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http://dx.doi.org/10.7464/ksct.2010.16.3.172

A Study on the Applicability of $C_5$ Hydrofluoroether-based Formulated Cleaning Agents as CFC-Alternatives  

Min, Hye-Jin (Dept. of Chemical Engineering, The University of Suwon)
Bae, Jae-Heum (Dept. of Chemical Engineering, The University of Suwon)
Chang, Yoon-Sang (Dept. of Mechanical Engineering, The University of Suwon)
Publication Information
Clean Technology / v.16, no.3, 2010 , pp. 172-181 More about this Journal
Abstract
Hydrofluoroethers (HFEs) with fluoride molecules in their structure which are evaluated as the third generation replacement alternatives to chlorofluorocarbons (CFCs) are known to be excellent for removal of nanoparticles and fluoride-type soils due to their low surface tension and high wetting index. In addition, HFEs have good physical properties with no flash point and excellent drying characteristics. But, HFEs also have shortcomings in that they are not effective for removal of organic soils due to their poor solubility in soil. In this study, $C_5$ HFE-based cleaning agents were formulated through addition of solvents such as isopropyl alcohol (IPA), ethyleneglycol monoether (EG), propyleneglycol monoethylether (PM) to HFE-7100 [$CF_3CF_2CF_2CF_2OCH_3$] or HFE-mec-f [$CF_3CHF=CF_2OCH_2CF_3$] with its maximum amount, respectively, in order to have no flash point for the safety in the working environment. These solvents are known to be excellent for dissolving organics in soil. Their physical properties and cleaning abilities for fluxes, water-insoluble cutting oils, and fluoride-type oils were evaluated and compared with those of other cleaning agents with single components. The experimental results show that the HFE-based formulated cleaning agents have various good physical properties which are almost similar to those of a single type of HFE cleaner. They show excellent cleaning ability for fluxes, water-insoluble cutting oils, and fluoride-type oils. These results indicate that the HFE-based formulated cleaning agents can be applicable to various industrial cleaning fields because of their good physical properties and cleaning abilities for various soils.
Keywords
Hydrofluoroether; Formulation of cleaning agents; Alternative cleaning agents; Evaluation of cleaning ability;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
연도 인용수 순위
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