ドライクリーニングにおける水溶性汚れの除去に及ぼす溶剤相対湿度の影響

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Effect of solvent relative humidity on removal of water-soluble soils from wool fabric has been studied in the solution of 0.1M Aerosol OT in hexane at 20°C. Five kinds of inorganic salts, potassium bromide, ammonium chloride, sodium chloride, sodium bromide, and potassium thiocyanate, were used as model water-soluble soils. A saturated aqueous solution of each salt has different relative humidity. The relative water vapor pressure over the solution was measured by an electric hygrometer. In general the removal of each salt increased markedly in the vicinity of 75% solvent relative humidity independently of each intrinsic relative humidity of the saturated aqueous solutions of these salts. Though these experimental results did not conform to the Fultons theory on removal of water-soluble soils in drycleaning, they were explained in relation to the state of water absorbed by wool in nonaqueous solutions reported in our previous papers.
社団法人日本油化学会の論文