| http://www.w3.org/ns/prov#value | - For its use in the form of a softening base, a surfactant according to the invention may be dissolved in one or more solvents chosen from lower alcohols and in particular methanol, ethanol, isopropanol, from glycols and in particular ethylene glycol, propylene glycol, diethylene glycol, dimethylene glycol butyl, propyl, ethyl, methyl ether, diethylene glycol butyl, propyl, ethyl, methyl ether, dip
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