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Surface chemistry of polymers. The adsorption of carbon dioxide and sulfur dioxide on polyvinylidene chloride
Auteur(s)
Date de parution
1972
In
Helvetica Chimica Acta, Wiley, 1972/55/1/101-106
Résumé
Isotherms for the adsorption of nitrogen (77 K), carbon dioxide (195-247 K) and sulfur dioxide (254-293 K) on polyvinylidene chloride have been measured volumetrically. The <i>B.E.T. </i> cross-sectional areas of 18 Å<sup>2</sup> (CO<sub>2</sub>) and 24 Å<sup>2</sup> (SO<sub>2</sub>) are comparable to liquid density values. The isosteric heat of adsorption of CO<sub>2</sub> is constant for 0.2 <θ < 0.4 and is lower than the latent heat of condensation. For SO<sub>2</sub>, the two are practically identical up to the monolayer. Entropy calculations show supermobility in the case of CO<sub>2</sub>.
Autre version
http://dx.doi.org/10.1002/hlca.19720550114
Type de publication
Resource Types::text::journal::journal article
