Radiothermoluminescence and Transitions in Polymers |
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Page 94
... Tg values exists in several polymers [ 41 ] . Taking into account Eq . ( 3.22 ) , Eq . ( 5.13 ) can be written as & min I ( T ) = α ( T ) [ 8max T P ( T ' , Tg ) В [ -S 8 P ( T , Tg ) no ( Tg ) exp C1 ( T ' -Tg ) dT ' Tg C1 ( T - TR ) g ...
... Tg values exists in several polymers [ 41 ] . Taking into account Eq . ( 3.22 ) , Eq . ( 5.13 ) can be written as & min I ( T ) = α ( T ) [ 8max T P ( T ' , Tg ) В [ -S 8 P ( T , Tg ) no ( Tg ) exp C1 ( T ' -Tg ) dT ' Tg C1 ( T - TR ) g ...
Page 114
... values . Assuming that C2 > T - Tg in the Williams - Landel- Ferry ( WLF ) type equation ( 3.23 ) , it can be expressed as ( C1 / C2 ) ( Tp - Tg ) = In ( C1 / SC2 ) + In B 1 ( 6.5 ) The evaluation of C2 / C1 ratio by plotting T ...
... values . Assuming that C2 > T - Tg in the Williams - Landel- Ferry ( WLF ) type equation ( 3.23 ) , it can be expressed as ( C1 / C2 ) ( Tp - Tg ) = In ( C1 / SC2 ) + In B 1 ( 6.5 ) The evaluation of C2 / C1 ratio by plotting T ...
Page 152
... Tg than corresponding samples slowly cooled after annealing . Along with ... Tg . The glow curves in Fig . 6.19 for samples C - 4 and C - 5 were plotted 20-30 ... values of samples slowly cooled from melt may be 152 6 : Application of ...
... Tg than corresponding samples slowly cooled after annealing . Along with ... Tg . The glow curves in Fig . 6.19 for samples C - 4 and C - 5 were plotted 20-30 ... values of samples slowly cooled from melt may be 152 6 : Application of ...
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 |