Summary
(Perfluoro-n-alkyl)acetylenes (HC≡CRf; Rf = n-C6F13, n-C4F9) polymerized with the WCl6-Ph4Sn catalyst to produce methanol-insoluble polymers in good yields. The intrinsic viscosities of the polymers (in C6F6) were ca. 0.05 dL/g, being relatively small. No large difference was observed between the polymerization in toluene (heterogeneous) and that in C6F6 (homogeneous). The main chain of the polymers was composed of alternating double bonds. These polymers were white solids soluble in C6F6. The temperatures at which the weight loss of the polymers started were higher than 200°C, which indicates improved thermal stability as compared with the corresponding poly(1-alkynes).
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Tsuchihara, K., Masuda, T. & Higashimura, T. Polymerization of (perfluoro-n-alkyl)acetylenes by WCI6-Ph4Sn and polymer properties. Polymer Bulletin 20, 343–348 (1988). https://doi.org/10.1007/BF00255734
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DOI: https://doi.org/10.1007/BF00255734