BRANCHED-TYPE SURFACTANT HAVING BOTH FLUOROALKYL AND HYDROCARBON GROUPS

摘要

PROBLEM TO BE SOLVED: To provide a surfactant usable in a carbon dioxide-water system. SOLUTION: The surfactant is represented by general formula(I)[ wherein, Rf is an (ether linkage-bearing) fluoroalkyl; Rh is an alkyl; X1and X2are each a bivalent linkage group; p is 0 or 1; q is 0 or 1; n is an integer of 1-10; and M is H, an alkali metal atom, 1/2 alkaline earth metal atom or ammonium group ]. COPYRIGHT: (C)2006,JPO&NCIPI