Nonstoichiometric polyelectrolyte complexes of chitosan soluble in neutral solutionsстатья
Информация о цитировании статьи получена из
Web of Science ,
Scopus
Статья опубликована в журнале из списка Web of Science и/или Scopus
Дата последнего поиска статьи во внешних источниках: 18 июля 2013 г.
Авторы:
Gorshkova M.Yu a ,
Volkova I.F.a ,
Izumrudov V.A.b
Журнал:
Polymer Science, Series A
Том:
52
Номер:
4
Год издания:
2010
Издательство:
Pleiades Publishing, Ltd
Местоположение издательства:
Road Town, United Kingdom
Первая страница:
368
Последняя страница:
373
DOI:
10.1134/S0965545X10040048
Аннотация:
The technique of preparing nonstoichiometric polyelectrolyte complexes of chitosan soluble in neutral solutions is developed. Chitosan complexes soluble in neutral solutions and meeting the behavioral criteria of water-soluble nonstoichiometric polyelectrolyte complexes are prepared via mixing of strongly acidic solutions of chitosan and polystyrenesulfonate anions taken in a nonequimolar charge-charge ratio and subsequent neutralization of the products by a solution of alkali. Thus, the region of existence of soluble complexes narrows with a decrease in the length of the host polyanion up to its full degeneration in the case of oligomeric anions. The critical concentration of a salt that brings about phase separation decreases with an increase in the relative content of the guest chitosan in a mixture and depends on the ratio of chain lengths of polymer components. © Pleiades Publishing, Ltd., 2010.
Добавил в систему:
Изумрудов Владимир Алексеевич