洗浄に関する研究 (第12報) : 洗浄力に対する粘土の影響

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The authors have developed an artificially soiled cloth, the washing behavior of which was similar to that of naturally soiled cloth, but overall behavior of the artificial soil was still insufficient to estimate detergency of alkaline builders under various conditions. Therefore, the effect of clay, which is a main component of the artificial soil prepared in our laboratory, on detergency was investigated.<BR>1) The crystal structure of clay had much influence on detergency. The artificial soil prepared from the crystalline clay was removed more easily than the soil obtained by calcining the crystalline clay.<BR>2) The crystalline clay adsorbed far more ABS and STPP than the amorphous clay.<BR>3) The particle size and the moisture content of clay did not affect on detergency.
社団法人日本油化学会の論文