Hybrid lamellar nanocomposites based on organically functionalized magnesium phyllosilicate clays with interlayer reactivity
1998; Royal Society of Chemistry; Volume: 8; Issue: 8 Linguagem: Inglês
10.1039/a802120a
ISSN1364-5501
AutoresNicola T. Whilton, Sandra L. Burkett, Stephen Mann,
Tópico(s)Clay minerals and soil interactions
ResumoA series of layered magnesium phyllo(organo)silicate nanocomposites that contain covalently linked organic functionalities have been prepared by a one-step, direct synthesis procedure. Organoclays with allyl, epoxy, imidazole or ethylenediamino functionalities were synthesized and characterized by XRD, TEM, FTIR and solid state 29Si and 13C NMR spectroscopy. The epoxy-functionalized nanocomposite undergoes in situ cross-linking reactions with m-phenylenediamine to produce a polymer-inorganic lamellar hybrid, as well as ring-opening reactions with methyl thioglycolate to give a covalently linked hydroxysulfide derivative. The ethylenediamino-functionalized magnesium phyllo(organo)silicate showed good binding capacity for aqueous CoII.
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