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Ruthenium catalyzed chemical modification of unsaturated polymers

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Summary

Chemical modification of unsaturated polysiloxanes with pendant or terminal vinyl groups and polycarbosilanes with pendant Si-vinyl groups has been achieved by a novel ruthenium catalyzed reaction. Dihydridocarbonyltris(triphenylphosphine)-ruthenium catalyzes the addition of the ortho C−H bond of 2′-methylacetophenone across the C−C double bond of pendant or terminal vinyl groups of polymers such as copoly(dimethylsiloxane/vinylmethylsiloxane), polydimethylsiloxane which is terminated with vinyldimethylsiloxy groups and copoly(vinylmethylsilylene/1,4-phenylene).

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Authors and Affiliations

  1. D. P. and K. B. Loker Hydrocarbon Research Institute, Derpartment of Chemistry, University of Southern California, 90889-1661, Los Angeles, CA, USA

    Hongjie Guo, Mark A. Tapsak & William P. Weber

Authors
  1. Hongjie Guo
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  2. Mark A. Tapsak
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  3. William P. Weber
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Guo, H., Tapsak, M.A. & Weber, W.P. Ruthenium catalyzed chemical modification of unsaturated polymers. Polymer Bulletin 33, 417–423 (1994). https://doi.org/10.1007/BF00293485

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  • DOI: https://doi.org/10.1007/BF00293485

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