| http://www.w3.org/ns/prov#value | - Another class of preferred water-insoluble cationic materials are the alkylimidazolinium salts believed to have the formula: ##STR2## wherein R6 is an alkyl or hydroxyalkyl group containing from 1 to 4, preferably 1 or 2 carbon atoms, R7 is an alkyl or alkenyl group containing from 8 to 25 carbon atoms, R8 is an alkyl or alkenyl group containing from 8 to 25 carbon atoms, and R9 is hydrogen or an
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