Abstract
With the increase in air quality problems derived from the emission of cooking oil fumes, the oil fume purifier was widely installed in household kitchens to eliminate the oil fume. However, because of the great adhesion of the oil, the elimination efficiency of the oil fume purifier goes down and its cleaning difficulty goes up. To solve the problem, four reagents were chosen to fabricate the amphiphobic surface by immersion and chemical vapor deposition. The results showed that the surfaces modified by alcohol reagent, organic fluorine group resin reagent, and heptafluorodecyl trimethoxysilane were only hydrophobic, while perfluorodecanoic acid-modified surface was amphiphobic and its contact angles for water and peanut oil were 138.3° and 125.5° respectively. Therefore, perfluorodecanoic acid could be used to prevent sticking and recycle the condensate of cooking oil fumes on the stainless steel surface of the oil fume purifier.
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