Intercalation: exchangeable ions

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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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