Preparation of L-lactide of polymerization purity with removal of impurities by fractional meltingстатья
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Дата последнего поиска статьи во внешних источниках: 5 октября 2017 г.
Авторы:
Konoplev I.A. ,
Kozlovskii R.A. ,
Shvets V.F. ,
Kuznetsov A.E.,
Beloded A.V. ,
Kagramanov G.G. ,
Safronov V.A.,
Yartym A.I.
Журнал:
Russian Journal of Applied Chemistry
Том:
90
Номер:
3
Год издания:
2017
Издательство:
Maik Nauka/Interperiodica Publishing
Местоположение издательства:
Russian Federation
Первая страница:
415
Последняя страница:
422
DOI:
10.1134/S1070427217030144
Аннотация:
Isolation and purification of L-lactide to reach the polymerization purity level with removal of impurities by fractional melting was studied. The process implementation was suggested, and the influence of various parameters on the rate and degree of impurity removal was examined. The optimum conditions for removal of the main impurities from L-lactide were found. The method allows preparation of L-lactide of polymerization purity in approximately 50% yield. © 2017, Pleiades Publishing, Ltd.
Добавил в систему:
Коноплев Игорь Алексеевич