Formation of Cross-Linking Montmorillonite Nanocomposites by Adopting Chromium Compound

Abstract

Abstract: The interlayered cross-linking of a 2:1 type montmorillonite with chromium cluster compound[Cr₃O(OOCCH₃)₆(OH₂)₃]Cl·6H₂O (namely CrC) was studied by X-ray diffraction, infrared analysis, differential
thermal analysis, specific surface and ammonia adsorption measurement. Its preparation method, various influencing factors and some physical and
chemical properties were also dealt with. As indicated by the results, the synthesis conditions such as species, size and Cr/Al molecular ratio of
cross-linking agent greatly affect an interlayer space(d₀₀₁); whereas an interlayer space of nanocomposite, CrC/clay ratio and Cr/Al molecular
ratio of cross-linking agent play a very important role, influencing on surface properties and thermal stability of cross-linking montmorillonite
nanocomposites.

Key words: montmorillinite, chromium cluster, cross-linking agent, nanocomposite

CLC Number:

TQ266
TB33

XIAO Zi-Jing,DAI Jing-Cao,YE Ling. Formation of Cross-Linking Montmorillonite Nanocomposites by Adopting Chromium Compound[J]. Journal of Inorganic Materials.

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Formation of Cross-Linking Montmorillonite Nanocomposites by Adopting Chromium Compound

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