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Intercalation: exchangeable ions. Ion-exchange: Na + Clay - + NR 4 Cl NR 4 + Clay - + NaCl . Intercalation: compounds. www.cem.msu.edu/~pinnweb. Intercalation: exfoliation/adsorption. Intercalation: nanocomposites. Epoxy-clay nanocomposite. Gilman et al, Chem Mater 2000. - PowerPoint PPT Presentation
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Intercalation: exchangeable ions
b
c
Si+4
O-2
Al+3
Na+1
O+0
O+0
Handbook of Nano. Mater. & Nanotechn., 2000
Ion-exchange:
Na+ Clay - + NR4Cl
NR4+ Clay - + NaCl
Intercalation: compounds
www.cem.msu.edu/~pinnweb
Intercalation: exfoliation/adsorption Reducing Polar Solvent agent (e.g. H2O) MS2 AxMS2 colloidal MS2
x-
Add polymer solution Nanocomposite (PEO polymer shown)
OOO
OOO
OOO
OOO
Intercalation: nanocomposites
Epoxy-clay nanocomposite
Lebaron et al, Appl Clay Sci 1999 Gilman et al, Chem Mater 2000
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