Abstract
Silylation of vermiculite surface with organosilane (H3CO)3SiR, being R is the corresponding organic moieties –CH2CH2CH2Cl, were carried out to yield organofunctionalized nanomaterial, named as VCl. The product reacted subsequently with three aliphatic diamines H2N (CH2)nNH2 (n=2, 4 and 6). The new hybrids were characterized by elemental analysis, infrared spectroscopy, X-ray diffraction and thermogravimetry. The grafting chloro derivates onto surface amounted to 2.1 mmol g–1. The incorporation of alkyl amines was more effective for butyl>ethylene>hexyldiamines. The sequence is in agreement with thermogravimetry and elemental analysis data.
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Alves, A.P.M., Silva, A.L.P., da Silva, O.G. et al. Synthesis and characterization of hybrids derived from vermiculite chloropropyl and aliphatic diamines. J Therm Anal Calorim 87, 771–774 (2007). https://doi.org/10.1007/s10973-006-7855-0
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DOI: https://doi.org/10.1007/s10973-006-7855-0