Measurement and prediction of activity coefficients of solvents in polymer solutions using gas chromatography and a cubic-perturbed equation of state with group contribution
In the polymer industry, separation equipment is required to separate unreacted monomers and solvents from polymers. In order to design such equipment, the solubilities of gases and vapors in molten polymers are needed as fundamental data. Activity coefficients at infinite dilution and finite concen...
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| Published in | Fluid phase equilibria Vol. 228-229; no. Complete; pp. 527 - 533 |
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| Main Authors | , , , , |
| Format | Journal Article |
| Language | English |
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Elsevier B.V
01.02.2005
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| Abstract | In the polymer industry, separation equipment is required to separate unreacted monomers and solvents from polymers. In order to design such equipment, the solubilities of gases and vapors in molten polymers are needed as fundamental data.
Activity coefficients at infinite dilution and finite concentrations of solvents in polymer solutions have been measured using gas chromatography. The polymers discussed in this paper are poly(ethylene oxide), poly(vinyl acetate), poly(methyl methacrylate), and poly(vinyl chloride-co-vinyl acetate). The solvents are benzene, toluene, acetone, 2-butanone, n-hexane, ethanol, ethyl acetate, and vinyl acetate. The temperature range is 353–404K.
The experimental data have been compared with those obtained using a cubic-perturbed equation of state with the GP=0E mixing rule combined with the ASOG group contribution method. The average deviation between the experimental and predicted values is 15%. |
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| AbstractList | In the polymer industry, separation equipment is required to separate unreacted monomers and solvents from polymers. In order to design such equipment, the solubilities of gases and vapors in molten polymers are needed as fundamental data.
Activity coefficients at infinite dilution and finite concentrations of solvents in polymer solutions have been measured using gas chromatography. The polymers discussed in this paper are poly(ethylene oxide), poly(vinyl acetate), poly(methyl methacrylate), and poly(vinyl chloride-co-vinyl acetate). The solvents are benzene, toluene, acetone, 2-butanone, n-hexane, ethanol, ethyl acetate, and vinyl acetate. The temperature range is 353–404K.
The experimental data have been compared with those obtained using a cubic-perturbed equation of state with the GP=0E mixing rule combined with the ASOG group contribution method. The average deviation between the experimental and predicted values is 15%. In the polymer industry, separation equipment is required to separate unreacted monomers and solvents from polymers. In order to design such equipment, the solubilities of gases and vapors in molten polymers are needed as fundamental data. Activity coefficients at infinite dilution and finite concentrations of solvents in polymer solutions have been measured using gas chromatography. The polymers discussed in this paper are poly(ethylene oxide), poly(vinyl acetate), poly(methyl methacrylate), and poly(vinyl chloride--co--vinyl acetate). The solvents are benzene, toluene, acetone, 2--butanone, n--hexane, ethanol, ethyl acetate, and vinyl acetate. The temperature range is 353--404K. The experimental data have been compared with those obtained using a cubic--perturbed equation of state with the GP=0(E)mixing rule combined with the ASOG group contribution method. The average deviation between the experimental and predicted values is 15%. |
| Author | Okitsu, Yuich Kurita, Shinpei Ochi, Kenji Kurihara, Kiyofumi Tochigi, Katsumi |
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| CitedBy_id | crossref_primary_10_1016_j_polymertesting_2016_12_027 crossref_primary_10_1016_j_cdc_2021_100820 crossref_primary_10_1021_je100389d crossref_primary_10_46481_jnsps_2022_711 crossref_primary_10_1002_polb_20811 crossref_primary_10_1021_je200741j crossref_primary_10_1002_app_29157 crossref_primary_10_1021_acs_jced_6b00612 |
| Cites_doi | 10.1252/kakoronbunshu.23.720 10.1039/TF9696500839 10.1002/app.1975.070190909 10.1016/S0378-3812(99)00099-0 10.1016/0378-3812(95)02737-Y 10.1039/TF9686401505 10.1252/jcej.29.217 10.1021/ma00223a031 10.1252/jcej.23.453 10.1039/TF9696500824 10.1021/ie010463t 10.1039/TF9686403100 10.1016/S0378-3812(98)00381-1 10.1021/i260067a021 |
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| Title | Measurement and prediction of activity coefficients of solvents in polymer solutions using gas chromatography and a cubic-perturbed equation of state with group contribution |
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