pH effects in the formation of interpolymer complexes between poly(N-vinylpyrrolidone) and poly(acrylic acid) in aqueous solutions.
The critical pH values for hydrogen-bonded interpolymer complexes of poly(N-vinylpyrrolidone) and poly(acrylic acid) in aqueous solutions were determined. The effect of polymer concentrations, molecular weights and addition of inorganic salts (NaCl and KCl) on the complexation was studied.
Nurkeeva
Z S
ZS
Kazakh National University, Department of Chemical Physics & Macromolecular Chemistry, Karasai Batyra 95, 480012 Almaty, Kazakhstan.
Mun
G A
GA
Khutoryanskiy
V V
VV
Bitekenova
A B
AB
Dubolazov
A V
AV
Esirkegenova
S Zh
SZh
D000180:Acrylic Resins / Q000737:chemistry*; D006863:Hydrogen-Ion Concentration; D046911:Macromolecular Substances; D008422:Materials Testing; D008968:Molecular Conformation; D008970:Molecular Weight; D009391:Nephelometry and Turbidimetry; D011108:Polymers / Q000138:chemical synthesis / Q000737:chemistry; D011205:Povidone / Q000737:chemistry*
D000180:Acrylic Resins; D046911:Macromolecular Substances; D011108:Polymers; C006903:carbopol 940; D011205:Povidone