Dielectric spectroscopy of polymers:
Gespeichert in:
| 1. Verfasser: | |
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| Format: | Buch |
| Sprache: | English |
| Veröffentlicht: |
Bristol
Hilger
1977
|
| Schlagworte: | |
| Online-Zugang: | Inhaltsverzeichnis |
| Beschreibung: | 430 S. zahlr. graph. Darst. |
Internformat
MARC
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Datensatz im Suchindex
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|---|---|
| adam_text | IMAGE 1
DIELECTRIC
SPECTROSCOPY OF POLYMERS
PETER HEDVIG RESEARCH INSTITUTE FOR PLASTICS BUDAPEST, HUNGARY
***
AKADEMIAI KIADOE * BUDAPEST 1977
IMAGE 2
CONTENTS
SYMBOLS 9
CHAPTER I. BASIC PRINCIPLES OF DIELECTRIC SPECTROSCOPY 13
1.1 THE ORIGIN OF DIPOLE MOMENTS 14
THE EFFECTIVE DIPOLE MOMENT 20
DEFECT DIPOLE MOMENTS 27
1.2 STATISTICAL THEORY 31
LINEAR REACTION OF A SYSTEM TO AN EXTERNAL PERTURBATION 31
A SYSTEM OF CHARGES IN A PERIODIC EXTERNAL ELECTRIC FIELD 35
THE DIPOLE AUTOCORRELATION FUNCTION 37
DISPERSION RELATIONS . 42
LOCAL EQUILIBRIUM 43
1.3 PHENOMENOLOGICAL THEORY 47
BASIC MODELS FOR A VISCOELASTIC SYSTEM 47
DISTRIBUTION OF RELAXATION TIMES 58
ARC DIAGRAMS 61
TEMPERATURE DEPENDENCE OF THE RELAXATION TIME. TEMPERATURE AS A
VARIABLE. . 63
CHAPTER 2. STRUCTURAL-TRANSITIONS AND MOLECULAR MOBILITIES IN POLYMERS
69
2.1 TRANSITION TYPES IN POLYMERS 70
STRUCTURAL TRANSITIONS 72
TRANSITIONS INVOLVING LOCAL MOLECULAR MOTION 73
EXAMPLE OF TRANSITIONS IN AN AMORPHOUS POLYMER: POLYMETHYL METHACRYLATE
. 75 TRANSITIONS ASSOCIATED WITH THE CRYSTALLINE PHASE 78
EXAMPLE OF TRANSITIONS IN CRYSTALLINE POLYMERS: PCTFE 82
2.2 THE GLASS -RUBBER TRANSITION 83
THE NON-EQUILIBRIUM CHARACTER OF THE GLASSY STATE 88
THEORIES OF THE GLASS RUBBER TRANSITION 90
INTERPRETATION OF THE WILLIAMS LANDET I ERRY EQUATION IN TERMS OF
FREEVOLUME THEORY 93
EXTENSION OF THE FREE-VOLUME THEORY TO TEMPERATURES BELOW DILATOMETRIC T
F . 96 EFFECTIVE TEMPERATURE. THE GENERALIZED WLF EQUATION 98
VOLUME RELAXATION 99
2..* TRANSITIONS IN THE GLASSY STATE 101
A GENERAL FORMULATION OF CONFORMATIONAL TRANSITIONS 102
5
IMAGE 3
MIXING OF THE ?~. P- AND Y- PROCESSES 105
THE POTENTIAL BARRIER THEORY 107
CRYOGENIC RELAXATIONS I LL
EXAMPLE OF CRYOGENIC TJG-TYPE TRANSITIONS IN AMORPHOUS POLYMERS:
POLYSTYRENE 113 QUANTUM TUNNELING 119
2.4 TRANSITIONS IN CRYSTALLINE POLYMERS 121
MOBILITY IN THE ORDERED CRYSTALLINE PHASE 122
TRANSITIONS DUE TO DEFECTS IN POLYMER CRYSTALS 125
SCREW DISLOCATIONS IN POLYMER CRYSTALS 126
EXAMPLE OF DIELECTRIC ABSORPTION DUE TO END-GROUP ROTATION IN CRYSTALS:
POLYOXYMETHYLENE 129
EFFECT OF ORIENTATION 133
CHAPTER 3. EXPERIMENTAL TECHNIQUE 1*1
3.1 DIRECT-CURRENT METHODS 142
THE FOURIER-TRANSFORM DIELECTRIC SPECTROMETER (TIME-DOMAIN-TECHNIQUE) .
