catalКатализ в промышленностиKataliz v promyshlennosti1816-03872413-6476LLC "KALVIS"10.18412/1816-0387-2024-5-71-80catal-1075Research ArticleКАТАЛИЗ И ОХРАНА ОКРУЖАЮЩЕЙ СРЕДЫСATALYSIS AND ENVIRONMENT PROTECTIONИсследование основных закономерностей гликолиза поликарбонатного пластика при катализе основными агентамиInvestigation of the main regularities of glycolysis of polycarbonate plastic during catalysis by basic agentsКурнешоваТ. А.KurneshovaT. A.ctls@kalvis.ruСапуновВ. Н.SapunovV. N.ctls@kalvis.ruСергеенковаМ. П.SergeenkovaM. P.ctls@kalvis.ruДжабаровГ. В.DzhabarovG. V.ctls@kalvis.ruВарламоваЕ. В.KozlovskiyR. A.ctls@kalvis.ruВороновМ. С.VoronovM. S.ctls@kalvis.ruКозловскийР. А.VarlamovaE. V.ctls@kalvis.ruАнтошкинаЕ. П.AntoshkinaE. P.ctls@kalvis.ruРоссийский химико-технологический университет (РХТУ) им. Д.И. Менделеева, МоскваРоссияMendeleev University of Chemical Technology of Russia, MoscowRussian FederationИнститут элементоорганических соединений им. А.Н. Несмеянова РАН (ИНЭОС РАН), МоскваРоссияA.N. Nesmeyanov Institute of Organoelement Compounds of Russian Academy of Sciences (INEOS RAS), MoscowRussian Federation2024301020242457180Copyright © LLC "KALVIS", 20242024LLC "KALVIS"LLC "KALVIS"https://www.catalysis-kalvis.ru/jour/about/submissions#copyrightNoticehttps://www.catalysis-kalvis.ru/jour/article/view/1075

Данная работа посвящена изучению влияния различных основных катализаторов на процесс гликолиза пластика на основе поликарбоната бисфенола А (ПК). Было установлено, что процесс химического распада ПК под действием этиленгликоля (ЭГ) приводит к образованию продуктов с высокой добавленной стоимостью – бисфенола А (мономер ПК, БФА), совместных эфиров БФА и этиленкарбоната (ЭК)/этиленгликоля (ЭГ) (моногидроксиэтиловый эфир БФА, МГЭ-БФА, бисгидроксиэиловый эфир БФА, БГЭ-БФА). Также была проведена количественная оценка выходов продуктов реакции. Выходы продуктов при 100 %-ной конверсии ПК составили, %: БФА – 33, МГЭ-БФА – 50, БГЭ-БФА – 17. Также в рамках данной работы было проведено сравнение эффективности использования различных щелочных агентов в качестве катализатора в зависимости от типа металла.

This research focuses on analyzing how different primary catalysts affect the glycolysis of plastic made from bisphenol A (PC) polycarbonate. It was found that the process of chemical decomposition of PC under the influence of ethylene glycol (EG) leads to the formation of products with high added value: bisphenol A (PC monomer, BPA), BPA, and ethylene carbonate or ethylene glycol co-ethers (BPA monohydroxyethyl ether, MHE-BPA; BPA bishydroxyethyl ether, BHE-BPA). A quantitative assessment of the yields of the reaction products was also carried out. The yield of products at 100% PC conversion was 33% for BPA, 50% for MHE-BPA, and 17% for BHE-BPA. The effectiveness of using various alkalis depending on the type of metal was also compared within the context of this investigation.

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The authors declare that there are no conflicts of interest present.