M. F. Lebedeva
Russian Academy of Sciences
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Featured researches published by M. F. Lebedeva.
Russian Journal of Applied Chemistry | 2007
G. M. Mikhailov; M. F. Lebedeva
Data on preparation of chitin threads for the fabrication of absorbable suture materials, dressings, and biodegradable substrates for the growth of human skin cells (keratinocytes and fibroblasts) are analyzed.
Russian Journal of Applied Chemistry | 2001
A. M. Bochek; N. M. Zabivalova; V. K. Lavrent'ev; M. F. Lebedeva; T. E. Sukhanova; G. A. Petropavlovskii
Gelation conditions in solutions of methyl cellulose in water and dimethylacetamide were studied. The gelation mechanisms were studied by X-ray diffraction and photocolorimetry, and their differences in the two systems were revealed. The physicomechanical properties of methyl cellulose films prepared from solutions with preliminary gelation were determined.
Russian Journal of Applied Chemistry | 2001
G. M. Mikhailov; M. F. Lebedeva; L. A. Nud'ga; V. A. Petrova
Composite fibers were produced by mixing of chitin and cellulose solutions with subsequent molding from these solutions under standard conditions. The effect of composition of systems on the structural modification and the deformation-strength characteristics of the fibers was studied.
Russian Journal of Applied Chemistry | 2012
A. M. Bochek; I. L. Shevchuk; I. I. Gavrilova; N. A. Nesterova; E. F. Panarin; V. E. Yudin; M. F. Lebedeva; E. N. Popova; L. M. Kalyuzhnaya; B. Z. Volchek; E. N. Vlasova
Composite films were obtained from aqueous solutions of blends of carboxymethyl cellulose ionized to various degrees and poly-N-vinylformamide. The composition ranges in which the polymers are compatible were determined by solvent vapor sorption and by dynamic mechanical analysis. The heat resistance of the films and the interaction of the polymers in the solid state were examined by DSC, TGA, and Fourier IR spectroscopy.
European Polymer Journal | 1976
G.P. Belonovskaya; J.D. Chernova; L.A. Korotneva; L.S. Andrianova; B.A. Dolgoplosk; S.K. Zakharov; Yu.N. Sazanov; K.K. Kalninsh; L.M. Kaliuzhnaya; M. F. Lebedeva
Abstract Compatible interpenetrating polymer networks systems (IPS) have been obtained by two-stage polymerization of a mixture of diisocyanates (M 1 ) with various different polar monomers (M 2 ) initiated by catalytic systems based on tertiary amines. In the first stage, a polyisocyanate network (P 1 ) is formed and then M 2 is polymerized on a regenerated active centre with the formation of a linear polymer (L 2 ) specially arranged in P 1 . The essential features of the formation of IPS of this type are considered. Some physico-mechanical and thermal characteristics are reported.
Russian Journal of Applied Chemistry | 2002
Yu. N. Sazanov; I. V. Podeshvo; G. M. Mikhailov; G. N. Fedorova; M. Ya. Goikhman; M. F. Lebedeva; V. V. Kudryavtsev
Film and fibrous materials derived from vanillic acid, one of promising products from processing of industrial lignin, were prepared and characterized. Thermochemical reactions of degradation and carbonization of films and fibers of vanillic acid polyesters and polyamides were considered, and the main relationships of thermal transformations of the materials were revealed.
Russian Journal of Applied Chemistry | 2001
G. M. Mikhailov; M. F. Lebedeva; L. A. Nud'ga; V. A. Petrova; Yu. G. Baklagina
Composite fibers containing chitin and cellulose ethers (methyl, hydroxyethyl, and hydroxypropyl cellulose) and also chitin and polyvinylpyrrolidone were prepared. The effect of the ratio of system components and also the molecular weight of polyvinylpyrrolidone on the deformation-strength characteristics of the composite fibers and their supramolecular organization was studied.
Russian Journal of Applied Chemistry | 2003
L. A. Nud'ga; V. A. Petrova; M. F. Lebedeva
Polymer Science Series B | 1998
E. V. Beloborodova; Yu. N. Sazanov; A. V. Gribanov; G. M. Mikhailov; M. F. Lebedeva; T. A. Maricheva; N. V. Bobrova
Russian Journal of Applied Chemistry | 2005
G. M. Mikhailov; M. F. Lebedeva