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The potentiometric behaviour of hydrolyzed copolymers of maleic anhydride and propene was studied as a function of added salt (LiCl, NaCl, KCl, CaCl 2 ). The first and second apparent ionization values pK a1 and pK a2 obtained by the classical interpretation were found to depend on the ionic strength and the counterion, respectively. The influence of the two configurations...
The viscometric behaviour of hydrolyzed propene maleic anhydride copolymers of different molecular weights has been investigated in aqueous solution as a function of polymer concentration, degree of neutralization, concentration of added salt (NaCl) and temperature, respectively. In salt free solutions the reduced viscosity increases with decreasing polymer concentration. Addition of salt to the solutions...
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