dimethylalkylamines in boiling ethanol or isopropanol. The structure and the physical properties of these compounds were investigated and some surfactant properties of them were measured. The surface tension (γcmc) and the minimal inhibitory concentration (MIC) of quaternary ammonium salts were found to be influenced by the carbon atom of alkyl group and especially, compound 3c of 12 carbon atom of alkyl group exhibited high bactericidal activity and good surface-active properties.
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