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О влиянии природы полиэлектролитов на размерные характеристики наночастиц полиэлектролитных комплексов

О влиянии природы полиэлектролитов на размерные характеристики наночастиц полиэлектролитных комплексов

Abstract

A range of water-soluble cationic polyelectrolytes N,N-diallyl-N,N-dimethylammonium chloride and copolymers of N,N-diallyl-N,N-dimethylammonium chloride with N-vinylpyrrolidone, acrylamide, vinyl acetate and sulfur dioxide has been prepared by radical polymerization. The structure of the obtained polyelectrolytes has been identified by 13C NMR. Nanoand microparticles of polyelectrolyte complexes based on these polyelectrolytes and micelle forming ionogenic surfactant, namely sodium dodecyl sulfate are prepared. It has been shown by the laser light scattering method that by certain choice of components and their molar ratio the particle sizes of the obtained complexes are within the range characteristic of the nanosystems. The optimal conditions in terms of size and aggregate stability for obtaining such systems are identified. The influence of the introduction of non-ionic groups of vinyl monomers in the macromolecules of poly-N,N-diallyl-N,N-dimethylammonium chloride on the lyophilizing ability of polyelectrolytes and on the particles sizes of polyelectrolyte complexes respectively has been shown.

Получены наночастицыполиэлектролитных комплексов на основе сополимеров N,N-диаллил-N,N-диметиламмоний хлорида и мицеллообразующего ионогенного поверхностно-активного вещества – додецилсульфата натрия.Методом лазерного рассеяния света показано, что при определенном выборе компонентов и их мольного соотношения размеры частиц полученных комплексов находятся в размерном диапазоне, характерном для наносистем.Определены оптимальные с точки зрения размеров и агрегативной устойчивости условия получения таких систем. Показано влияние введенныхнеионогенных групп виниловых мономеров в макромолекулы поли-N,N-диаллил-N,N-диметиламмоний хлорида на лиофилизирующую способность полиэлектролитов и, соответственно, на размеры частиц полиэлектролитных комплексов.

Keywords

ПОЛИЭЛЕКТРОЛИТ, ПОЛИЭЛЕКТРОЛИТНЫЕ ОБОЛОЧКИ, САМООРГАНИЗАЦИЯ, ПОЛИМЕР-КОЛЛОИДНЫЕ КОМПЛЕКСЫ, НАНОЧАСТИЦЫ

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
Average
Average
gold