Synthetic imogolite: properties, synthesis and possible applications

DOI Web Site 被引用文献29件

書誌事項

公開日
1983-12
権利情報
  • https://www.cambridge.org/core/terms
DOI
  • 10.1180/claymin.1983.018.4.11
公開者
Mineralogical Society

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説明

<jats:title>Abstract</jats:title><jats:p>The unique properties of imogolite are closely related to its structure, which is a tube of 23–27 Å outer diameter and ∼10 Å inner diameter, with an AIOH outer surface and SiOH inner surface. Acid dispersions contain the long, positively-charged tubes as isolated units or small bundles, which form bulky gels in alkali, and flocculate with negatively-charged colloids, polyvalent anions, and long-chain anionic detergents. Sorption properties are associated with the 10 Å intra-tube pores and with inter-tube channels of variable dimensions. Surface acidity is less than that of layer-silicate clays. The chemical and mechanical stability, biological activity, film- and fibre-forming characteristics, and conditions of synthesis are reviewed, on the basis of both new and published findings. Areas of potential application are indicated.</jats:p>

収録刊行物

  • Clay Minerals

    Clay Minerals 18 (4), 459-472, 1983-12

    Mineralogical Society

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