| http://www.w3.org/ns/prov#value | - A second preferred type of quaternary ammonium material can be represented by the formula: {(R1)3N(CH2)nCH(O(O)CR2)CH2O(O)CR2}+X??? wherein each R1 group is independently selected from C1-4 alkyl, hydroxyalkyl or C2-4 alkenyl; each R2 is independently selected from C8-28 alkyl or alkenyl groups; n is from 0-5; and X??? is a suitable anion, for example chloride, methosulfate and mixtures thereof.
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