Determination of Pair Interaction Parameters of Multicomponent Polymer Systems.

Anatoly E Chalykh, Vladimir K Gerasimov, Tatiana F Petrova, Anna A Shcherbina

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Article in Polymers, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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5 · Who and what money

Authors and funding

4 authors.

Anatoly E ChalykhFrumkin Institute of Physical Chemistry and Electrochemistry Russian Academy of Sciences (IPCE RAS), 31, bld.4 Leninsky Prospect, Moscow 119071, Russia.ORCID 0000-0003-3272-2086

Vladimir K GerasimovFrumkin Institute of Physical Chemistry and Electrochemistry Russian Academy of Sciences (IPCE RAS), 31, bld.4 Leninsky Prospect, Moscow 119071, Russia.

Tatiana F PetrovaFrumkin Institute of Physical Chemistry and Electrochemistry Russian Academy of Sciences (IPCE RAS), 31, bld.4 Leninsky Prospect, Moscow 119071, Russia.

Anna A ShcherbinaFrumkin Institute of Physical Chemistry and Electrochemistry Russian Academy of Sciences (IPCE RAS), 31, bld.4 Leninsky Prospect, Moscow 119071, Russia.

Funding

Ministry of Science and Higher Education of the Russian Federation

6 · The paper itself

Abstract

From the examples of three and four-component polymer-polymer systems characterized by amorphous separation, an original technique for determining the pair parameters of interaction between components based on the sorption isotherms of common solvent vapor, particularly water vapor, has been developed. The possibility of calculating thermodynamic characteristics of multicomponent polymer compositions with specific interactions of functional groups from experimentally obtained sorption isotherms is shown. An algorithm for calculating pair interaction parameters, estimating concentration dependences of chemical potential and Gibbs free energy of mixing, and predicting the phase state of polymer mixtures was presented for the first time for such systems. The technique was tested on the example of systems poly(N-vinylpyrrolidone) (PNVP)-polyethylene glycol (PEG), PNVP-PEG-Poly(acrylic acid) (PAA), poly(N-vinylcaprolactam) (PNVCL)-PEG, and polyvinyl alcohol (PVA)-PEG.

Indexed as

chemical potentialGibbs free energy of mixingmulticomponent polymer systemspair interaction parameterphase state diagramssorption isothermssorption of water vapors

Identifiers

PMID38201732

DOI10.3390/polym16010068

PMCPMC10780505

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