NMR and Macromolecules: Sequence, Dynamic, and Domain Structure (ACS Symposium Series)

Title Page......Page 1
Half Title Page......Page 3
Copyright......Page 4
ACS Symposium Series......Page 5
FOREWORD......Page 6
Dedication......Page 7
PdftkEmptyString......Page 0
PREFACE......Page 11
1 NMR and Macromolecules......Page 13
Stereochemical Configuration......Page 14
19F NMR Observations of Regioregularity......Page 17
Carbon—13 Study of Crystal Morphology......Page 20
Biopolymers......Page 22
Literature Cited......Page 26
2 An Introduction to NMR Spectroscopy of Solid Samples......Page 28
Chemical Shift Anisotropy......Page 29
Nuclear Quadrupole Effects......Page 30
The Magic Angle......Page 31
Line Narrowing in Spin Space - WAHUHA......Page 35
Cross Polarization......Page 38
Line-Shape Analysis......Page 41
Relaxation and Motion in Solids Spin-Lattice Relaxation - T1......Page 42
Relaxation in the Rotating Frame-T1ρ......Page 44
Conclusions......Page 46
Literature Cited......Page 48
Rotating-Frame Carbon Spin-Lattice Relaxation......Page 49
Typical Spectra in the Chemical Shift and Dipolar Dimensions......Page 50
Comparison Between Experimental and Calculated Dipolar Sideband Patterns......Page 53
Small-Amplitude Low-Frequency Ring Motion......Page 56
Conclusions for Ring Rotations in Polystyrenes......Page 58
Literature Cited......Page 60
4 Solid State 2H NMR Studies of Molecular Motion Poly(butylene terephthalate) and Poly(butylene terephthalate)-Containing Segmented Copolymers......Page 61
EXPERIMENTAL......Page 63
RESULTS AND DISCUSSION......Page 65
SUMMARY......Page 69
LITERATURE CITED......Page 71
5 Spin Relaxation and Local Motion in a Dissolved Aromatic Polyformal......Page 72
Results......Page 73
Interpretation......Page 75
Discussion......Page 84
Literature Cited......Page 86
6 Characterization of Molecular Motion in Solid Polymers by Variable Temperature Magic Angle Spinning 13C NMR......Page 88
Results and Discussion......Page 89
Literature Cited......Page 99
7 New NMR Experiments in Liquids......Page 100
Spectral Editing Using J-Modulated Spin-Echos......Page 101
Polarization Transfer Methods......Page 104
Two-Dimensional NMR......Page 109
Literature Cited......Page 120
8 Application of the INEPT Method to 13C NMR Spectral Assignments in Low-Density Polyethylene and Ethylene-Propylene Copolymer......Page 122
Results and Discussion......Page 123
Literature Cited......Page 129
9 13C NMR in Polymer Quantitative Analyses......Page 131
Experimental Variables in Quantitative NMR Studies of Polymers......Page 132
Literature Cited......Page 150
10 The Synthesis of Novel Regioregular Polyvinyl Fluorides and Their Characterization by High-Resolution NMR......Page 152
Experimental......Page 153
Results and Discussion......Page 154
Literature Cited......Page 164
11 The Composition and Sequence Distribution of Dichlorocarbene-Modified Polybutadiene by 13C NMR......Page 165
Results......Page 166
Discussion......Page 169
Experimental......Page 174
Literature Cited......Page 177
12 NMR Spectra of Styrene Oligomers and Polymers......Page 178
Preparation and Separation of Styrene Oligomers......Page 179
NMR Spectra of the Dimer and Trimer......Page 180
Identification of the Tetramer and Pentamer......Page 184
13C NMR Spectra of the Tetramer and Pentamer......Page 185
13C NMR Signal Assignment of Polystyrene......Page 187
Literature Cited......Page 193
13 75-MHz 13C NMR Studies on Polystyrene and Epimerized Isotactic Polystyrenes......Page 194
Experimental......Page 197
Results and Discussion......Page 199
Conclusions......Page 215
Literature Cited......Page 218
14 Stereospecific Polymerization of α-Olefins: End Groups and Reaction Mechanism......Page 220
Regiospecificity......Page 221
Mechanism of the Steric Control......Page 222
Stereoselective Polymerization of Ghiral α-Qlefins......Page 225
Literature Cited......Page 227
15 Structural Characterization of Naturally Occurring cis-Polyisoprenes......Page 229
13C NMR Analysis of Model Compounds......Page 230
Structural Characterization of Ρolyprenols......Page 232
Structure of Naturally Occurring Cis-Polyisoprenes......Page 234
Literature Cited......Page 240
16 A 13C NMR Study of Radiation-Induced Structural Changes in Polyethylene......Page 241
Experimental......Page 243
Results......Page 249
Discussion......Page 260
Conclusions......Page 262
Literature Cited......Page 263
Author Index......Page 264
B......Page 265
C......Page 266
E......Page 267
H......Page 268
M......Page 269
P......Page 270
R......Page 272
S......Page 273
Z......Page 274