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Prevention of Oil Stain on Steel Induced by Fat and Oil Compounds (유지화합물에 의해 생성된 철판의 기름얼룩 방지)

  • Chung, Yeong-Jin;Nam, Chong-Woo
    • Applied Chemistry for Engineering
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    • v.5 no.3
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    • pp.419-424
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    • 1994
  • An oil stain on the steel induced by metal working oil was studied on the six kinds of fat and oil compounds(rapeseed oil, oleic acid, methyl oleate, oleyl alcohol, lauryl amino, and lanolin) by MIL-C-22235A test. The samples used for the printing on the oil stain plates were prepared by the addition of fat and oil compounds(10wt% ) and antioxidants(B. H. T, B. T, T. C. P; 0.5wt%) to base oil(spindle oil; 1.5wt% of sulfur). An analysis based on the experimental data indicated that B.T was more effective than B. H. T and T. C. P as antioxidant for inhibiting oil stains. And acid values exerted a bad influence upon the preventation of oil stains. As expected by the chemical structure of fat and oil compound, oleic acid that could react with iron ions produced more stains on the steel pannel.

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