Radiothermoluminescence and Transitions in Polymers |
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Page 125
... interzonal region [ 73–75 ] . The major difference between the nuclear magnetic reso- nance and Raman results is that for low - molecular - weight bulk - crystallized polyeth- ylene as well as for solution - crystallized polyethylene ...
... interzonal region [ 73–75 ] . The major difference between the nuclear magnetic reso- nance and Raman results is that for low - molecular - weight bulk - crystallized polyeth- ylene as well as for solution - crystallized polyethylene ...
Page 127
... interzonal materials . These interfacial and interzonal components are associated with limited and liquid - like molecular mobility , respectively . The relative content of these com- ponents , as well as the molecular conformation or ...
... interzonal materials . These interfacial and interzonal components are associated with limited and liquid - like molecular mobility , respectively . The relative content of these com- ponents , as well as the molecular conformation or ...
Page 129
... interzonal mobility shifts to lower tem- peratures with an increase in polyethylene molecular weight . There is a similar shift in the positions of the two thermoluminescence maxima . The highest - temperature transition shifts from 238 ...
... interzonal mobility shifts to lower tem- peratures with an increase in polyethylene molecular weight . There is a similar shift in the positions of the two thermoluminescence maxima . The highest - temperature transition shifts from 238 ...
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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 |