Zobrazeno 1 - 9
of 9
pro vyhledávání: '"Alexander L. Kwiatkowski"'
Autor:
Anna L. Makarova, Alexander L. Kwiatkowski, Alexander I. Kuklin, Yuri M. Chesnokov, Olga E. Philippova, Andrey V. Shibaev
Publikováno v:
Polymers, Vol 16, Iss 10, p 1430 (2024)
Dual networks formed by entangled polymer chains and wormlike surfactant micelles have attracted increasing interest in their application as thickeners in various fields since they combine the advantages of both polymer- and surfactant-based fluids.
Externí odkaz:
https://doaj.org/article/3df0b22b04774986981132d250eb9a0a
Autor:
Alexander L. Kwiatkowski, Petr V. Shvets, Ivan S. Timchenko, Darya E. Kessel, Elizaveta D. Shipkova, Konstantin I. Maslakov, Ivan A. Kuznetsov, Dmitry A. Muravlev, Olga E. Philippova, Andrey V. Shibaev
Publikováno v:
Nanomaterials, Vol 14, Iss 6, p 541 (2024)
We report a new facile method for the synthesis of prolate cobalt ferrite nanoparticles without additional stabilizers, which involves a co-precipitation reaction of Fe3+ and Co2+ ions in a static magnetic field. The magnetic field is demonstrated to
Externí odkaz:
https://doaj.org/article/302a21930bed4bd5940835e885ffdc29
Autor:
Alexander L. Kwiatkowski, Vyacheslav S. Molchanov, Yuri M. Chesnokov, Oleksandr I. Ivankov, Olga E. Philippova
Publikováno v:
Polymers, Vol 15, Iss 23, p 4615 (2023)
We report on the effect of a hydrocarbon (n-dodecane) on the rheological properties and shapes of the hybrid wormlike micelles (WLMs) of a surfactant potassium oleate with an embedded polymer poly(4-vinylpyridine). With and without hydrocarbon soluti
Externí odkaz:
https://doaj.org/article/8a34ac658d1a435680c06da3bbc45c33
Autor:
Alexander L. Kwiatkowski, Vyacheslav S. Molchanov, Alexander I. Kuklin, Yuri M. Chesnokov, Olga E. Philippova
Publikováno v:
Polymers, Vol 14, Iss 23, p 5086 (2022)
Salt-induced structural transformation of charged hybrid surfactant/polymer micelles formed by potassium oleate and poly(4-vinylpyridine) was investigated by cryo-TEM, SANS with contrast variation, DLS, and 2D NOESY. Cryo-TEM data show, that at small
Externí odkaz:
https://doaj.org/article/caa91af90e4c470bb6f3883507fc0330
Publikováno v:
Polymer Science, Series A. 61:215-225
Modern concepts regarding wormlike micelles of surfactants as polymer-like objects that undergo reversible scission and recombination in solution are presented in the current review. The viscoelastic properties of semidilute solutions of surfactant w
Autor:
Olga E. Philippova, Anton S. Orekhov, Elena E. Dormidontova, Alexander L. Kwiatkowski, Alexander L. Vasiliev, Vyacheslav S. Molchanov, Hari Sharma
Publikováno v:
Macromolecules. 50:7299-7308
Active use of wormlike micelle (WLM) solutions in a broad range of applications demands control of their viscoelastic properties under different external conditions that can be achieved by using hybrid materials, such as polymer–surfactant complexe
Publikováno v:
Journal of Molecular Liquids. 311:113301
Linear rheology and small-angle neutron scattering were used to perform a comparative study of the influence of inorganic salt KCl on two types of branched wormlike micelles (WLMs) of anionic surfactant potassium oleate: with and without embedded pol
Autor:
Hari Sharma, Alexander L. Kwiatkowski, Vyacheslav S. Molchanov, Alexander I. Kuklin, Olga E. Philippova, Elena E. Dormidontova
Publikováno v:
Soft matter. 14(23)
Incorporation of polymer chains into wormlike surfactant micelles, which find a large range of applications, offers the opportunity to modify their structure and properties. In this paper, using spectroscopic, scattering and rheological techniques an
Autor:
Anton S. Orekhov, Alexander L. Vasiliev, Olga E. Philippova, Vyacheslav S. Molchanov, Alexander L. Kwiatkowski
Publikováno v:
The journal of physical chemistry. B. 120(49)
Rheological properties of aqueous solutions of long-tailed cationic surfactant erucyl bis-(hydroxyethyl)methylammonium chloride (EHAC) were examined as a function of concentration Cs of different inorganic salts (KCl, CaCl2, and LaCl3) at a fixed sur