Competition between poly(methyl methacrylate) and poly(ethylene glycol) during their interaction with poly(silicic acid) in an organic solvent |
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| Authors: | I. M. Papisov V. V. Grushina E. A. Litmanovich D. A. Sapozhnikov Ya. S. Vygodskii I. A. Gritskova |
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| Affiliation: | 1.Moscow State Automobile and Road Technical University,Moscow,Russia;2.Faculty of Chemistry,Moscow State University,Moscow,Russia;3.Nesmeyanov Institute of Organoelement Compounds,Russian Academy of Sciences,Moscow,Russia;4.Lomonosov State Academy of Fine Chemical Technology,Moscow,Russia |
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| Abstract: | It is shown that the interpolymer complex of poly(silicic acid) and poly(ethylene glycol) formed in the organic solvent benzene is thermodynamically more stable than the corresponding complex with PMMA. Therefore, poly(silicic acid) prepared via template polycondensation conducted in the presence of poly(ethylene glycol) contains a smaller amount of defects (branches and crosslinks) than the same polymer obtained in the presence of PMMA. To provide evidence for the interaction between poly(silicic acid) and PMMA, the dynamic light-scattering method with the use of “invisible” macromolecules has been applied for the first time. |
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