Please use this identifier to cite or link to this item: https://hdl.handle.net/11147/1956
Title: Solubility and diffusivity of solvents and nonsolvents in poly(methyl methacrylate co butyl methacrylate)
Authors: Eser, Hülya
Tıhmınlıoğlu, Funda
Eser, Hülya
Tıhmınlıoğlu, Funda
Keywords: Diffusion coefficient
Inverse gas chromatography
Poly(methymethacrylate-co butylmethacrylate)
Polymer solvent equilibrium
Copolymers
Issue Date: Oct-2005
Publisher: Elsevier Ltd.
Source: Eser, H., and Tihminlioglu, F. (2005). Solubility and diffusivity of solvents and nonsolvents in poly(methyl methacrylate co butyl methacrylate). Fluid Phase Equilibria, 237(1-2), 68-76. doi:10.1016/j.fluid.2005.08.016
Abstract: Locate full-text(opens in a new window)|Full Text(opens in a new window)|View at Publisher| Export | Download | Add to List | More... Fluid Phase Equilibria Volume 237, Issue 1-2, 25 October 2005, Pages 68-76 Solubility and diffusivity of solvents and nonsolvents in poly(methyl methacrylate co butyl methacrylate) (Article) Eser, H., Tihminlioglu, F. Department of Chemical Engineering, Izmir Institute of Technology, Gulbahce Urla- Izmir 35430, Turkey View references (25) Abstract In this study, thermodynamic properties, namely retention volume, infinitely dilute weight fraction activity coefficient, Flory-Huggins interaction parameter, solubility parameter of the polymer, partition coefficient and diffusion coefficients of the various solvents in poly(methyl methacrylate co butyl methacrylate) (PMMA co BMA) at infinite dilution of the solvent have been determined by inverse gas chromatography (IGC). In this technique, a small amount of the solvent was injected into the capillary column and its retention time was measured and used to calculate several polymer-solvent interaction parameters which are mentioned above. The solvents used in this study were methanol, ethanol, propanol, butanol, methyl acetate, ethyl acetate, propyl acetate, dichloromethane, trichloromethane, acetone, methyl methacrylate, butyl methacrylate for PMMA co BMA. The thermodynamic results, obtained from the experiments, indicated that trichloromethane and dichloromethane were the most suitable solvents among all the solvents studied for PMMA co BMA. The partition (K) and diffusion coefficients (Dp) of various solvents at infinite dilution of the solvent were calculated by using the model developed by Pawlisch et al. [C.A. Pawlisch, A. Macris, R.L. Laurence, Solute diffusion in polymers.1. The use of capillary column inverse gas chromatography, Macromolecules 20 (1987) 1564-1578]. The optimum K and D p values that best fit the data were found and the model predicted experimental data very well. Vrentas-Duda free volume theory was used to correlate the diffusion data and to investigate the effect of solvent size on diffusion process. The theory has shown to correlate diffusion data above the glass transition temperature very well for the PMMA-co-BMA-solvent system.
URI: http://doi.org/10.1016/j.fluid.2005.08.016
http://hdl.handle.net/11147/1956
ISSN: 0378-3812
0378-3812
Appears in Collections:Chemical Engineering / Kimya Mühendisliği
Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection
WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collection

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