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Polymerization of phenylacetylene by rare earth compound/trialkylaluminum catalysts

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Summary

The rare earth naphthenates of La, Ce, Pr, Nd, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb, and Lu, in combination with triethylaluminum, were investigated as catalysts for the polymerization of phenylacetylene. All were found, at least to a small degree, to be active, and produce atactic polyphenylacetylene showing the presence of both cis and trans double bonds in the chain. These polymers exhibited a low degree (∼ 28%) of crystallinity. However, the neodymium system produced a crystalline (45%) cis-cisoid polymer. An interesting, but as yet unexplained, correlation exists between activity of the catalyst, as indicated by yield of polymer obtained, and the number of f electrons on the metal.

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Authors and Affiliations

  1. Department of Chemistry, The University of Akron, 44325, Akron, OH, USA

    Zhiquan Shen & Michael F. Farona

Authors
  1. Zhiquan Shen
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  2. Michael F. Farona
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Visiting Associate Professor from Zhejiang University, Hangzhou, People's Republic of China

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Shen, Z., Farona, M.F. Polymerization of phenylacetylene by rare earth compound/trialkylaluminum catalysts. Polymer Bulletin 10, 8–13 (1983). https://doi.org/10.1007/BF00263231

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  • DOI: https://doi.org/10.1007/BF00263231

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