Reactive polymers XLIV Sorption of gases on macroporous 2,3-epoxypropyl methacrylate co-polymers modified with amino groups of various structure

Hradil, J.; Švec, František; Kálal, J.; Belyakova, L. D.; Киселев, А. В.; Платонова, Н. П.; Shevchenko, T. I.

doi:10.1016/0167-6989(82)90009-5

Cited by 3 publications

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“…With the aid of gas chromatography we determined the heats of adsorption of nitrogen-containing heterocyclic compounds on BaS04 and calculated the contributions of the dipole-ion specific interaction Aqa to the total adsorption energy (Figure 6). 17 As is seen, the presence of a nitrogen atom with an unshared electron pair in the benzene ring increases greatly Aqa of the adsorbed nitro- (9) 2-picoline; (10) 3-picoline; (11) 4-picoline; (12) 2,6-lutidine; (13) 2,5-lutidine; (14) 3,5-lutidine;…”

Section: Surface Chemistry Of Polymeric Sorbentsmentioning

confidence: 92%

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Adsorption and chromatographic properties of some polymeric and ionic adsorbents

Belyakova¹

1987

Langmuir

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Modification of the surface of adsorbents changes their adsorption and chromatographic properties.Polymeric adsorbents obtained by modifying styrene-divinylbenzene, polystyrene, and methacrylate matrices with amines, amine alcohols, and sulfuric acid as well as salt-based ionic adsorbents (chlorides and sulfates of bivalent metals) have been studied. The dependences of retention and adsorption values and thermodynamic characteristics on structural parameters and the chemical nature of the adsorbent surface have been found. The contributions to the total adsorption energy of specific interactions between adsorbates of different types and the adsorbent surface have been evaluated.

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Section: Surface Chemistry Of Polymeric Sorbentsmentioning

confidence: 92%

“…Figure6. Initial adsorption heats of BaS04 vs. the number of carbon and nitrogen atoms in the molecules: (1) re-hydrocarbons;(2) benzene; (3) toluene; (4) ethylbenzene; (5) p-xylene; (6) mxylene; (7) o-xylene; (8) pyridine;(9) 2-picoline;(10) 3-picoline; …”

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confidence: 99%