Author： Sivtsov E. Yasnogorodskaya O. Chernikova E. Voznyakovskii A.
Publisher： MAIK Nauka/Interperiodica
ISSN： 1070-4272
Source： Russian Journal of Applied Chemistry, Vol.83, Iss.4, 2010-04, pp. : 728-731
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Abstract
A new procedure was suggested for pretreatment of polyacrylic acid and its copolymer with butyl acrylate with the aim of examining the molecular-weight distribution: chemical modification by esterification with benzyl alcohol. Conditions were chosen for turbidimetric titration of the resulting polymers. The results confirmed the efficiency of isopropanol as chain-transfer agent in copolymerization of acrylic acid with butyl acrylate. The molecular-weight characteristics of polyacrylic acid prepared by radical polymerization in water in the presence of Cu(II) ions were determined.
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