Perfluoro-4-methyl-1,3-dioxole: a new monomer for high-Tg amorphous fluoropolymers |
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Authors: | Antonio Russo Walter Navarrini |
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Institution: | Solvay Solexis, R & D Centre, V.le Lombardia 20, 20021 Bollate (MI), Italy |
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Abstract: | A 4-Chloro-5-trifluoromethyl-2,2,4-trifluoro-1,3-dioxolane (1) was synthesised by reaction of CF2(OF)2 with CF3CHCFCl; the elimination of HCl from (1) in basic conditions led to the formation of dioxole perfluoro-4-methyl-1,3-dioxole (2). Both these synthetic steps gave the corresponding product in high yield.A new synthetic route for the preparation of CF3CHCFCl, starting from CF2ClBr and CH2CF2, together with some examples of polymerisation products obtained by reaction of dioxole (2) with fluoroolefins are also reported. |
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Keywords: | Bis(fluoroxy)difluoromethane Reactivity Synthesis Chlorofluoro propenes Isomerization Dioxolanes Perfluorodioxoles |
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