Study of poly (methyl methacrylate)/poly (ethylene oxide) blends in solution. II |
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| Affiliation: | 1. Department of Chemistry, College of Science, King Saud University, Riyadh 11451, Saudi Arabia;2. PG and Research Department of Chemistry, Jamal Mohamed College, Bharathidasan University, Tiruchirapalli 620 024, Tamilnadu, India;3. Department of Chemistry, Faculty of Science, Tanta University, Tanta 31527, Egypt;1. Drug Transport and Delivery Research Group, Department of Pharmacy, University of Tromsø The Arctic University of Norway, Universitetsvegen 57, 9037 Tromsø, Norway;2. Department of Pharmacy, Faculty of Mathematics and Natural Sciences, University of Oslo, Sem Sælands vei 3, 0371 Oslo, Norway |
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| Abstract: | In this paper, the equilibrium properties for the poly (methyl methacrylate)/poly (ethylene oxide) system have been studied in 1, 2,dichloroethane and methyl acetate separately. Viscometry and laser light scattering techniques have been employed. The results obtained from both methods can be compared. From this comparison it turns out that the compatibility decreases as the PEO molecular weight increases at constant molecular weight of PMMA. On the contrary, the compatibility increases as the PMMA molecular weight increases for the same PEO molecular weight. |
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