ドライクリーニングに関する研究 : 布の種類による汚染性・洗浄性の相違について

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タイトル別名
  • A Study on Dry-Cleaning : Various Kinds of Cloths and their Soil Deposition and Solution
  • ドライ クリーニング ニカンスルケンキュウ ヌノ ノ シュルイ ニヨル オセン
  • 〓

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説明

To examine the relation between solution and soil redeposition in dry cleaning, we chose 5 different cleaning-houses where perchloroethylene is used as solvent with the washing attached by a white cloth and other various fabrics soiled by carbon black, such as cotton, wool, polyester, and acrylonitrile, and again 5 different cleaning-houses where petroleum is used. From Oct., 1973 to Mar., 1974 we pursued our examinations of the actual conditions of these cleaning-houses. As regards the kinds of cloths and their redeposition, a generalization can not be made because there are various factors that must be considered, but a comparatively high degree of soil redeposition was acknowledged in the case of cotton and acrylonitrile. As regards various kinds of cloths and their detergent efficiency, detergent efficiency was high in wool and was remarkably low in acrylonitrile. As regards the relation between degree of soiling and detergent efficiency, we could see that there are two classes of cleaning-houses, That is, (1) the kind where the degree of soil redeposition is low and detergent efficiency is high, and (2) the kind where the degree of soil redeposition is low and detergent efficiency is also low. We conclude therefore that the examination of the degree of soiling must always be accompanied by that of the relation between it and the solution.

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