Abstract
Abstract A novel fluorinated polyether glycol with fluorinated side chains is synthesized via “living/controlled” cationic ring-opening polymerization of tetrahydrofuran and fluorine-containing epoxy compounds (FO). The effects of polymerization conditions on monomer conversion, number-average molecular weight ( M n ), molecular weight distribution ( M w / M n ) are measured. Our investigations have shown that the use of a mixed solvent (dichloromethane/1,4-dioxane) can prevent intra- and intermolecular transfer reactions, due to more nucleophilic oxygen atom in 1,4-dioxane. Using BF 3 ·CH 3 OH/CH 2 OHCH 2 OH as initiation system, polymers with predictable number-average molecular weight, narrow molecular weight distribution (1.03 M w / M n
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