Radiothermoluminescence and Transitions in Polymers |
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Page 170
... polybutadiene ( 30 % ) -high - vinyl polybutadiene ( 70 % ) blends . The number of linked chains per cubic centimeter ( N ) in cis - polybutadiene : ( a ) less than 0.8 × 1019 ; ( b ) 1.24 × 101 ; ( c ) 1.68 × 1019 ; ( d ) 2.2 × 101 ...
... polybutadiene ( 30 % ) -high - vinyl polybutadiene ( 70 % ) blends . The number of linked chains per cubic centimeter ( N ) in cis - polybutadiene : ( a ) less than 0.8 × 1019 ; ( b ) 1.24 × 101 ; ( c ) 1.68 × 1019 ; ( d ) 2.2 × 101 ...
Page 171
... polybutadiene plasticizes high - vinyl polybutadiene as well . In order to obtain quantitative information on the amount of cross - linked cis - po- lybutadiene able to form a homogeneous blend with high - vinyl polybutadiene , the ...
... polybutadiene plasticizes high - vinyl polybutadiene as well . In order to obtain quantitative information on the amount of cross - linked cis - po- lybutadiene able to form a homogeneous blend with high - vinyl polybutadiene , the ...
Page 184
... polybutadiene phase . As one can see from the glow curve of pure polystyrene , there is no transition occurring near that of the polybutadiene phase in SBS . In fact , appreciable local mobility exists in polystyrene at temperatures con ...
... polybutadiene phase . As one can see from the glow curve of pure polystyrene , there is no transition occurring near that of the polybutadiene phase in SBS . In fact , appreciable local mobility exists in polystyrene at temperatures con ...
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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 |