hyxylphenol para isooctylphenol para phenyl phenol para benxylphenol para cyclohexylphenol para octadecylphenol para nonylphenol para beta naphthylphenol para alpha naphthylphenol cetyl phenol para beta naphthylphenol para alpha naphthylphenol cetyl phenol para cumylphenol para hydroxyacetophenone para hydroxybenzophenone a phenol alkylated with limonene a phenol alkylated with oleic acid as well as the corresponding ortho and meta derivatives such as meta butylphenol and ortho butylphenol as well as mixtures thereof aldehydes or ketones or mixtures thereof capable of reacting with a phenol are satisfactory provided the aldehydes or ketones do not contain a functional group or structure which is detrimental to the condensation reaction the preferred aldehyde is formaldehyde which can be in aqueous solution or in any of its low polymeric forms such as paraform or trioxane the aldehydes preferably contain 1 to 8 carbon atoms other examples include acetaldehyde propionaldehyde butyraldehyde benzoldehyde furfural 2 ethylhexanol ethylhexanol ethylbutyraldehyde heptaldehyde pentaerythrose glyoxal chloral mesityl oxide and the like the ketones have the formula str5 wherein r 2 and r 3 can be hydrogen or organic radicals examples of ketones are acetone methyl ethyl ketone diethyl ketone methyl benzyl ketone methyl cyclohexyl ketone diallyl ketone dichloromethyl ketone as well as mixtures thereof r 2 and r 3 preferably have 1 to 7 carbon atoms the ratio of aldehyde or ketone to.