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1 Wiadomości Chemiczne

1 2024

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Zjawiska międzyfazowe : 80 lat badań. Część 2, Makroskopowe i mikroskopowe właściwości granic faz

Hołysz Lucyna, Zdziennicka Anna, Wiącek Agnieszka Ewa, Jurak Małgorzata, Chibowski Emil, Jańczuk Bronisław

Wiadomości Chemiczne

2024

[Z] 78, 9-10

1223--1262

The paper describes the course of research on surface and interfacial phenomena as well as the obtained results, which were initiated by Professor Andrzej Waksmundzki in 1945 in the Department of Physical Chemistry and Electrochemistry organized by him at Maria Curie-Skłodowska University. It has been developed over the years and is still being developed today. The Research Group of Interfacial Phenomena and Flotation was established in the Department, which was at that time headed by doc. Jerzy Szczypa. Then, in 1997 the Department of Interfacial Phenomena was established and currently, because of the reorganization of UMCS it functions as the Department of Interfacial Phenomena at the Institute of Chemical Sciences. Initially, the Group Research was focused on the problems of mineral enrichment using the flotation and foam separation methods. This also involved the research on the wettability of various solids, their surface free energy and methods of its determination, both theoretically and experimentally by measuring contact angles. The research on the electric a double layer and electrokinetic phenomena was also carried out. There were applied also gas chromatography and adsorption methods, as well as modern equipment for examining surface properties of solids and liquids. Over the years, the scope of research on these phenomena has expanded to include superhydrophobic surfaces, the use of plasma for solid surface modification, investigations on layers of biologically active substances on various substrates, and biopolymer films in terms of their biocompatibility and use in pharmacy and medicine. The stability of dispersed systems and emulsions, as well as the influence of external fields (electric and magnetic) on the stability of dispersed systems in terms of the scale deposition were studied. In parallel, extensive research was carried out on the adsorption, aggregation and wetting properties of different surfactants, sugar surfactants, biosurfactants, their multi-component mixtures and those with organic additives such as short-chain alcohols, which being developed. The details of the research and its published results can be found in the extensive bibliography attached to the paper.