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|Type:||Artigo de evento|
|Title:||Complex Salts Formed By Anionic Copolymers With Hexadecyltrimethylammonium: Phase Equilibrium And Structural Characterization Using Saxs|
|Abstract:||Extending earlier studies conducted by this research group about the hexadecyltrimethylammonium (CTA+) and other poly-anions in water, this study aims at analyzing the phase equilibrium and characterizing structures of mesophases formed by mixtures of oppositely charged surfactants and polymers. Its specific objective is to verify the effect of the charge density along the poly-electrolyte. Poly(4-styrenesulfonic acid-co-maleic acid), P(SS-AM), was used because this copolymer has three acid groups with different pKa values, enabling to obtain negative charges in all groups or only in a few. The self-assembly of the complex salt (anionic copolymer + cationic surfactant) was investigated in binary (+ water) and ternary systems (+ water + 1-decanol), determining their phase diagrams and analyzing the structures of mesophases formed by SAXS. © 2009 American Institute of Physics.|
|Appears in Collections:||Unicamp - Artigos e Outros Documentos|
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