Rcceivcd 10 Xl.~y IS77 Xloleculnr rclawtion in the lo-lo6 liz region in rl solid amorphous polymer PXIhlA has been detected by photon correlation spectroscopy. Relaxation times are found to depend strongly on sample annealing and sample temperature equilibration. The main relaxation frequencies. det
โฆ LIBER โฆ
MOLECULAR MOTIONS IN THE POLYMER SOLID
โ Scribed by A. F. Yee
- Book ID
- 118719485
- Publisher
- John Wiley and Sons
- Year
- 1981
- Tongue
- English
- Weight
- 69 KB
- Volume
- 371
- Category
- Article
- ISSN
- 0890-6564
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## Nuclear magnetic resonance wide line and spin lattice relaxation time measurements on crystalline pyrene reveal a transition over the temperature range 255-285%. attributed to the reorientation of pyrene molecules about the axis perpendicular to the molecular plane. Activation energy for the mo