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A simple model for cooperative and non-exponential processes in non-crystalline polymers

✍ Scribed by C. Torregrosa Cabanilles; J. Molina-Mateo; J.M. Meseguer Dueñas; J.L. Gómez Ribelles

Book ID
116672348
Publisher
Elsevier Science
Year
2011
Tongue
English
Weight
295 KB
Volume
357
Category
Article
ISSN
0022-3093

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In this contribution, we model the "long-time" behaviour of the desorption from an LDPE sheet, using non-Markovian random walks. It is shown that the mass of penetrant in the final stage of desorption decays as t-m, where rn is proportional to the exponent of the probability distribution q/(t)-t-O+°