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Baldanza A, Loianno V, Mensitieri G, Scherillo G. Modelling changes in glass transition temperature in polymer matrices exposed to low molecular weight penetrants. PHILOSOPHICAL TRANSACTIONS. SERIES A, MATHEMATICAL, PHYSICAL, AND ENGINEERING SCIENCES 2023; 381:20210216. [PMID: 36403634 DOI: 10.1098/rsta.2021.0216] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/07/2022] [Accepted: 06/13/2022] [Indexed: 06/16/2023]
Abstract
Polymer matrices, when placed in contact with a fluid phase made of low molecular weight compounds, undergo a depression of their glass transition temperature (Tg) determined by the absorption of these compounds and the associated plasticization phenomena. Frequently, this effect is coupled with the mechanical action of the compressive stress exerted by the pressure of the fluid phase that, in contrast, promotes an increase in the Tg. This issue is relevant for technological and structural applications of composites with high-performance glassy polymer matrices, due to their significant impact on mechanical properties. We propose an approach to model and predict rubbery-glassy states maps of polymer-penetrant mixtures as a function of pressure and temperature based on the Gibbs-Di Marzio criterion. This criterion establishes that a 'thermodynamic' glass transition does occur when the configurational entropy of the system vanishes. Although questioned and criticized, this criterion constitutes a good practical approach to analyse changes of Tg and, in some way, reflects the idea of an 'entropy catastrophe' occurring at the glass transition. Several polymer-penetrant systems have been analysed modelling configurational entropy by means of the Non-Random Hydrogen Bond lattice fluid theory, able to cope with possible non-random mixing and occurrence of strong interactions. This article is part of the theme issue 'Ageing and durability of composite materials'.
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Affiliation(s)
- Antonio Baldanza
- Department of Chemical, Materials and Production Engineering, University of Naples Federico II, P.le Tecchio 80, Naples 80125, Italy
| | - Valerio Loianno
- Department of Chemical, Materials and Production Engineering, University of Naples Federico II, P.le Tecchio 80, Naples 80125, Italy
| | - Giuseppe Mensitieri
- Department of Chemical, Materials and Production Engineering, University of Naples Federico II, P.le Tecchio 80, Naples 80125, Italy
| | - Giuseppe Scherillo
- Department of Chemical, Materials and Production Engineering, University of Naples Federico II, P.le Tecchio 80, Naples 80125, Italy
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Klajmon M. Purely Predicting the Pharmaceutical Solubility: What to Expect from PC-SAFT and COSMO-RS? Mol Pharm 2022; 19:4212-4232. [PMID: 36136040 DOI: 10.1021/acs.molpharmaceut.2c00573] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
A pair of popular thermodynamic models for pharmaceutical applications, namely, the perturbed-chain statistical associating fluid theory (PC-SAFT) equation of state and the conductor-like screening model for real solvents (COSMO-RS) are thoroughly benchmarked for their performance in predicting the solubility of active pharmaceutical ingredients (APIs) in pure solvents. The ultimate goal is to provide an illustration of what to expect from these progressive frameworks when applied to the thermodynamic solubility of APIs based on activity coefficients in a purely predictive regime without specific experimental solubility data (the fusion properties of pure APIs were taken from experiments). While this kind of prediction represents the typical modus operandi of the first-principles-aided COSMO-RS, PC-SAFT is a relatively highly parametrized model that relies on experimental data, against which its pure-substance and binary interaction parameters (kij) are fitted. Therefore, to make this benchmark as fair as possible, we omitted any binary parameters of PC-SAFT (i.e., kij = 0 in all cases) and preferred pure-substance parameter sets for APIs not trained to experimental solubility data. This computational approach, together with a detailed assessment of the obtained solubility predictions against a large experimental data set, revealed that COSMO-RS convincingly outperformed PC-SAFT both qualitatively (i.e., COSMO-RS was better in solvent ranking) and quantitatively, even though the former is independent of both substance- and mixture-specific experimental data. Regarding quantitative comparison, COSMO-RS outperformed PC-SAFT for 9 of the 10 APIs and for 63% of the API-solvent systems, with root-mean-square deviations of the predicted data from the entire experimental data set being 0.82 and 1.44 log units, respectively. The results were further analyzed to expand the picture of the performance of both models with respect to the individual APIs and solvents. Interestingly, in many cases, both models were found to qualitatively incorrectly predict the direction of deviations from ideality. Furthermore, we examined how the solubility predictions from both models are sensitive to different API parametrizations.
