Abstract
By partial sulfonation, desulfonation and ion exchange polytsyrene sulfonic acid resins were synthesized having the same capacity (1.3 milliequivalents/g). By the variation of the preparation methods, however, the distribution of the acid groups within the resins could be changed in a defined way so that different concentration profiles were obtained. It is shown that the properties and reaction behavior of the polymeric resins are determined to a large extent by the local concentration of the functional groups.
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