| http://www.w3.org/ns/prov#value | - The polymer salt of claim 1 wherein said polymer is reacted with at least two of said alkylating agent, one of said alkylating agents has the formula RX where R is a C1-C20 alkyl group and X is one or more electrophilic leaving groups, and the other of said alkylating agents has the formula R???X where R??? is a C1-C20 alkyl ammonium group and X is one or more electrophilic leaving groups.
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