1[1]Usuki A., Kojoma Y., Kawasumi M. Polym. Prepr., 1987,28,447.
2[2]Nalwa H. S. Handbook of Nanostructured Naterials and Nanotechnology, Chap. 1, Intercalation Compounds in Layered Host Lattices: Supramolecular Chemistry in Nanodimensions, Academic Press: San Diego, 1999,p39.
3[3]van Olphen H. An Introduction to Clay Colloid Chemistry,2nd Ed, Wiley: New York, 1997,p79.
