Synthesis and sorption properties of new fibrous nitrogen- and phosphorus-containing ion exchangers

Грачек, В. И.; Шункевич, А. А.; Martsynkevich, R. V.

doi:10.1134/s1070427211080076

Cited by 4 publications

(2 citation statements)

References 4 publications

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“…Several experimental methods were employed to obtain polymeric structures with cation‐removal properties. Among the different strategies, the modification of commercial polymers by phosphorylation according to the Kabachnik‐Fields reaction 32 and the development of new functional monomers were prevalent. Nevertheless, examples dealing with hydrosoluble phosphonic acid based materials are still quite rare in the literature.…”

Section: Introductionmentioning

confidence: 99%

Hydrosoluble phosphonic acid functionalized poly(2‐ethyl‐2‐oxazoline) chelating polymers for the sorption of metallic cations

Benkhaled

Montheil

Lapinte

et al. 2020

Journal of Polymer Science

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In the present contribution, the synthesis of well-defined water-soluble phosphonic-acid based poly(2-ethyl-2-oxazoline) and the preliminary study of their sorption properties were reported. For such purpose, poly(2-ethyl-2-oxazoline) (POx) was first prepared. Then, controlled hydrolysis allowed the obtaining of statistical poly(2-ethyl-2-oxazoline)-stat-poly(ethyleneimine) (POx-st-PEI) with 20% of ethyleneimine units, which allowed maintaining water solubility of the copolymers. The latter were successfully functionalized with either dimethyl(acryloyloxymethyl) phosphonate (APC1) or diethyl-2-(acrylamido)ethylphosphonate (DAAmEP) using Michael reaction. Phosphonated esters were hydrolyzed to produce phosphonic acid groups, thus, leading to hPOx-st-PEI-APC1 and hPOx-st-PEI-DAAmEP copolymers. Finally, functionalized statistical copolymers were successfully used for the sorption of divalent or trivalent metallic cations. The reported work aims at reporting the synthesis of original polyoxazoline materials functionalized with phosphonic acid groups that could be further employed for water treatment in polymer enhanced ultrafiltration processes.

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Section: Introductionmentioning

confidence: 99%

Hydrosoluble phosphonic acid functionalized poly(2‐ethyl‐2‐oxazoline) chelating polymers for the sorption of metallic cations

Benkhaled

Montheil

Lapinte

et al. 2020

Journal of Polymer Science

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“…The band in the region of 1664 cm -1 can be band in the region of 1596 cm -1 , characteristic of the deformation vibrations of =N-H bonds. A wide absorption band is observed at 2915 cm -1 , characteristic of salts of secondary and primary amines; this result indicated that aminomethylene phosphonic groups are present in the polyampholyte as an internal salt (Ameer et al, 2003;Grachek et al, 2011). SEM images were recorded to investigate the surface conditions of the original material and the perforated polymer before and after modification.…”

Section: Synthesismentioning

confidence: 99%

Synthesis of a New Granulated Polyampholyte and its Sorption Properties

Davron¹,

Mukhamediev²,

Nurbek³

et al. 2020

IJTech

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In this paper, characteristics of the interaction of an anion-exchange resin PPE-1 formed using phosphonic acid and granular polyvinyl chloride were investigated. In addition, a reaction order of 1.43 and an activation energy of 47.8 kJ/mol for phosphorylation were determined. The as-obtained polyampholyte was characterized by scanning electron microscopy (SEM), energydispersive X-ray (EDX) analysis, and Fourier transform infrared (FTIR) spectroscopy. Optimum conditions for obtaining a new polyampholyte that selectively adsorbs non-ferrous metal ions on the basis of granulated polyvinyl chloride were determined. Sorption isotherms for non-ferrous metal ions were constructed, which were reasonably explained by Langmuir isotherms. Various thermodynamic parameters, such as isobaric-isothermal potential (ΔG), enthalpy (ΔH), and entropy (ΔS), were calculated to understand the nature of sorption. The examined polyampholyte selectively absorbed copper(II) ions.

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Novel phosphorus-containing cyclodextrin polymers and their affinity for calcium cations and hydroxyapatite

Wintgens

Dalmas

Sébille

2013

Carbohydrate Polymers

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Synthesis and sorption properties of new fibrous nitrogen- and phosphorus-containing ion exchangers

Cited by 4 publications

References 4 publications

Hydrosoluble phosphonic acid functionalized poly(2‐ethyl‐2‐oxazoline) chelating polymers for the sorption of metallic cations

Hydrosoluble phosphonic acid functionalized poly(2‐ethyl‐2‐oxazoline) chelating polymers for the sorption of metallic cations

Synthesis of a New Granulated Polyampholyte and its Sorption Properties

Novel phosphorus-containing cyclodextrin polymers and their affinity for calcium cations and hydroxyapatite

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