Impact of Polylactide Fluorinated End-Group Lengths and Their Dynamics on Perfluorohexane Microcapsule Morphology
Résumé
We have synthesized polylactide (PLA) polymers containing five distinct lengths of fluorinated end-groups (from C 3 F 7 to C 13 F 27). The influence of fluorinated end-group lengths and their dynamics in chlorinated solvents (chloroform and dichloromethane) was investigated as a function of the presence of perfluorohexane (PFH) and related to the morphology of capsules of PFH obtained using these fluorinated polylactides. 19 F spin−spin relaxation time (T 2) measurements revealed a reduced mobility of the fluorinated units with dependency on fluorinated chain length in the order C 3
Domaines
Polymères
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Picheth-macromolecules-revised.pdf (978.94 Ko)
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supporting information.pdf (349.45 Ko)
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