prov:value
| - Most preferably, the first cationic polymer contains cationic recurring units of the formula (I), preferably formed by polymerization of the corresponding monomers of the formula (II): wherein R1 is H or CH3, A is O or NH, B is alkylene or branched alkylene or oxyalkylene having from 1 to 5 carbons, R, and R, are each individually methyl, ethyl, or propyl, R4 is an alkyl or substituted alkyl group
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