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Effect of Interfacial Properties on the Detergency in Dishwashing Agent Composition

식기용 세정제 조성에 있어서 계면물성이 세정력에 미치는 영향

  • Oh, Hyun-Joo (Mamaforest, B210-1 Glocal SanHak center, Dankook university) ;
  • Lim, Hyo-Seon (Mamaforest, B210-1 Glocal SanHak center, Dankook university) ;
  • Kim, Young-Ho (Department of Chemical engineering, Hankyong National University)
  • Received : 2019.12.02
  • Accepted : 2020.03.13
  • Published : 2020.04.10

Abstract

The effects of the composition of the dishwashing detergent on interfaces of the oil (O) and the aqueous (W) solution in addition to the cleaning effects of interfacial properties were investigated. Also, the cleaning power of the oil contaminated on the surface of the dish according to each composition and the residuals of the contaminants and the cleaning agent after the washing rinses were evaluated. The removal of contaminated oil on the solid (S) surface in the composition of the cleaning agents used in this study was strongly related to the interfacial properties between the W/O/S, and was particularly dependent on the forward and backward dynamic contact angles. When both contact angles were low at the same time, the permeability of the cleaning solution was so high that the contaminated oil showed a high removal effect. The smaller the interfacial tension of O/W was, the better emulsification of the contaminated oil, the higher the interfacial tension, and the poorer emulsification were achieved. However, the emulsification effect did not significantly affect the cleaning power. In particular, in the case of the cleaner having low interfacial tension, the cleaning material remained on the surface of the solid after washing.

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