| http://www.w3.org/ns/prov#value | - Another suitable class of additives is that of polyammonium salts of the general formula wherein R1 is an alkyl group, including saturated, unsaturated, and substituted alkyl groups, preferably linear, although some branching is acceptable, and preferably with from about 12 to about 26 carbon atoms, more preferably with from about 14 to about 22 carbon atoms, and most preferably with from about 16
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