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In recent years the development of the NMR method has been closely linked to the creation of the theory of the NMR in solids and with the elaboration on their basic principles and methods of high resolution in solids. The aim of this volume is to explain simply and clearly the principles for the understanding of the NMR in solid polymers, to show what kind of information can be gained using NMR investigations of bulk polymers, and to demonstrate the ways of obtaining this information, their correctness and their place in comparison with other methods. The discussion is restricted to the most important and typical nuclei 1H, 13C, and (briefly) 2D, and, in connection with that, to the dipolar and quadrupolar interaction and to the chemical shift.
Table des matières
1 Theoretical Aspects.- 1.1 Line Shape and Transverse Relaxation in Solids.- 1.2 Spin-Dynamics and Longitudinal Relaxation.- 1.3 Effect of Molecular Motion.- 2 Experiment.- 2.1 Pulse Methods.- 2.2 Methods of Heterogeneous Analysis.- 3 NMR Signal Shape and Polymer Structure.- 3.1 Transverse Magnetization of Protons.- 3.2 Longitudinal Magnetization of Protons.- 3.3 Line Shape Analysis for 13C- and 2H-Spectra.- 3.4 Improvement of the Structural Information by Different Techniques.- 3.5 Highly Resolved 13C-Spectra in Solid Polymers.- 4 Molecular Motion in Bulk Polymers.- 4.1 Amorphous Polymers.- 4.2 Molecular Motion and Relaxation Transitions in Solid Polyethylene.- 5 Special Polymer Systems and Phenomena.- 5.1 Relaxation Times and Mechanical Properties.- 5.2 Translational Motion of Macromolecules.- 5.3 Multicomponent Polymer Systems.- 5.4 Molecular Motion in Globular Proteins.- References.
