高等学校家庭科における洗濯実験教材の開発 : 洗濯時の「再汚染」の視点から
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概要
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Detergency as applied to washing depends on the removal of soil and the prevention of its recontamination. The more soil is removed, the more preventive recontamination is gained. As a consequence, we benefit by cleaner clothing. It is generally thought that teaching washing in homemaking education is not the prevention of recontamination of soil but its removal. An experiment was attempted in order to clarify the effect of CMC and HPC on detergency, its anti-recontamination, emulsification and solubilization behaviors of sodium dodecylbenzene sulfonate (DBS) toward two particulate soils (carbon black and iron oxide) and oily soils (oil-soluble dyes). It is presumed that it is useful to develop experimental teaching materials on the effect of builders toward detergency from a viewpoint of soil-recontamination.
- 1999-10-01