Effect of chemical structure of aromatic polyamides on sorption capacity towards ammonia

A study was made of the effect of chemical structure of aromatic polyamides of different electron characteristics (polyphenyl amides, polyamides with different electron-acceptor and electron-donor bridge groups) on sorption properties towards ammonia. Sorption capacity of polyamides increases with a...

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Bibliographic Details
Published in:Polymer science USSR 1983, Vol.25 (9), p.2236-2246
Main Authors: Belyakov, V.K, Karachevtsev, V.G, Semenova, S.I, Smirnov, S.I, Kosobutskii, V.A, Bolduzev, A.I
Format: Article
Language:English
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Summary:A study was made of the effect of chemical structure of aromatic polyamides of different electron characteristics (polyphenyl amides, polyamides with different electron-acceptor and electron-donor bridge groups) on sorption properties towards ammonia. Sorption capacity of polyamides increases with an increase in the overall positive π-electron charge of the amide group z NC +. Partial molecular thermodynamic functions of the sorbed ammonia show a linear dependence on z NC + of the amide group. Possible mechanisms of interaction of ammonia with amide centres were analysed.
ISSN:0032-3950
1878-268X
DOI:10.1016/0032-3950(83)90421-5