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
β¦ LIBER β¦
Molecular motion in polymer networks and concentrated solutions from photon correlation spectroscopy
β Scribed by J.D.G. McAdam; T.A. King; A. Knox
- Publisher
- Elsevier Science
- Year
- 1974
- Tongue
- English
- Weight
- 480 KB
- Volume
- 26
- Category
- Article
- ISSN
- 0009-2614
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The effect of concentration and polydispersity on the collective diffusion coefficient D c , evaluated using Photon Correlation Spectroscopy (PCS), has been investigated on poly(methyl methacrylate) (PMMA) in acetone solutions. The concentration dependence of the collective diffusion coefficient fol