prov:value
| - ng from 1 to 5 carbons, R2 is a methyl, ethyl, or propyl group, R3 is a methyl, ethyl, or propyl group, R4 is an alkyl or substituted alkyl group having from 1 to 10 carbons, or an aryl or substituted aryl group having from 6 to 10 carbons, X is a counterion, and R2, R3, and R4 together contain a total of at least 4 carbon atoms; and wherein said polymerizing is carried out in the presence of an a
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