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 ...
Contents
Preface | 5 |
Application of Radiothermoluminescence to the Study | 6 |
1 | 11 |
Copyright | |
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Common terms and phrases
absorption activation energy amorphous annealing atactic atoms bleaching blend changes charge Charlesby Chem chemical chemically trapped components concentration constant copolymer cross-linking crystal crystalline decay decrease depends dielectric dipoles distribution dose effect electron affinity electron traps electron-spin resonance emission entropy equilibrium excited molecules excited singlet first-order fluorescence free radicals free volume frequency factor glass glass-transition temperature glow curve glow peak increase INTENSITY relative units interaction interfacial intersystem crossing interzonal ionization irradiation isothermal kinetic light linear low temperatures luminescence luminescence centers LUMINESCENCE INTENSITY relative Macromolecules material maxima maximum mechanical method molecular motion molecules Nikolskii nuclear magnetic resonance observed occur oxygen phase phosphorescence Phys polar polybutadiene polyethylene samples polymer polypropylene quenching radiation radiothermoluminescence reactions recombination region relaxation transitions secondary relaxation semicrystalline Solprene spectra spectroscopy spectrum structure thermal thermodynamic thermoluminescence thermoluminescence intensity thermoluminescence peaks tion transition temperature trapped electrons triplet untrapping vibrational vulcanization whereas
References to this book
Polymer Surfaces and Interfaces II, Volume 2 W. J. Feast,H. S. Munro,R. W. Richards Snippet view - 1993 |