Adsorption and polymerization of acrylamide in the Na-montmorillonite and Na-fluor-tetrasilicic mica.

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  • Ｎａ‐モンモリロナイト及びＮａ‐フッ素四ケイ素雲母中のアクリルアミドの吸着と重合
  • Na モンモリロナイト オヨビ Na フッソ 4 ケイソ ウンモチュウ ノ ア

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Description

Complex composite films were prepared by adding acrylamide (AAm) and water to sodium montmorillonite (Mont) or to sodium fluor-tetrasilicic mica (TSM). Adsorption and polymerization of AAm in the films were investigated. The interlayer specing of the film was 9.6Å for the Mont-complex and 8.8Å for the Na-TSM complex as determined by X-ray diffraction measurement. The quantity of crystals in the film was caluculated from the heat of fusion of AAm by differential scanning calorimetry (DSC). The quantity of AAm crystals determined by DSC was found to be considerably smaller than that of initially added AAm. The quantity of uncrystallized AAm was nearly equal to that of AAm intercalated into the interlayer space, 1/K. The AAm-crystals are located on the surfase other than the interlayer space. The AAm in the films was polymerized upon gamma-ray irradiation. The extent of polymerization increased almost linearly with the irradiation time. The interlayer space of the film polymerized did not change from that of the unirradiated film.

Journal

  • KOBUNSHI RONBUNSHU

    KOBUNSHI RONBUNSHU 47 (8), 631-638, 1990

    The Society of Polymer Science, Japan

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