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Gas sorption in semicrystalline rubbery polymers revisited

AuthorsLópez-González, Mar; Compañ, Vicente; Riande, Evaristo
Keywordsgas sorption
polyethylene films
semicrystalline rubbery polymers
Flory–Huggins theory
Issue Date2007
PublisherJohn Wiley & Sons
CitationJournal of Applied Polymer Science 105 : 903–907 (2007)
AbstractThis work reports the solubility of carbon dioxide, ethylene and propylene in low density polyethylenes with densities lying in the range 0.870–0.940 g/cm3. The sorption behavior is studied as a function of the crystallinity in terms of the Flory-Huggins theory of polymer solutions. For each gas, both the Henry’s solubility constant referred to the amorphous phase of the films and its temperature dependence do not change significantly with the crystallinity of the LDPE films. The enthalpic polymer– gas interaction changes with the nature of the gases, but not with the crystallinity of the films
Publisher version (URL)http://dx.doi.org/10.1002/app.26134
Appears in Collections:(ICTP) Artículos
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