Radiothermoluminescence and Transitions in Polymers |
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Page 111
... maxima are superimposed , whereas sample C exhibits a single , poorly resolved max- imum . The second temperature range in which there is a sharp increase in the inten- sity of luminescence is 160-273 K. In this range , there is a ...
... maxima are superimposed , whereas sample C exhibits a single , poorly resolved max- imum . The second temperature range in which there is a sharp increase in the inten- sity of luminescence is 160-273 K. In this range , there is a ...
Page 155
... maxima at 292 and 327 K at higher doses ( ~ 0.1 Mrad ) . Nikolskii [ 10 ] noticed two maxima at 269 and 297 K , and Tomita [ 122 ] noticed two at 265 and 295 K. These transitions most probably correspond to the " crystal - disordering ...
... maxima at 292 and 327 K at higher doses ( ~ 0.1 Mrad ) . Nikolskii [ 10 ] noticed two maxima at 269 and 297 K , and Tomita [ 122 ] noticed two at 265 and 295 K. These transitions most probably correspond to the " crystal - disordering ...
Page 162
... maxima located in the glass - transition temperature regions of the individual components . The variations in the ratio of the components result in a gradual increase in intensity of one of the maxima with a corresponding weakening of ...
... maxima located in the glass - transition temperature regions of the individual components . The variations in the ratio of the components result in a gradual increase in intensity of one of the maxima with a corresponding weakening of ...
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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 |