Layered Double Hydroxides (LDH) are so called anionic clays, meaning the individual platelets of the LDH have a positive excess charge. Perkalite is based on Magnesium Alumina Hydroxides, where the excess charge is located at the alumina position. The positive excess charge can be counterbalanced by miscellaneous modifiers: e.g. organic anions, OH- or CO32-.
|By the organic modification of Perkalite, the interaction between the individual Perkalite platetlets is reduced and the compatibility with the polymer matrix improved. A true nanocomposite can be obtained when Perkalite is properly compounded into a polymer.
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