abstract |
An extended anionic surfactant having the general formula: RO—(PO)n—YZ 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 , -CH2CH(CH 3 )-SO 3 , or -CH 2 COO; Z is a cation; and n is 1 to 50. |