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Theory of the effect of counterion size upon titration behavior of polycarboxylic acids (1957)

Kagawa, Ikumi ; Gregor, Harry P.

Hoboken, NJ : Wiley-Blackwell

Journal of Polymer Science 23 (1957), S. 477-484

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ISSN: 0022-3832

Keywords: Chemistry ; Polymer and Materials Science

Source: Wiley InterScience Backfile Collection 1832-2000

Topics: Chemistry and Pharmacology , Physics

Notes: The effect of the ionic radius of counterions has been introduced into the dissociation theory of polyelectrolytes, using the familiar rod-like model. Increments in the average dissociation constant pKa and slope n for polyacrylic acid with increasing size of the gegenion have been calculated and compared with data using potassium and some tetraalkylammonium hydroxides. Good agreement is encountered. The effects of changes in concentration of the polyacid and of the presence of neutral salt are also considered.

Additional Material: 1 Ill.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1002/pol.1957.1202310340

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