Radiothermoluminescence and Transitions in Polymers |
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Page 71
... Dielectric Spectroscopy Dielectric spectroscopy is based on the response of a material to disturbances caused by an externally applied electric field . The results of alternating - field experiments can all be reduced to a statement of ...
... Dielectric Spectroscopy Dielectric spectroscopy is based on the response of a material to disturbances caused by an externally applied electric field . The results of alternating - field experiments can all be reduced to a statement of ...
Page 72
... dielectric constants . Such an effect is called interfacial polarization . For nonpolar materials , the dielectric constant changes very little , if at all , with frequency and temperature . However , many nominally nonpolar materials ...
... dielectric constants . Such an effect is called interfacial polarization . For nonpolar materials , the dielectric constant changes very little , if at all , with frequency and temperature . However , many nominally nonpolar materials ...
Page 73
... dielectric and mechanical relaxation . In a dielectric exper- iment , the permanent electric dipole moves directly with the molecule . When an applied electric field is removed from a polar substance , the macroscopic electric ...
... dielectric and mechanical relaxation . In a dielectric exper- iment , the permanent electric dipole moves directly with the molecule . When an applied electric field is removed from a polar substance , the macroscopic electric ...
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Common terms and phrases
activation energy annealing atactic atoms blend changes charge Charlesby Chem chemical cis-polybutadiene components concentration constant cooling copolymer cross-linking crystal decay decrease density depends dielectric distribution dose E/kT electron affinity electron traps emission entropy equilibrium evaluation excited molecules factor first-order fluorescence fraction free volume frequency frequency factor glass glass-transition temperature glow curve glow peak grafting heating increase INTENSITY relative units interaction interfacial intersystem crossing interzonal ionization irradiation isotactic kinetic linear low-temperature luminescence centers LUMINESCENCE INTENSITY relative Macromolecules material maxima maximum mechanical melting method molecular motion molecules Nikolskii nuclear magnetic resonance observed occur oxygen phase phosphorescence Phys polybutadiene polyethylene samples polyisobutylene polypropylene polystyrene position quenching radiation radicals radiothermoluminescence reaction recombination relaxation transitions room temperature secondary relaxation semicrystalline semicrystalline polymers spectra spectroscopy structure temperature thermal thermodynamic thermoluminescence thermoluminescence peaks tion transition temperature trapped electrons untrapping vibrational vinyl vulcanization whereas Zlatkevich
References to this book
Polymer Surfaces and Interfaces II, Volume 2 W. J. Feast,H. S. Munro,R. W. Richards Snippet view - 1993 |