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Advances in Elastomers and Rubber Elasticity pp 103–128Cite as

Morphology and Properties of Segmented Polyurethane-Urea Copolymers Prepared VIA t-Alcohol “Chain Extension”

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Abstract

The structure-property behavior of novel tertiary alcohol-chain extended segmented polyurethane-urea copolymers was investigated. These copolymers were synthesized by utilizing the carbamate-isocyanate interaction at 150°C. Mechanical, thermal, dynamic mechanical and x-ray measurements were carried out to characterize the morphology and other characteristics of these segmented copolymers of systematically varying hard segment content, hard segment type, soft segment MW, and block length. It was observed that these properties depended primarily on the order in the hard domains and the order could be improved by increasing either the hard segment content at constant soft segment MW or soft segment molecular weight at the same hard segment content. The results obtained for these materials were compared with those from conventional polyurethanes to investigate the effect of intermolecular hydrogen bonding on molecular arrangement.

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Author information

Authors and Affiliations

  1. Department of Chemical Engineering, Virginia Polytechnic Institute & State University, Blacksburg, VA, 24061-6496, USA

    Dinesh Tyagi & Garth L. Wilkes

  2. Department of Chemistry and Polymer Materials and Interfaces Laboratory, Virginia Polytechnic Institute & State University, Blacksburg, VA, 24061-6496, USA

    Bin Lee & James E. McGrath

Authors
  1. Dinesh Tyagi
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  2. Garth L. Wilkes
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  3. Bin Lee
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  4. James E. McGrath
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Editor information

Editors and Affiliations

  1. The Goodyear Tire and Rubber Company, 44316, Akron, Ohio, USA

    Joginder Lal

  2. University of Cincinnati, 45221, Cincinnati, Ohio, USA

    James E. Mark

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© 1986 Springer Science+Business Media New York

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Tyagi, D., Wilkes, G.L., Lee, B., McGrath, J.E. (1986). Morphology and Properties of Segmented Polyurethane-Urea Copolymers Prepared VIA t-Alcohol “Chain Extension”. In: Lal, J., Mark, J.E. (eds) Advances in Elastomers and Rubber Elasticity. Springer, Boston, MA. https://doi.org/10.1007/978-1-4757-1436-4_6

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  • DOI: https://doi.org/10.1007/978-1-4757-1436-4_6

  • Publisher Name: Springer, Boston, MA

  • Print ISBN: 978-1-4757-1438-8

  • Online ISBN: 978-1-4757-1436-4

  • eBook Packages: Springer Book Archive

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