Zobrazeno 1 - 10
of 21
pro vyhledávání: '"Dmitriy I. Shiman"'
Publikováno v:
Журнал Белорусского государственного университета: Химия, Iss 1, Pp 51-62 (2024)
Разработан эффективный метод синтеза полиизобутилена с концевыми гидроксильными группами. Метод заключается в совмещении стадий конт
Externí odkaz:
https://doaj.org/article/0bba45fe74be444f82f553fad975f1d5
Autor:
Pavel A. Nikishau, Evgenii A. Ksendzov, Dmitriy I. Shiman, Ludmila V. Gaponik, Sergei V. Kostjuk
Publikováno v:
Журнал Белорусского государственного университета: Химия, Iss 2, Pp 40-50 (2019)
Method of reactive polyisobutylene modification by various alkoxybenzenes (anisole and 4-phenoxybutanol) was proposed to form functionalized polyisobutylenes. Polymerization of D,L-lactide was explored on the 4-phenoxybutanol/1,5,7-triazabicyclo[4.4.
Externí odkaz:
https://doaj.org/article/07a6c2f0ccd045809b5c889319f4cce9
Publikováno v:
Polymer Chemistry. 13:6010-6021
A cost-efficient approach for the preparation of well-defined low molecular weight difunctional polyisobutulenes possessing an exo-olefin or hydroxyl group was developed in this study.
Publikováno v:
Chinese Journal of Polymer Science. 37:891-897
The cationic polymerization of C4 mixed feed and isobutylene co-initiated by AlCl3×OiPt2, iBuAlCl2×nOiPr2, and [emim]Cl-FeCl3×nOiPr2 ([emim]Cl: 1-ethyl-3-methylimidazolium chloride) has been investigated. AlCl3×OiPr2 co-initiated cationic polymer
Autor:
Pavel A. Nikishau, Irina V. Vasilenko, Vladimir Lesnyak, Vladimir Sayevich, Dmitriy I. Shiman, Nikolai Gaponik, Christian Meerbach, Sergei V. Kostjuk
Publikováno v:
ACS Applied Nano Materials. 2:956-963
We introduce new oxygen- and moisture-proof polymer matrixes based on polyisobutylene (PIB) and its block copolymer with styrene [poly(styrene-block-isobutylene-block-styrene), PSt-b-PIB-b-PSt] for...
Publikováno v:
Polymer Chemistry. 10:5998-6002
Alkoxy aluminum chlorides are efficient catalysts for the preparation of well-defined exo-olefin terminated PIBs of low (Mn ∼ 1000 g mol−1) to medium (Mn up to 50 000 g mol−1) molecular weight under mild experimental conditions.
Autor:
Dmitriy I. Shiman, Ekaterina A. Bolotina, Sergei V. Kostjuk, Anatol Prudnikau, Evgenii Ksendzov, Pavel A. Nikishau, Jonathon R. Harwell, Ifor D. W. Samuel, Vladimir Lesnyak
Publikováno v:
Nanoscale advances. 3(5)
Funding: This work was supported by the EU Horizon 2020 Project MiLEDi (779373) and by the Belarusian Republican Foundation for Fundamental Research (grant X21MC-007). D. I. Shiman, E. Ksendzov, E. A. Bolotina, and S. V. Kostjuk acknowledge the suppo
Publikováno v:
Polymer Chemistry. 8:1417-1425
The cationic polymerization of isobutylene with H2O/iBu2AlCl and H2O/iBuAlCl2·nOR2 (n = 0–1; R2O = Bu2O, Hex2O, iPr2O) initiating systems in toluene as a solvent at −20 °C has been investigated. The H2O/iBu2AlCl initiating system induced slow c
1,3-Bis(1-methyl-1H-tetrazol-5-yl)propane and its coordination polymers with Cu2Cl4 and Cu3Cl6 units
Autor:
Sergei V. Voitekhovich, Berthold Kersting, Yuri V. Grigoriev, Alexander S. Lyakhov, Jennifer Klose, Ludmila S. Ivashkevich, Dmitriy I. Shiman, Oleg A. Ivashkevich
Publikováno v:
Polyhedron. 190:114793
1,3-Bis(1-methyl-1H-tetrazol-5-yl)propane (bmtp) was prepared by a procedure including regioselective tert-butylation of 1,3-bis(1H-tetrazol-5-yl)propane and exhaustive methylation of the obtained 1,3-bis(2-tert-butyl-1H-tetrazol-5-yl)propane, follow
Publikováno v:
Polymer. 99:633-641
The cationic polymerization of isobutylene using pre-activated by the wet argon or salts hydrates iBuAlCl2 as catalyst in the presence of diisopropyl ether in n-hexane at 10 °C as a starting temperature and high monomer concentration ([IB] = 5.8 M)