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Determination of thermodynamic interactions of polylactide and biphasic calcium phosphate/polylactidecomposite by inverse gas chromatography at infinite dilution
dc.creator | Nastasović, Aleksandra | |
dc.creator | Ignjatović, Nenad | |
dc.creator | Uskoković, Dragan | |
dc.creator | Marković, Dana D. | |
dc.creator | Ekmeščić, Bojana | |
dc.creator | Maksin, Danijela | |
dc.creator | Onjia, Antonije | |
dc.date.accessioned | 2021-03-10T12:34:18Z | |
dc.date.available | 2021-03-10T12:34:18Z | |
dc.date.issued | 2014 | |
dc.identifier.issn | 0022-2461 | |
dc.identifier.uri | http://TechnoRep.tmf.bg.ac.rs/handle/123456789/2822 | |
dc.description.abstract | Inverse gas chromatography at infinite dilution was applied to determine the thermodynamic interactions of poly(l-lactide) (PLLA) and the composite of biphasic calcium phosphate and PLLA (BCP/PLLA). The specific retention volumes, , of 11 organic compounds of different chemical nature and polarity (non-polar, donor or acceptor) were determined in the temperature range of 308-378 K for PLLA and 308-398 K for BCP/PLLA. The weight fraction activity coefficients of test sorbates, , and the Flory-Huggins interaction parameters, , were estimated and discussed in terms of interactions of the sorbates with PLLA and BCP/PLLA. Also, the partial molar free energy, , the partial molar heat of mixing, , the sorption molar free energy, , the sorption enthalpy, , and the sorption entropy, , were analyzed. A different chromatographic behavior of the two investigated samples, PLLA and BCP/PLLA, was observed. The values of indicated n-alkanes, diethyl ether, tetrahydrofurane (THF), cyclohexane, benzene, dioxane (except for 338 K), and ethyl acetate (EtAc) (except for 338 K) as non-solvents, and chloroform (CHCl3) as good solvent (except for 378 K) for PLLA. For BCP/PLLA, CHCl3, EtAc (for 378 K), dioxane (except for 378 K), and THF were indicated as good solvents. | en |
dc.publisher | Springer, New York | |
dc.relation | info:eu-repo/grantAgreement/MESTD/Integrated and Interdisciplinary Research (IIR or III)/43009/RS// | |
dc.relation | info:eu-repo/grantAgreement/MESTD/Integrated and Interdisciplinary Research (IIR or III)/45004/RS// | |
dc.rights | restrictedAccess | |
dc.source | Journal of Materials Science | |
dc.title | Determination of thermodynamic interactions of polylactide and biphasic calcium phosphate/polylactidecomposite by inverse gas chromatography at infinite dilution | en |
dc.type | article | |
dc.rights.license | ARR | |
dc.citation.epage | 5086 | |
dc.citation.issue | 14 | |
dc.citation.other | 49(14): 5076-5086 | |
dc.citation.rank | M21 | |
dc.citation.spage | 5076 | |
dc.citation.volume | 49 | |
dc.identifier.doi | 10.1007/s10853-014-8214-3 | |
dc.identifier.scopus | 2-s2.0-84900419171 | |
dc.identifier.wos | 000335451700041 | |
dc.type.version | publishedVersion |