| abstract |
PROBLEM TO BE SOLVED: To improve the temporal stability of a detergent composition containing a carboxymethylated polyoxyethylene alkyl ether, particularly at low temperatures (below ° C). SOLUTION: (a) Formula 1: RO (CH 2 CH 2 O) n CH 2 COOM (wherein, R is an alkyl group having 8 to 18 carbon atoms, n is the number of repetitions having an average value of 1 to 5, M is a hydrogen atom, an alkali metal cation, an alkaline earth metal cation, an ammonium cation or a lower cation. Carboxymethylated polyoxyethylene alkyl ether represented by the formula: (b) hydroxycarboxylic acid or a salt thereof, and (c) a sulfate or chloride of an alkali metal or alkaline earth metal. , (A): (b) + (C) weight ratio is 99: 1 to 85:15, A detergent composition wherein the weight ratio of (b) :( c) is 99: 1 to 10:90. |