Synthesis of aromatic polysulfides on the basis of sulfur and naphthalene

Synthesis of aromatic polysulfides on the basis of sulfur and naphthalene Specific features of sulfur polycondensation with naphthalene in the presence of AlCl3 and the influence exerted by synthesis conditions on the structure and properties of aromatic polysulfides being formed were studied. It was shown that the soluble polynaphthylene sulfides markedly surpass linear poly(1,4-phenylene sulfide) in thermal-oxidative stability. It was found that the predominance of the dehydropolycondensation of naphthalene to give a polynaphthylene structure cross-linked by sulfur over the polysulfurization of naphthalene and incorporation of sulfur into a linear chain. A high stability was demonstrated of polynaphthylene structures formed via dehydropolycondensation of naphthalene under the action of AlCl3, followed by sulfurization of polynaphthylene with elementary sulfur into lateral chains. Russian Journal of Applied Chemistry Springer Journals

Synthesis of aromatic polysulfides on the basis of sulfur and naphthalene

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Pleiades Publishing
Copyright © 2015 by Pleiades Publishing, Ltd.
Chemistry; Chemistry/Food Science, general; Industrial Chemistry/Chemical Engineering
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