The Mixing Effect of Oxyethylene Series Nonionic Surface Active Agents. I.

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Other Title
  • オキシエチレン系非イオン界面活性剤の混合効果 (第1報)
  • オキシエチレンケイ ヒイオン カイメン カッセイザイ ノ コンゴウ コウカ 1
  • The Results of Mixing Nonionic Surface Active Agents which merely vary Additional Oxyethylene Mole Numbers
  • オキシエチレン付加モル数のみが異なる非イオン界面活性剤の混合効果

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Distilled and purified tetra-, penta-, and hexa-ethyleneglycol capric mono esters were synthesized, and were purified further by repeating cromatography, molecular distillation and some other processes.<BR>The aqueous solutions of the above samples and their mixtures were prepared and measured their cloud points, lathering properties and CMC.<BR>It has been recognized a near linear relationship between the cloud points and the HLB of a series of non-ionic surface active agents in which additional oxyethylene mole numbers merely vary.<BR>In the case of the purified samples and their mixtures, similar relations were obtained.<BR>The relation between the lathering properties, the cloud points and the CMC of the purified samples and their mixtures seemed to be continuous.<BR>Consequently, it is considered that the experience obtained from the measurements of the samples which were purified and limited the additional oxyethylene mole distribution can be applicable to analogize the properties of a simple substance.

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