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Orientation of molecular segments by plastic deformation of glassy polycarbonate

Orientation of molecular segments by plastic deformation of glassy polycarbonate
Orientation of molecular segments by plastic deformation of glassy polycarbonate
Annealed, selectively 13C-labeled Bisphenol A polycarbonate samples were uniaxially compressed (compressive strain ca. 40%). One-dimensional static NMR spectra of the deformed samples were recorded at different orientations with respect to the magnetic field. The orientational distributions of the carbonate groups and the phenylene rings were determined through a fitting of the spectra by an expansion in Wigner rotation matrix elements. The data are explained quantitatively by an affine network-deformation model. The chains qualitatively behave as compressed random coils.
2909-2915
Utz, Marcel
c84ed64c-9e89-4051-af39-d401e423891b
Tomaselli, Marco
7b2695ae-25db-486a-866c-5cc4cd286053
Ernst, Richard R.
802b5313-21b5-4c4b-99f8-591bcbbee037
Suter, Ulrich W.
bdda87be-157c-4a45-83ea-df448e2225c0
Utz, Marcel
c84ed64c-9e89-4051-af39-d401e423891b
Tomaselli, Marco
7b2695ae-25db-486a-866c-5cc4cd286053
Ernst, Richard R.
802b5313-21b5-4c4b-99f8-591bcbbee037
Suter, Ulrich W.
bdda87be-157c-4a45-83ea-df448e2225c0

Utz, Marcel, Tomaselli, Marco, Ernst, Richard R. and Suter, Ulrich W. (1996) Orientation of molecular segments by plastic deformation of glassy polycarbonate. Macromolecules, 29 (8), 2909-2915. (doi:10.1021/ma951737p).

Record type: Article

Abstract

Annealed, selectively 13C-labeled Bisphenol A polycarbonate samples were uniaxially compressed (compressive strain ca. 40%). One-dimensional static NMR spectra of the deformed samples were recorded at different orientations with respect to the magnetic field. The orientational distributions of the carbonate groups and the phenylene rings were determined through a fitting of the spectra by an expansion in Wigner rotation matrix elements. The data are explained quantitatively by an affine network-deformation model. The chains qualitatively behave as compressed random coils.

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More information

Published date: 8 April 1996
Organisations: Chemistry, Faculty of Natural and Environmental Sciences, Magnetic Resonance

Identifiers

Local EPrints ID: 355602
URI: https://eprints.soton.ac.uk/id/eprint/355602
PURE UUID: 9a466fcb-fcfa-420e-81d3-7164f4f5aa15
ORCID for Marcel Utz: ORCID iD orcid.org/0000-0003-2274-9672

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Date deposited: 21 Nov 2013 14:40
Last modified: 14 Jul 2018 00:30

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Contributors

Author: Marcel Utz ORCID iD
Author: Marco Tomaselli
Author: Richard R. Ernst
Author: Ulrich W. Suter

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