Der Pharma Chemica
Journal for Medicinal Chemistry, Pharmaceutical Chemistry, Pharmaceutical Sciences and Computational Chemistry
ISSN: 0975-413X
Abstract
Tensiometric behavior of [P4VPC8-20-SDS] poly(N-octyl-4-vinylpyridinium bromide)(20%)/sodium dodecylsulfate system in aqueous solution - Influence of NaCl salt
Author(s): Ali Mansri*, Samia Belmiloud and Nassima RamdaniIn this work, we consider the tensiometric behavior of the system poly(N-octyl-4-vinylpyridinium bromide)(20%)/sodium dodecylsulfate [ P4VPC8-20-SDS ] in absence and the presence of NaCl salt. Thus, t he copolymer poly(N-octyl-4-vinylpyridinium bromide)(2 0%) [ P4VPC8-20 ] is used under quaternization rate of 20%. The results show that the copolymer concentration p lays a main role in the tensiometric behavior of th is system. Also, the salt addition decreases the surface tensi on of the solution. Finally, the surface tension of the solution decreases as a function of the SDS concentrations f or all the copolymer concentrations. All the result s confirm the main role of the electrostatic interactions and the importance of the copolymer character in term of t he hydrophobic/hydrophylic balance.
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