Journal
THEORETICAL AND EXPERIMENTAL CHEMISTRY
Volume -, Issue -, Pages 214-221Publisher
SPRINGER
DOI: 10.1007/s11237-023-09781-6
Keywords
montmorillonite; modification; modifier; organoclay; cationically active oligourethane
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A method of modifying montmorillonite using polar oligourethane containing reactive amino groups has been developed. The study shows that the functionalized montmorillonite can react with aromatic and aliphatic diisocyanates, as well as sequentially react with aromatic diisocyanates and glycerol, which is essential for its application as a filler in polymer materials. Wide-angle X-ray scattering reveals that the interlayer distance d001 of montmorillonite in the obtained samples varies depending on the conformation and orientation of the oligourethane fragments.
A method of montmorillonite modification with polar oligourethane containing reactive amino groups has been developed. It is shown that functionalized montmorillonite is capable of adding aromatic and aliphatic diisocyanates, as well as sequential addition of aromatic diisocyanates and glycerol, which is essential for montmorillonite application as filler for polymer materials. According to wide-angle X-ray scattering, interlayer distance d001 of montmorillonite in the obtained samples varies depending on nature of oligomer macromolecules in the interlayer space that is explained with different conformation and orientation of aromatic and aliphatic oligourethane fragments.
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