Nuclear Magnetic Resonance in Solid Polymers Book

	Preface
	Acknowledgements
	Glossary of terms
1	The NMR of solid polymers: an overview	1
1.1	The nature of polymers	1
1.2	The role of NMR	2
1.3	Structural considerations: a model for the polymer	5
1.4	Molecular motion: an overview	8
1.5	Comparison with other relaxation experiments: transition maps	11
2	Basic concepts in NMR	16
2.1	Nuclear magnetisation	16
2.2	The radiofrequency (rf) field	19
2.3	Rf pulses and nuclear magnetic relaxation	22
2.4	NMR signals: the free induction decay (FID)	23
2.5	Spin temperature	26
2.6	Spin couplings, lineshapes and motional averaging	29
2.7	Spin-lattice relaxation and motion	38
3	Nuclear spin interactions	51
3.1	General considerations	51
3.2	Coordinate systems	52
3.3	General expression for the internal Hamiltonians	54
3.4	Spectral lineshapes	57
3.5	Moments of rigid spectral lineshapes	59
3.6	Effects of motion on spectra	63
3.7	NMR relaxation in solids	69
3.8	Spin diffusion	73
3.9	Overview and summary	81
4	Experimental methods	82
4.1	Spectrometer characteristics	83
4.2	NMR probes for solids	86
4.3	Sample-spinning devices	88
4.4	Pulse sequences	90
4.5	Multidimensional NMR in solid	118
5	Structure and motion in solid polymers	124
5.1	Introduction	124
5.2	High-resolution [superscript 13]C NMR spectroscopy of solid polymers	126
5.3	NMR structural investigations of solid polymers	133
5.4	Molecular motions in solid polymers	153
6	Structural heterogeneity in polymers	191
6.1	Experimental probes of heterogeneity: an overview	191
6.2	NMR as a structural probe	194
6.3	Nature of the interface	202
6.4	Heterogeneity in homopolymers	206
6.5	Amorphous-amorphous polymer blends	213
6.6	Amorphous-crystalline polymer blends	223
6.7	Crystalline-crystalline polymer blends	227
6.8	Block copolymers	228
6.9	Polymer-diluent systems	233
7	Oriented polymers	238
7.1	Introductory remarks	238
7.2	Nature of the distribution	240
7.3	NMR of oriented polymers	244
7.4	Orientation in polyethylene	251
7.5	Orientation in polytetrafluoroethylene	258
7.6	Orientation in poly(ethylene terephthalate)	262
7.7	Polymer liquid crystals	265
7.8	Secondary local probes of orientation	267
8	Selected topics	269
8.1	Network systems	269
8.2	Water in polymers	277
8.3	Ionomers	284
8.4	Electrically active polymers	288
	Appendix 1 Data on commons polymers	297
	Appendix 2 The rotation operator	303
	Appendix 3 Rotation of tensors between coordinate frames	307
	Appendix 4 Spatial distribution of structural units in a polymer	308
	Appendix 5 The internal Hamiltonian	309
	Appendix 6 Spectral lineshapes	312
	Appendix 7 Analysis of spinning sidebands	314
	Bibliography	316
	References	320
	Author index	337
	Subject index	342