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Title: Studies on the electrochemical properties of copolymers of maleic acid, V : viscometric behaviors
Authors: Monobe, Kazuo
Issue Date: Aug-1961
Publisher: The Physico-Chemical Society of Japan
Journal title: The Review of Physical Chemistry of Japan
Volume: 31
Issue: 1
Start page: 50
End page: 60
Abstract: The viscosities of the maleic acid copolymers with styrene and vinyl acetate, which show electrochemically typical polydibasic characteristics, were studied mainly in aqueous medium and partly in acetone-water (1 : 1) mixture. The viscosity change due to the change in degree of neutralization at a given concentration reflected the polydibasic characteristics. The reduced viscosity as a function of concentration at a given degree of neutralization was studied at 25℃. Some data fitted Fuoss's equation for strong polyelectrolytes and some other did not fit. A general emipirical equation, ηsp/C=A/1-BC^π+D, was proposed for the viscometric data which did not fit Fuoss's equation. The values obtained for n in the above equation were constant at a given degree of neutralization and for a given polymer, and all were intermediate between one-half and one. The significance of n was discussed and the meanings of A and D in the above equation were also examined.
Appears in Collections:Vol.31 No.1

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