Polyelectrolyte molecular weight and salt effects on the phase behavior and coacervation of aqueous solutions of poly (acrylic acid) sodium salt and poly (allylamine) …
Phase separation of polyelectrolyte complexes (PECs) between the polyacid (sodium salt)
and polybase (hydrochloride) of poly (acrylic acid)(PAA) and poly (allylamine)(PAH),
respectively, has been investigated in aqueous solution. Chain length of the PAA was varied
(25< P w< 700) holding P w of the PAH constant at 765. The polyacid/polybase mixing ratio
(10–90 wt%) and the ionic strength as salt concentration (0–3,000 mM) were systematically
varied. Sample turbidity was utilized as an indicator of PEC formation, complemented by …
and polybase (hydrochloride) of poly (acrylic acid)(PAA) and poly (allylamine)(PAH),
respectively, has been investigated in aqueous solution. Chain length of the PAA was varied
(25< P w< 700) holding P w of the PAH constant at 765. The polyacid/polybase mixing ratio
(10–90 wt%) and the ionic strength as salt concentration (0–3,000 mM) were systematically
varied. Sample turbidity was utilized as an indicator of PEC formation, complemented by …
[引用][C] Polyelectrolyte Molecular Weight and Salt Effects on the Phase Behavior and Coacervation of Aqueous Solutions of Poly (acrylic acid) Sodium Salt and Poly …
C Rungsima, D Klaus, T Matthew - 2013
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