Polyfunctional linear poly[(sodiumoxy)methylsilsesquioxanes] are obtained via the hydrolytic polycondensation of sodiumoxymethyl(dialkoxy)silanes. Blocking of sodiumoxy groups with vinyl(dimethyl)chlorosilane is employed to obtain vinyl(dimethyl)siloxane replicas of polyfunctional matrices. The linear structure of the polymers is studied by GPC, NMR spectroscopy, and elemental analysis. The specific properties of poly[vinyl(dimethylsiloxy)methylsilsesquioxane] are investigated and are shown to be primarily related to an abnormally dense organization of polymer coils in solutions.
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Obrezkova et al. (2009) studied this question.
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