Developments in Ionic Polymers—2 53 For more than 20 years

For more than 20 years

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Developments in Ionic Polymers—2 53 For more than 20 yearsIonic polymers, like elephants, are easier to recognise than to define. Several methods of classification have been attempted but none is wholly satisfactory because of the extreme diversity of ionic polymers, which range from the organic, water soluble polyelectrolytes, through hydrogels and ionomer carboxylate rubbers, to the almost infusible inorganic silicate minerals. For this reason, a general classification is not only difficult, but has