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Affiliation(s)
- Martin Klajmon
- Department of Physical Chemistry, Faculty of Chemical Engineering, University of Chemistry and Technology, Prague, Technická 5, 166 28 Prague 6, Czech Republic
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Huang Y, Ouyang D, Ji Y. The Role of H‐bond in Solubilizing Drugs by Ionic Liquids: A Molecular Dynamics and Density Functional Theory Study. AIChE J 2022. [DOI: 10.1002/aic.17672] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Affiliation(s)
- Yiping Huang
- Jiangsu Province Hi‐Tech Key Laboratory for Biomedical Research, School of Chemistry and Chemical Engineering Southeast University Nanjing P. R. China
| | - Defang Ouyang
- State Key Laboratory of Quality Research in Chinese Medicine Institute of Chinese Medical Sciences (ICMS), University of Macau Macao SAR China
| | - Yuanhui Ji
- Jiangsu Province Hi‐Tech Key Laboratory for Biomedical Research, School of Chemistry and Chemical Engineering Southeast University Nanjing P. R. China
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Tammaro D, Lombardi L, Scherillo G, Di Maio E, Ahuja N, Mensitieri G. Modelling Sorption Thermodynamics and Mass Transport of n-Hexane in a Propylene-Ethylene Elastomer. Polymers (Basel) 2021; 13:1157. [PMID: 33916594 PMCID: PMC8038456 DOI: 10.3390/polym13071157] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2021] [Revised: 03/28/2021] [Accepted: 03/29/2021] [Indexed: 11/17/2022] Open
Abstract
Optimization of post polymerization processes of polyolefin elastomers (POE) involving solvents is of considerable industrial interest. To this aim, experimental determination and theoretical interpretation of the thermodynamics and mass transport properties of POE-solvent mixtures is relevant. Sorption behavior of n-hexane vapor in a commercial propylene-ethylene elastomer (V8880 VistamaxxTM from ExxonMobil, Machelen, Belgium) is addressed here, determining experimentally the sorption isotherms at temperatures ranging from 115 to 140 °C and pressure values of n-hexane vapor up to 1 atm. Sorption isotherms have been interpreted using a Non Random Lattice Fluid (NRLF) Equation of State model retrieving, from data fitting, the value of the binary interaction parameter for the n-hexane/V8880 system. Both the cases of temperature-independent and of temperature-dependent binary interaction parameter have been considered. Sorption kinetics was also investigated at different pressures and has been interpreted using a Fick's model determining values of the mutual diffusivity as a function of temperature and of n-hexane/V8880 mixture composition. From these values, n-hexane intra-diffusion coefficient has been calculated interpreting its dependence on mixture concentration and temperature by a semi-empiric model based on free volume arguments.
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Affiliation(s)
- Daniele Tammaro
- Department of Chemical, Materials and Production Engineering, University of Naples Federico II, Piazzale Tecchio 80, 80125 Naples, Italy; (D.T.); (L.L.); (G.S.); (E.D.M.)
| | - Lorenzo Lombardi
- Department of Chemical, Materials and Production Engineering, University of Naples Federico II, Piazzale Tecchio 80, 80125 Naples, Italy; (D.T.); (L.L.); (G.S.); (E.D.M.)
| | - Giuseppe Scherillo
- Department of Chemical, Materials and Production Engineering, University of Naples Federico II, Piazzale Tecchio 80, 80125 Naples, Italy; (D.T.); (L.L.); (G.S.); (E.D.M.)
- UdR of Naples, INSTM (National Interuniversity Consortium of Materials Science and Technology), Piazzale Tecchio 80, 80125 Naples, Italy
| | - Ernesto Di Maio
- Department of Chemical, Materials and Production Engineering, University of Naples Federico II, Piazzale Tecchio 80, 80125 Naples, Italy; (D.T.); (L.L.); (G.S.); (E.D.M.)
- UdR of Naples, INSTM (National Interuniversity Consortium of Materials Science and Technology), Piazzale Tecchio 80, 80125 Naples, Italy
| | - Navanshu Ahuja
- Sulzer Chemtech Ltd., Else-Züblinstr. 11, 8404 Winterthur, Switzerland;
| | - Giuseppe Mensitieri
- Department of Chemical, Materials and Production Engineering, University of Naples Federico II, Piazzale Tecchio 80, 80125 Naples, Italy; (D.T.); (L.L.); (G.S.); (E.D.M.)
