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Reactivity of poly(chlorotrifluoroethylene) (PCTFE) oil and PCTFE derivatives with phenyllithium and phenyl Grignard reagents

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Summary

Poly(chlorotrifluoroethylene) (PCTFE) oil upon reaction with phenyllithium at-78°C formed functionalized products that could be isolated in three fractions by solvent extraction with pentane, ether, and tetrahydrofuran (THF). At-125°C crosslinking of polytrifluoroethylene (PF3E), and Kel-F 800, a co-polymer of 72% chlorotrifluoroethylene and 28% vinylidene fluoride, with phenyllithium or phenylmagnesium bromide formed glassy black insoluble products. Infrared spectroscopy showed aromatic functional groups had been introduced in all the products. However, alkyl peaks were also evident in the infrared spectra of the lithiated products. Size exclusion chromatography of soluble Kel-F 800 reaction products indicated cracking to lower molecular weight material.

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Authors and Affiliations

  1. Department of Chemistry, Miami University, 45056, Oxford, OH, USA

    Larry G. Beaver & Neil D. Danielson

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  1. Larry G. Beaver
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  2. Neil D. Danielson
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Beaver, L.G., Danielson, N.D. Reactivity of poly(chlorotrifluoroethylene) (PCTFE) oil and PCTFE derivatives with phenyllithium and phenyl Grignard reagents. Polymer Bulletin 30, 47–54 (1993). https://doi.org/10.1007/BF00296233

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  • DOI: https://doi.org/10.1007/BF00296233

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