ON THE INTERACTION OF SURFACE ACTIVE AGENTS WITH SERICIN

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  • Aoki Ichizo
    Faculty of Textile Fibres, Kyoto University of Industrial Arts and Textile Fibres

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Other Title
  • セリシンと界面活性剤の相互作用についで
  • セリシン ト カイメン カッセイザイ ノ ソウゴ サヨウ ニ ツイテ

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Abstract

Adsorption behaviours of various surface active agents, anionic, cationic and nonionic, were studied by the microelectrophoresis. It was found that, when polar groups of surface active agents were the same, the free energy of adsorption increased with increasing chain length, and was greater for anionic than for cationic surface active agent. No difference was found between adsorption behaviours of surface active agents, unlike those of thorium ions on sericin A and B.<br>The nonionic surface active polymers of the pluronic type, EPAN's, were found to behave as anionic surface active agents, when their effect on uncovered sols were examined. However, no adsorption was found to take place on sol particles covered with sericin.<br>Electron micrograph showed that the morphology of the coagulum of silver iodide sol covered with sericin, obtained by the addition of ionic surface active agents, was very different from that obtained by the direct addition of sericin or inorganic electrolyte to the silver iodide sol uncovered.

Journal

  • Sen'i Gakkaishi

    Sen'i Gakkaishi 26 (5), 200-207, 1970

    The Society of Fiber Science and Technology, Japan

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