Radical copolymerization of citraconic acid with styrene in dioxane solution |
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Authors: | Maria ?wita?a-?eliazkow |
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Affiliation: | Faculty of Chemistry, Nicolaus Copernicus University, 7 Gagarina Street, 87-100 Toruń, Poland |
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Abstract: | Styrene and citraconic acid (CA) were copolymerized in the dioxane solution ranging mole fraction of CA in feed from 0.1 to 0.9 at 70 °C. The terminal and penultimate models were used to fit the copolymer composition equation. Curve fitting, Mayo-Lewis, Joshi-Joshi, Fineman-Ross, Ezrielev-Brokhina-Roskin, Kellen-Tüd?s methods were used to solve the copolymer equation in terminal model. Besides these methods Solver in Excel 97 was used to solve copolymer equation in terminal and penultimate models of copolymerization. Experimental mole fractions of CA and those predicted from both models are agreed within the precision of the method used for the copolymer analysis, so the copolymer composition does not permit a definite choice of the adequate copolymerization model. |
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Keywords: | Citraconic acid Styrene Copolymerization Reactivity ratios |
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