Multifractal treatment of free volume and diffusion of gases in polyethylene
โ Scribed by G. V. Kozlov; L. Kh. Nafadzokova; G. E. Zaikov
- Book ID
- 110165135
- Publisher
- Springer
- Year
- 2007
- Tongue
- English
- Weight
- 172 KB
- Volume
- 45
- Category
- Article
- ISSN
- 0018-151X
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๐ SIMILAR VOLUMES
## Abstract The fractal analysis and the cluster model of the polymer amorphous structure make it possible to account for a change in the diffusion coefficient in polyethylene both above and below the melting temperature. The proposed interpretation explains the diffusivity jump at the melting poin
It is well established that diffusion and relaxation processes in polymers above T, are closely related in that they are both governed by the polymer segmental motions, which are believed to be determined by the free volume present in the system. The diffusion coefficients of gases in elastomers can