- UdR of Naples, INSTM (National Interuniversity Consortium of Materials Science and Technology), Piazzale Tecchio 80, 80125 Naples, Italy
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Long B, Zhu S, Ding Y. Antisolvent effect on the crystallization of fosfomycin phenylethylamine by acetone: Solubility measurement and thermodynamic mechanism analysis. AIChE J 2021. [DOI: 10.1002/aic.17140] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Affiliation(s)
- Bingwen Long
- Key Laboratory for Green Chemical Process of Ministry of Education, Hubei Key Laboratory for Novel Reactor and Green Chemical Technology, School of Chemical Engineering and Pharmacy Wuhan Institute of Technology Wuhan China
| | - Shijie Zhu
- Key Laboratory for Green Chemical Process of Ministry of Education, Hubei Key Laboratory for Novel Reactor and Green Chemical Technology, School of Chemical Engineering and Pharmacy Wuhan Institute of Technology Wuhan China
| | - Yigang Ding
- Key Laboratory for Green Chemical Process of Ministry of Education, Hubei Key Laboratory for Novel Reactor and Green Chemical Technology, School of Chemical Engineering and Pharmacy Wuhan Institute of Technology Wuhan China
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Tsivintzelis I, Kontogeorgis GM, Panayiotou C. Dimerization of Carboxylic Acids: An Equation of State Approach. J Phys Chem B 2017; 121:2153-2163. [DOI: 10.1021/acs.jpcb.6b10652] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Ioannis Tsivintzelis
- Department
of Chemical Engineering, Aristotle University of Thessaloniki, 54124 Thessaloniki, Greece
| | - Georgios M. Kontogeorgis
- Center
for Energy Resources Engineering (CERE), Department of Chemical and
Biochemical Engineering, Technical University of Denmark, DK-2800 Kgs. Lyngby, Denmark
| | - Costas Panayiotou
- Department
of Chemical Engineering, Aristotle University of Thessaloniki, 54124 Thessaloniki, Greece
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Tsivintzelis I, Sanxaridou G, Pavlidou E, Panayiotou C. Foaming of polymers with supercritical fluids: A thermodynamic investigation. J Supercrit Fluids 2016. [DOI: 10.1016/j.supflu.2015.11.025] [Citation(s) in RCA: 36] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
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8
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Solvation free energy and solubility of acetaminophen and ibuprofen in supercritical carbon dioxide: Impact of the solvent model. J Supercrit Fluids 2016. [DOI: 10.1016/j.supflu.2015.11.009] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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10
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Bouillot B, Teychené S, Biscans B. Discussion and Improvement of the Refined COSMO-SAC Parameters for Solubility Predictions: Part 2. Ind Eng Chem Res 2013. [DOI: 10.1021/ie301905k] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Baptiste Bouillot
- Laboratoire de Génie Chimique, Université de Toulouse - CNRS, UMR CNRS 5503,
BP 84234 Campus INP-ENSIACET, 4 allée Emile Monso, 31432 Toulouse
Cedex 4, France
| | - Sébastien Teychené
- Laboratoire de Génie Chimique, Université de Toulouse - CNRS, UMR CNRS 5503,
BP 84234 Campus INP-ENSIACET, 4 allée Emile Monso, 31432 Toulouse
Cedex 4, France
| | - Béatrice Biscans
- Laboratoire de Génie Chimique, Université de Toulouse - CNRS, UMR CNRS 5503,
BP 84234 Campus INP-ENSIACET, 4 allée Emile Monso, 31432 Toulouse
Cedex 4, France
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Harini M, Adhikari J, Rani KY. A Review on Property Estimation Methods and Computational Schemes for Rational Solvent Design: A Focus on Pharmaceuticals. Ind Eng Chem Res 2013. [DOI: 10.1021/ie301329y] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- M. Harini
- Department of Chemical
Engineering, Indian Institute of Technology, Bombay, Mumbai-400076, India
| | - Jhumpa Adhikari
- Department of Chemical
Engineering, Indian Institute of Technology, Bombay, Mumbai-400076, India
| | - K. Yamuna Rani
- Chemical Engineering Division, Indian Institute of Chemical Technology, Hyderabad-500607,
India
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12
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Tsioptsias C, Tsivintzelis I, Panayiotou C. Equation-of-state modeling of mixtures with ionic liquids. Phys Chem Chem Phys 2010; 12:4843-51. [DOI: 10.1039/c000208a] [Citation(s) in RCA: 35] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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