an amido alkanolamine composition obtained by reacting , at a temperature of 10 ° c .- 200 ° c . : a 4 - alkyl - 2 - morpholinone represented by the formula : ## str1 ## in which r represents a monovalent aliphatic radical having from 1 to 10 carbon atoms , and an alkylphenoxypolyoxyalkylene amine represented by the formula : ## str2 ## in which r &# 39 ; represents a hydrocarbyl radical having from 4 to 30 carbon atoms , x has a value from 5 to 50 , and r &# 34 ; represents a methyl radical or a mixture of hydrogen and methyl radicals is provided .