defluorination


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defluorination

reduction of the fluorine content of a feed to below the level accepted as being nontoxic.
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Fragment m/z 244 indicates that oxidative defluorination at the terminal position of the pentyl side chain occurred, followed by further oxidation.
Fragment m/z 230 indicates defluorination and hydroxylation at the pentyl side chain.
Regarding the defluorination process, it causes an increase in the angular position of (001) crystalline peak and a broadening of this peak compared to the (001) peak of G.
8, which exhibits further defluorination in thermal poling process resulting in C=C double bond.
It is recognized that the surface energy increases after sodium etching based on a similar mechanism for all fluoropolymers, due to defluorination, the main product being unsaturated hydrocarbon and oxygenated species.