Phase separation in a poly(acrylic acid)-polycation system in acidic 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:
Litmanovich E.A. ,
Zakharchenko S.O. ,
Stoychev G.V. ,
Zezin A.B.
Журнал:
Polymer Science, Series A
Том:
51
Номер:
6
Год издания:
2009
Издательство:
Pleiades Publishing, Ltd
Местоположение издательства:
Road Town, United Kingdom
Первая страница:
616
Последняя страница:
621
DOI:
10.1134/S0965545X09060054
Аннотация:
Phase separation in aqueous solutions of mixtures of poly(acrylic acid) with polycations [poly(diallyldimethylammonium chloride), poly(1,2-dimethyl-5- vinylpyridinium methylsulfate)] in the presence of decimolar hydrochloric acid has been studied by static and dynamic light scattering. The systems are characterized by the upper critical solution temperature. The temperature-dependent association of macromolecules is observed in the single-phase region. A decrease in temperature leads to phase separation; the composition of the diluted phase is determined by the temperature and composition of the initial mixture; and the composition of the concentrated phase remains almost invariable. The occurrence of association in the mixtures is probably the formation of interpolymer complex due to ion-dipole interactions between the carboxyl groups of poly(acrylic acid) and the functional groups of the polycation. © 2009 Pleiades Publishing, Ltd.
Добавил в систему:
Зезин Александр Борисович