the present invention concerns new associative thickening agents belonging to the category of heurs . these products contain an original associative monomer with a base of alkyl cyclohexanol alkoxylates . their thickening power is equal to or greater than that procured by heur associative thickening agents of the prior art containing grafted alkyl phenols . an efficient substitute product is therefore available , which is free of alkyl phenols , matching current market demand .