Abstract
Fluorine-containing amphiphilic block copolymers, poly(2-hydroxyethyl vinyl ether)-block-poly(2-(2,2,2-trifluoroethoxy)ethyl vinyl ether)) (poly(HOVE-b-TFEOVE) (m = 78, n = 23)), poly(2-hydroxyethyl vinyl ether)-block-poly(2-(2,2,3,3,3-pentafluoropropoxy)ethyl vinyl ether) (poly(HOVE-b-PFPOVE) (m = 74, n = 22)), and poly(2-hydroxyethyl vinyl ether)-block-poly(2-(2,2,3,3,4,4,4-heptafluorobutoxy)ethyl vinyl ether) (poly(HOVE-b-HFBOVE) (m = 79, n = 19)) were synthesized along with the non-fluorine-containing amphiphilic block copolymer, poly(2-hydroxyethyl vinyl ether)-block-poly(n-butyl vinyl ether) (poly(HOVE-b-NBVE) (m = 70, n = 22)), where m and n are polymerization degrees of hydrophilic segment and hydrophobic segment, respectively. These fluorine-containing block copolymers considerably reduced the surface tension of the aqueous solutions, indicating the high surface activity of the block copolymers. They formed core−shell rodlike and/or core−shell spherical micelles in aqueous solutions, which were e...
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