Synthesis of poly(naphthoylenebenzimidazole)s in a green supercritical fluid

Belomoina, N.M.; Bulycheva, E.G.; Neskreptova, E.V.; Nikitin, L.N.; Bruma, M.

Авторы: Belomoina N.M., Bulycheva E.G., Neskreptova E.V., Nikitin L.N., Bruma M.
Журнал: Doklady Chemistry
Том: 452
Номер: 2
Год издания: 2013
Издательство: Pleiades Publishing, Ltd
Местоположение издательства: Road Town, United Kingdom
Первая страница: 250
Последняя страница: 253
DOI: 10.1134/S0012500813110049
Аннотация: Poly(heteroarylene)s (PHAs) are of special interest as materials for thermo, heat, fire, and chemical resistant systems, films, and matrices used for immobilization of catalysts, coatings, fibers, etc. [1]. Poly(naphthoylenebenzimidazole)s (PNBIs) are one of the promising classes of PHAs. PNBIs based on six-membered dianhydrides of tetracarboxylic acids are known to be considerably superior in hydrolytic, thermal, and thermal oxidative stability to analogues derived from five-membered dianhydrides of tetracarboxylic acids [2, 3]. To avoid the use of phenolic solvents commonly employed in the synthesis of PNBIs and poorly removable from the target polymer, it seemed to be expedient to study PNBI formation in a green super critical fluid successfully used in the synthesis of other PHA classes [7–9]. The wide application of supercritical carbon dioxide (scCO2) is due to its special physicochemical properties, such as availability, low cost, incombustibility, low toxicity, and relative inertness in chemical reactions [10]. The aim of this work is to search for fundamentally new approach to the synthesis of PNBIs in a green supercritical fluid scCO2.
Добавил в систему: Беломоина Наталия Михайловна

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