화학공학소재연구정보센터
Clean Technology, Vol.9, No.1, 9-21, March, 2003
수계세정제의 계면활성제 종류에 따른 물성, 세정성 및 유수분리 영향 연구
Effect of surfactant types in aqueous cleaning agents on their physical properties, cleaning ability and oil-water separation
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초록
CFC-113, 1,1,1-TCE는 오존 파괴물질로 선진국에서는 이미 사용이 전면 규제되고 있고 MC, TCE는 유해성 또는 발암성물질로 판명되어 일부사업장에서 제한적으로 사용되고 있다. 그러므로 세정성이 좋고 환경/안전성이 우수한 대체세정제를 개발하여 사용하거나 기존 개발된 세정제 중에서 우수한 세정제를 선정하여 사용하는 것이 필요한 실정이다. 대체세정제로는 수계세정제가 환경성과 경제적면에서 유망한 것으로 평가받고 있어 많은 사업장에서 사용될 전망이다. 본 연구에서는 환경친화적인 수계세정제를 개발하기 위하여 수계세정제의 주요성분인 여러 형태의 계면활성제를 선정하여 이들의 물성, 거품성, 오염물 종류에 따른 세정성, 유수분리성을 평가하여 비교하였다.
CFC-113 and 1,1,1-TCE which are ozone destruction substances are not used any more in the advanced countries because of Montreal protocol. MC and TCE are now used restrictively at small part of industrial fields in most of countries since they are knoun to be hazardous or carcinogenic materials. Thus, it is indispensible that the alternative cleaning agents which are environmental-friendly and safe, and show good cleaning ability should be developed or utilized for replacement of the halogenated cleaning agents. Aqueous cleaning agents are evaluated to be promising alternative ones among various alternatives in environmental and economical view point. This study has been carried out as a part of development program of aqueous cleaning agent. First of all, several types of surfactants which are the most important component in aqueous cleaning agents were chosen, and thd physical properties, foaming ability, cleaning ability and oil-water separation efficiency of their aqueous solutions were measured and compared for selection of proper type of surfactant in aqueous cleaning agents.
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