the present invention discloses a method for producing a clay / amo complex by modifying layered inorganic silicate clay with the intercalating agent amo . the amo is prepared by polymerizing polyoxyalkylene amine having molecular weight over 1000 , p - cresol and formaldehyde . the present invention also discloses a method for producing nanosilicate plates by extracting the amo from the above complex with a hydroxide or a chloride of alkali metal or alkaline - earth metal . the extracted amo can be recycled for reusing .