| abstract |
An extended anionic surfactant having the general formula: n RO—(PO)n—YZn wherein R is a linear alkyl chain ranging from C6 to C36, a branched alkyl chain ranging from C6 to C36, or a mixture thereof; PO is a propyleneoxy group; Y is —SO 3 , —CH 2 CH 2 CH 2 —SO 3 , —CH 2 CH(CH 3 )—SO 3 , or —CH 2 COO; Z is a cation; and n is 1 to 50. |