. .. 146 DIELECTRIC DEPOLARIZATION SPECTROSCOPY 148
TEMPERATURE PROGRAMMING 150
3.2 RECORDING SPECTROMETERS IN THE LOW AND INTERMEDIATE FREQUENCY RANGE
(20 H7 TO 2 MHZ) 156
AUTOMATICALLY BALANCED BRIDGES 156
A DIRECT RECORDING DIELECTRIC SPECTROMETER 160
A COMPUTERIZED SET-UP FOR RECORDING ARC-DIAGRAMS 163
3.3 DIELECTRIC WORK AT HIGH FREQUENCIES 164
MEASUREMENT AT MICROWAVE FREQUENCIES 168
RESONANCE METHOD AT MICROWAVE FREQUENCIES 171
3.4 RELATED TECHNIQUES 176
THERMOMECHANICAL MEASUREMENTS AND DILATOMETRY 176
MECHANICAL RELAXATION SPECTROSCOPY 179
DIFFERENTIAL SCANNING CALORIMETRY 182
NUCLEAR MAGNETIC RESONANCE 187
CHAPTER 4. DIELECTRIC SPECTRA OF PURE POLYMERS 196
4.1 NON-POLAR POLYMERS 196
THE DIELECTRIC SPECTRUM OF POLYETHYLENE 197
POLYTETRAFLUOROETHYLENE 203
4.2 POLYMERS WITH FLEXIBLE POLAR SIDE GROUPS 207
POLYVINYL ACRYLATES AND METHACRYLATES 207
EFFECT OF SUBSTITUTION AT THE ESTER SIDE GROUP R 2 208
EFFECTS OF A-SUBSTILUTI&N R, 212
EFFECT OF TACTICITY 216
POLYVINYL ESTERS 220
POLYVINYL ALKYL ETHERS . ! 223
4.3 POLYMERS WITH POLAR SIDE GROUPS RIGIDLY ATTACHED TO THEIR APOLAR
MAIN CHAIN 226 POLYVINYLCHLORIDE AND RELATED HALOGEN POLYMERS 226
POLYVINYL ACETALS 233
6
IMAGE 4
4.4 POLYMERS WITH POLAR MAIN CHAIN 235
OXIDE POLYMERS 235
POLYESTERS AND POLYCARBONATES 239
POLYETHYLENE TEREPHTHALATE 239
EFFECTS OF CRYSTALLINITY 242
4.5 POLYMERS WITH HYDROGEN BOND 242
HYDROGEN-BOND CHAINS 242
TYPICAL TRANSITIONS IN POLYMERS HAVING LINEAR HYDROGEN-BOND CHAINS 245
CELLULOSE DERIVATIVES 251
CHAPTER 5. SPECTRA OF POLYMER COMPOUNDS 256
5.1 HOMOGENEOUS SYSTEMS: PLASTICIZED COMPOUNDS AND POLYMER SOLUTIONS 257
COMPATIBILITY 257
EFFICIENCY OF PLASTICIZERS 259
EXPECTED FEATURES OF THE DIELECTRIC SPECTRA OF PLASTICIZED COMPOUNDS 261
DIELECTRIC SPECTRA OF PLASTICIZED POLYVINYLCHLORIDE 264
ANTIPLASTICIZING. EFFECT OF SMALL PLASTICIZER CONTENT ON THE
SS-TRANSITION OF PVC 268
PLASTICIZED POLYMETHYL ACRYLATE AND -METHACRYLATE 272
POLYMER SOLUTIONS 277
5.2 HETEROGENEOUS SYSTEMS: EFFECTS OF FILLERS AND OTHER NON-COMPATIBLE
ADDITIVES 282 THE MAXWELL WAGNER -SILLARS (MWS) POLARIZATION 283
EFFECT OF NON-POLAR FILLERS 291
EFFECT OF CONDUCTIVE FILLERS 293
EFFECTS OF WATER AND SOLVENT TRACES 293
EFFECTS OF IMPURITIES: CATALYSTS, STABILIZERS, INHIBITORS 296
5.3 DIELECTRIC SPECTRA OF COPOLYMERS AND POLYMER BLENDS 297
THE GLASS-RUBBER TRANSITION OF COPOLYMERS AND POLYMER BLENDS 299
SECONDARY TRANSITIONS 307
THE EFFECTIVE DIPOLE MOMENT OF COPOLYMERS 307
CHAPTER 6. THE STUDY OF CROSSLINKING PROCESSES BY DIELECTRIC
SPECTROSCOPY 312
6.1 POSSIBILITIES OF THE METHOD. EXPERIMENTAL ASPECTS 312
MEASUREMENT DURING ULTRAVIOLET OR HIGH ENERGY IRRADIATION 317
TRANSIENT D.C. CONDUCTIVITY AND DEPOLARIZATION METHODS 318
6.2 THE VULCANIZATION OF RUBBER 320
THE DIELECTRIC PROPERTIES OF UNVULCANIZED RUBBER 320
VULCANIZATION WITH SULPHUR 325
VULCANIZATION WITH PEROXIDES AND BY IRRADIATION 328
EFFECTS OF FILLERS 331
6.3 CURING OF EPOXY AND PHENOL FORMALDEHYDE RESINS 332
