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Competing reactions in anionic gel-poly(propylene imine) dendrimer-surfactant ternary systemsстатья
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: 2 апреля 2015 г.
- Авторы: Rogacheva V.B., Novoskoltseva O.A., Zezin A.B., Joosten J., Brackman J.
- Журнал: Polymer Science, Series A
- Том: 49
- Номер: 9
- Год издания: 2007
- Издательство: Pleiades Publishing, Ltd
- Местоположение издательства: Road Town, United Kingdom
- Первая страница: 1000
- Последняя страница: 1007
- DOI: 10.1134/S0965545X07090064
- Аннотация: Competitive interactions in ternary systems including a lightly crosslinked polyanionic hydrogel, a protonated Astramol™ poly(propylene imine) dendrimer (of first to fifth generation), and an ionic surfactant were studied. It was found that the direction of the substitution reactions in systems containing cationic surfactants depends on the length of the aliphatic radical in the surfactant molecule as well as on the dendrimer generation number. Depending on these parameters, the interpolyelectrolyte complex formed by the network polyanion and the cationic dendrimer is either capable or incapable of sorbing surfactant cations from aqueous solutions, thereby transforming into the network polyanion-cationic surfactant complex with the release of dendrimers to the surrounding solution. It was shown that the substitution reaction in systems containing anionic surfactants leads to the formation of a polyanionic gel reinforced by particles of the dendrimer-anionic surfactant complex.
- Добавил в систему: Новоскольцева Ольга Александровна