エーテル結合を含む二塩基酸 (第6報)

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タイトル別名
  • Dibasic Acids Containing Ether Linkages. VI.
  • エーテル ケツゴウ オ フクム ニエンキサン 6 ビルダー サヨウ 4 エーテ
  • Detergency Building Action. IV. Comparison with Tribasic and Tetrabasic Acids Containing Ether Linkages
  • ビルダー作用 (その4) エーテル結合を含む二塩基酸と三塩基酸および四塩基酸との比較

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Several new polycarboxylic acids containing ether linkages were prepared and their building performances were compared with those of disodium oxadiacetate, disodium tartronate, disodium aminomethyltartronate, disodium (methylamino) methyltartronate and sodium tripolyphosphate (STPP) usingalkylbenzene sulfonate (LAS). <BR>The detergency tests were carried out on naturally soiled cotton fablics and the detergency powers were evaluated by Scheffe's method. <BR>From the results summarized in Fig.-1, it is evident that trisodium salt of 1, 1, 1-tris (carboxymethoxymethyl) ethane shows a building performance slightly superior to that of STPP, but the corre-sponding tripropionate does not show the good building power. In case of the tri-basic acids, triacetic acids are much more active than tripropionic acids. And the washing efficiency of tetrapropionic acid is about the same as that of tripropionic acids. It seems that their weak building powers are depend upon their relatively weak abilities to catch calcium ions.

収録刊行物

  • 油化学

    油化学 25 (9), 541-545, 1976

    公益社団法人 日本油化学会

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