Annual Reports on NMR Spectroscopy (eBook)

Front Cover 1
Annual Reports on NMR Spectroscopy, Volume 28 2
Copyright Page 3
Contents 8
List of Contributors 4
Preface 6
Chapter 1. Application of NMR Spectroscopy to the Science and Technology of Glasses and Ceramics 10
1. Introduction 10
2. Identification and quantization of silicate anions in solid silicates by 29Si MAS-NMR and effects of bonding characteristics on the chemical shift 11
3. Distribution of silicate structures in silicate glasses by using 29Si MAS- NMR 14
4. Structure determination of “defects” in amorphous silica 20
5. Structure determination of phosphate glasses by using 31P NMR 25
6. Application of high field “B NMR to structure determination of borate and borosilicate minerals and glasses 29
7. Application of NMR imaging to detect flaws in composite ceramics in green state 33
References 35
Chapter 2. High-resolution Solid-state NMR Studies on Ceramics 38
1. Introduction 38
2. Experimental aspects of NMR techniques 39
3. Interpretation of NMR parameters 42
4. Conventional ceramics 45
5. High-performance ceramics 75
6. Bioceramics 92
7. Concluding remarks 92
References 93
Chapter 3. NMR Studies of Zeolites 100
1. Introduction 100
2. Framework of zeolites 102
3. Bronsted acid sites 115
4. Lewis acid site/extra-framework aluminium 135
5. Structure of adsorbed molecules 141
6. Molecular diffusion 147
7. Chemical reactions 168
References 185
Chapter 4. NMR Studies of Higher-order Structures of Solid Polymers 198
1. Introduction 198
2. Engineering plastics and high-performance polymers 199
3. Polymer alloys 248
4. Natural polymers 260
5. Conclusion 278
References 278
Chapter 5. NMR Studies of Organic Thin Films 286
1. Introduction 286
2. Background 287
3. Polymers at interfaces 289
4. Surface-active agents 309
5. Conclusions 324
Acknowledgements 324
References 324
Index 332