A novel branched fluorinated anion surfactant 4-(3,3,4,4,5,5,5-heptafluoro-2,2-bis-trifluoromethyl-pentyl)-benzene lithium phosphonate was successfully synthesized via a four-step route using perfluoro-2-methyl-2-pent...A novel branched fluorinated anion surfactant 4-(3,3,4,4,5,5,5-heptafluoro-2,2-bis-trifluoromethyl-pentyl)-benzene lithium phosphonate was successfully synthesized via a four-step route using perfluoro-2-methyl-2-pentene as starting material.The surface activity was investigated.The result showed that the cmc value of the surfactant in water is about 1.5×10^(−2) mol/L at 298 K and the surface tension of the aqueous solution is 19.2 mN/m at the cmc.展开更多
基金the National Basic Research Program of China(973-2010CB833200 and 973-2010CB833300)the National Natural Science Foundation of China(21102167)+1 种基金the Science and Technology Commission of Shanghai Municipality(12DZ1930902)Shanghai Green Chemical Engineering Technology Research Center and the Knowledge Innovation Program of the Chinese Academy of Sciences.
文摘A novel branched fluorinated anion surfactant 4-(3,3,4,4,5,5,5-heptafluoro-2,2-bis-trifluoromethyl-pentyl)-benzene lithium phosphonate was successfully synthesized via a four-step route using perfluoro-2-methyl-2-pentene as starting material.The surface activity was investigated.The result showed that the cmc value of the surfactant in water is about 1.5×10^(−2) mol/L at 298 K and the surface tension of the aqueous solution is 19.2 mN/m at the cmc.
