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A novel method for preparing bimodal elastomeric networks

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Summary

Hydroxyl-terminated chains of poly(dimethylsiloxane) (PDMS) were end linked with a trifunctional silane containing 3-aminopropyl groups. CuCl2 or CoCl2 added to the networks forms complexes with the amino groups on the cross links, thus introducing additional chains that are very short. The resulting PDMS networks are in this sense bimodal, and were found to have increased values of the ultimate strength.

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Authors and Affiliations

  1. Department of Chemistry and the Polymer Research Center, University of Cincinnati, 45221, Cincinnati, OH, USA

    G. S. Sur

  2. IBM Research Laboratory, 95193, San Jose, CA, USA

    J. E. Mark

Authors
  1. G. S. Sur
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  2. J. E. Mark
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Sur, G.S., Mark, J.E. A novel method for preparing bimodal elastomeric networks. Polymer Bulletin 13, 505–509 (1985). https://doi.org/10.1007/BF00263471

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  • DOI: https://doi.org/10.1007/BF00263471

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