Zobrazeno 1 - 10
of 94
pro vyhledávání: '"L. V. Dubrovina"'
Publikováno v:
Фізика і хімія твердого тіла, Vol 17, Iss 2, Pp 241-246 (2017)
Cellulose acetate and polyisocyanate copolymer synthesized by mechanical mixing of cellulose acetate, polyisocyanate and fumed silicon dioxide in the presence of nickel chloride was carbonized in silicon dioxide template. Copolymer and silicon dioxid
Externí odkaz:
https://doaj.org/article/da1612b622c941b9a1c95cf687759da9
Publikováno v:
Фізика і хімія твердого тіла, Vol 17, Iss 3, Pp 407-411 (2016)
Cellulose acetate and polyisocyanate copolymer synthesized by simultaneous mixing of cellulose acetate and polyisocyanate with acetone solution of Copper chloride and fumed silicon dioxide was carbonized in a silicon dioxide template. The composite s
Externí odkaz:
https://doaj.org/article/0aa41a27e3094e8c8e44df6e6d3a3782
Autor:
V. V. Goncharuk, L. V. Dubrovina
Publikováno v:
Russian Journal of Applied Chemistry. 93:1019-1026
Rheological properties of composite hydrogels of agar with carboxymethyl cellulose sodium salt (NaCMC), intended for water conservation, were studied. The viscosity and yield stress of the hydrogels can both increase and decrease depending on the rat
Autor:
I. V. Dubrovin, O.A. Vyshnevskyi, Akademik Palladin avenue, Kyiv, Ukraine, L. V. Dubrovina, V. V. Goncharuk, Volodymyr Ogenko
Publikováno v:
Polymer journal. 42:96-103
Autor:
L. V. Dubrovina, Vladislav V. Goncharuk, I. V. Dubrovin, Oleksii Vyshnevskyi, Volodymyr Ogenko
Publikováno v:
Ukrainian Chemistry Journal. 85:52-62
The tubular ceramic membranes of clay minerals were modified with silica and pyrocarbon, which was obtained by carbonizing of polymer precursors at 750 ° С in an argon flow. The precursors to carbonation were polymers formed from the polyisocyanate
Autor:
I. V. Dubrovin, Oleksii Vyshnevskyi, Dmitry Kucheruk, Vladislav V. Goncharuk, L. V. Dubrovina, Volodymyr Ogenko
Publikováno v:
Ukrainian Chemistry Journal. 85:97-103
The tubular ceramic membranes of clay minerals were modified with pyrocarbon, which was obtained by carbonizing of polymer precursors at 750 ° С in an argon flow. The precursor to carbonization of membrane II was polyurethane, obtained from laprol
Autor:
D. D. Kucheruk, T. Yu. Dulneva, V. V. Goncharuk, I. V. Dubrovin, L. V. Dubrovina, Volodymyr Ogenko
Publikováno v:
Journal of Water Chemistry and Technology. 41:248-252
Ultrafiltration membranes were obtained by means of modification of microfiltration ceramic membranes with pyrocarbon from polyisocyanate and sodium carboxymethyl cellulose. For Ca2+ the retention factor and the specific productivity of the modified
Publikováno v:
Journal of Applied Spectroscopy. 85:594-599
The state of water in hydrogels of sodium carboxymethylcellulose and bentonite was studied by low-temperature PMR spectroscopy. Polymer macromolecules interacted actively with the bentonite. The thermodynamic parameters of layers of strongly and weak
Autor:
T. Yu. Dulneva, I. V. Dubrovin, Volodymyr Ogenko, V. V. Goncharuk, D. D. Kucheruk, L. V. Dubrovina
Publikováno v:
Journal of Water Chemistry and Technology. 40:91-94
Modification of ceramic membranes was conducted with silica, obtained from liquid glass, and pyrocarbon from carbonized polyisocyanate and sucrose at 800°C. Water from Ca2+ and direct scarlet dye was purified by a pressure-driven method at 0.7 and 1
Publikováno v:
Journal of Water Chemistry and Technology. 39:346-350
It was shown that rheological properties of hydrogels (sodium carboxymethyl cellulose, bentonite, water) and the structure of dispersed water-containing composites (hydrophobic fumed silica, graphite, water) are determined by self-assembly processes