prov:value
| - ted polymerizable monomers, X is an optional spacer group, R.sub.1, R.sub.2, R.sub.3, and R.sub.4 are independently alkyl or aryl groups, or any two, three or four ofR.sub.1, R.sub.2, R.sub.3, and R.sub.4 can be combined to form one or two heterocyclic rings with the charged nitrogen atom, and B represents non-carboxylated recurring units, m is 0 to about 75 mol %, and n is from about 25 to 100 mo
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