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Solubility of poly(ethylene glycol)nonylphenyl ether in supercritical carbon dioxide

Identifieur interne : 001E59 ( Main/Exploration ); précédent : 001E58; suivant : 001E60

Solubility of poly(ethylene glycol)nonylphenyl ether in supercritical carbon dioxide

Auteurs : K. Dimitrov [Bulgarie] ; L. Boyadzhiev [Bulgarie] ; R. Tufeu [France] ; F. Cansell [France] ; D. Barth [France]

Source :

The Journal of Supercritical Fluids [ 0896-8446 ] ; 1998.

RBID : ISTEX:13FBDAD875C91EBACC87EB36B17B6A75D841FD7D

Descripteurs français

Wicri :
- topic : Polymère, Solvant.

English descriptors

Abstract

Abstract: The solubility of (polyethylene glycol)nonylphenyl ether (PEG-NPE) of weight average molar mass 2500g/mol in supercritical carbon dioxide was studied and the effects of the main parameters, such as pressure, temperature, and solvent density, were evaluated. The individual i-mer partition coefficients were obtained for all polymer compositions. The kinetics of supercritical extraction of PEG-NPE in a stirred batch contactor were studied also. The polymer extraction rate was investigated as a function of the agitator speed. Mass transfer coefficients of the polymer and those of three selected fractions in a solvent-rich phase were evaluated.

Url:

https://api.istex.fr/document/13FBDAD875C91EBACC87EB36B17B6A75D841FD7D/fulltext/pdf

DOI: 10.1016/S0896-8446(98)00093-X

Affiliations:

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Le document en format XML

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<term>Elsevier science</term>
<term>Exponential function</term>
<term>Fractionation</term>
<term>Glycol</term>
<term>High pressure</term>
<term>Lower molar masses</term>
<term>Mass fraction</term>
<term>Mass transfer</term>
<term>Mass transfer kinetics</term>
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<term>Molar</term>
<term>Molar mass</term>
<term>Molar mass distribution</term>
<term>Molecular mass</term>
<term>Nonylphenyl ether</term>
<term>Parent polymer</term>
<term>Polymer</term>
<term>Polymer extracts</term>
<term>Polymer fractionation</term>
<term>Polymer fractions</term>
<term>Polymer solubility increases</term>
<term>Pressure increase</term>
<term>Recuperation vessel</term>
<term>Rotation speed</term>
<term>Separation factor</term>
<term>Solubility</term>
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<term>Mass transfer kinetics</term>
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<front><div type="abstract" xml:lang="en">Abstract: The solubility of (polyethylene glycol)nonylphenyl ether (PEG-NPE) of weight average molar mass 2500g/mol in supercritical carbon dioxide was studied and the effects of the main parameters, such as pressure, temperature, and solvent density, were evaluated. The individual i-mer partition coefficients were obtained for all polymer compositions. The kinetics of supercritical extraction of PEG-NPE in a stirred batch contactor were studied also. The polymer extraction rate was investigated as a function of the agitator speed. Mass transfer coefficients of the polymer and those of three selected fractions in a solvent-rich phase were evaluated.</div>
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Solubility of poly(ethylene glycol)nonylphenyl ether in supercritical carbon dioxide

Solubility of poly(ethylene glycol)nonylphenyl ether in supercritical carbon dioxide

Source :

Descripteurs français

English descriptors

Abstract

Links toward previous steps (curation, corpus...)

Le document en format XML

Pour manipuler ce document sous Unix (Dilib)

Pour mettre un lien sur cette page dans le réseau Wicri