Effect of Solvents on Phase Behavior and Flux Removal Efficiency in Alkyl Ethoxylates Nonionic Surfactant Based Cleaners

Alkyl Ethoxylates계 비이온 계면활성제를 주체로 한 세정제에서 용제에 따른 상거동과 플럭스 제거 효능

  • Received : 2005.06.08
  • Accepted : 2005.08.23
  • Published : 2005.10.10

Abstract

In this work, the effect of additives such as solvent, sodium dodecyl sulfate and NaCl on microemulsion phase behavior and flux removal efficiency in systems containing commercial alkyl ethoxylates nonionic surfactant was investigated. The addition of a n-hydrocarbon as a solvent produced on O/W (Oil/Water) microemulsion phase over a wider range of temperature and cosurfactant to surfactant ratios. Especially, the addition of n-hexadecane to the surfactant system, which was the most hydrophobic solvent among the solvents used in this study, produced a microemulsion phase over a wide range of temperatures and promoted formation of a microemulsion phase at lower temperatures. The candidate for cleaner samples, prepared from phase behavior experiments, showed excellent removal efficiency for abietic acid at $40^{\circ}C$. These data suggested the potential applicability of hydrocarbons to actual cleaner formulations.

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