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    Alkyl chain and head-group effect of mono- and diisopropylolalkylamine-polymethacrylic acid complexes in aqueous solution

    Year: 2017

    Journal: J. Mol. Liq., Volume 244, OCT, page 533–539

    Authors: Asadov, Ziyafaddin H.; Huseynova, Khuraman A.; Rahimov, Ravan A.; Ahmadova, Gulnara A.; Zubkov, Fedor I.

    Organizations: Institute of Petrochemical Processes of National Academy of Sciences of Azerbaijan; Ministry of Education and Science of Russian Federation [02.a03.21.0008]

    Keywords: Nonionic surfactant; Polymer-surfactant complex; Surface tension; Critical aggregation concentration; Petroleum-collecting

    Effect of the alkyl chain and head-group of surfactant (monoisopropylolalkyl amines and diisopropylolalkyl amines) on its interaction with polymethacrylic acid in aqueous solution has been studied by surface tension, electrical conductivity and viscometric measurements. From the surface tension studies, the critical aggregation concentration and critical micelle concentration were determined. Depending on the nature of head-group and polymer concentration, the polymethacrylic acid-surfactant interaction and the character of variation of the colloidal-chemical parameters of the complexes were studied. Petroleum-collecting capacity of the obtained complexes has been estimated in the waters of various mineralization degrees. (C) 2017 Elsevier B.V. All rights reserved.
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