Orientation of polybutadiene chains in a thermoplastic elastomer |
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| Authors: | V Abetz A Dardin R Stadler J Hellmann E T Samulski H W Spiess |
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| Institution: | (1) Institut für Organische Chemie, Johannes Gutenberg-Universität Mainz, J.J. Becher Weg 18-20, 55099 Mainz, FRG;(2) Max-Planck-Institut für Polymerforschung, Ackermannweg 10, 55021 Mainz, FRG;(3) Chemistry Department, University of North Carolina at Chapel Hill, 27599-3290 Chapel Hill, North Carolina, USA |
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| Abstract: | The orientation of polybutadiene chains in thermoplastic elastomers based on hydrogen bonding complexes is investigated under uniaxial deformation by two-dimensional small-angle neutron scattering (SANS), deuteron magnetic resonance spectroscopy (2H-NMR), optical birefringence and infrared dichroism spectroscopy (FTIR-D). While SANS probes orientation on the length scale of the radius of gyration,2H-NMR, birefringence and FTIR-D monitor orientation on a segmental scale. The deformation of the elastomer chains appears to be affine on the different length scales. |
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| Keywords: | Orientation deformation thermoplastic elastomer |
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