MEASUREMENT OF THE DIELECTRIC LOSS FACTOR AS A FUNCTION OF THE CURE TIME
. . .. 336
CURING OF PHENOL-FORMALDEHYDE RESINS 338
6.4 CURING OF POLYESTER RESINS 342
CHANGE OF CONDUCTIVITY DURING CURING 344
7
IMAGE 5
DIELECTRIC SPECTRA 345
CURING OF WOOD-PLASTIC COMBINATIONS 348
6.5 RADIATION CROSSLINKING OF POLYVINYLCHLORIDE 351
CHAPTER 7. STUDY OF AGEING PROCESSES BY DIELECTRIC SPECTROSCOPY . . 356
7.1 TYPICAL AGEING PROCESSES 357
AGEING PROCESSES INVOLVING MAIN CHAIN SCISSION 357
AGEING INVOLVING SIDE GROUP SCISSION AND CONJUGATION OF THE MAIN CHAIN
364 7.2 DIELECTRIC STUDY OF THE OXIDATIVE DEGRADATION OF POLYETHYLENE
369
7.3 DIELECTRIC STUDY OF THE AGEING OF POLYVINYLCHLORIDE 379
7.4 PHYSICAL AGEING 384
EFFECTS OFSTORAGE BELOW AND ABOVE T F . TEXTURE AGEING 384
LOSS OF PLASTICIZER ! 391
PHASE SEPARATION PROCESSES 391
APPENDIX: RELAXATION MAPS OF POLYMERS 393
BOOKS ON DIELECTRIC SPECTROSCOPY 411
REFERENCES 413
SUBJECT INDEX 427
8
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| indexdate | 2024-07-09T16:40:34Z |
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| language | English |
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| spelling | Hedvig, Péter Verfasser aut Dielektrische Spektroskopie von Polymeren ger Dielectric spectroscopy of polymers Péter Hedvig Bristol Hilger 1977 430 S. zahlr. graph. Darst. txt rdacontent n rdamedia nc rdacarrier Broadband dielectric spectroscopy Polymers Electric properties Polymers Spectra Polymere (DE-588)4046699-1 gnd rswk-swf Impedanzspektroskopie (DE-588)4161400-8 gnd rswk-swf Polymere (DE-588)4046699-1 s Impedanzspektroskopie (DE-588)4161400-8 s DE-604 GBV Datenaustausch application/pdf http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=003865193&sequence=000001&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA Inhaltsverzeichnis |
| spellingShingle | Hedvig, Péter Dielectric spectroscopy of polymers Broadband dielectric spectroscopy Polymers Electric properties Polymers Spectra Polymere (DE-588)4046699-1 gnd Impedanzspektroskopie (DE-588)4161400-8 gnd |
| subject_GND | (DE-588)4046699-1 (DE-588)4161400-8 |
| title | Dielectric spectroscopy of polymers |
| title_auth | Dielectric spectroscopy of polymers |
| title_exact_search | Dielectric spectroscopy of polymers |
| title_full | Dielectric spectroscopy of polymers Péter Hedvig |
| title_fullStr | Dielectric spectroscopy of polymers Péter Hedvig |
| title_full_unstemmed | Dielectric spectroscopy of polymers Péter Hedvig |
| title_short | Dielectric spectroscopy of polymers |
| title_sort | dielectric spectroscopy of polymers |
| topic | Broadband dielectric spectroscopy Polymers Electric properties Polymers Spectra Polymere (DE-588)4046699-1 gnd Impedanzspektroskopie (DE-588)4161400-8 gnd |
| topic_facet | Broadband dielectric spectroscopy Polymers Electric properties Polymers Spectra Polymere Impedanzspektroskopie |
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