Zobrazeno 1 - 10
of 53
pro vyhledávání: '"L.M. Sergeyeva"'
Autor:
Anna V. El'skaya, Sergey A. Piletsky, L.A. Goncharova, Elena V. Piletska, T.A. Sergeyeva, O.O. Brovko, L. V. Karabanova, L.M. Sergeyeva
Publikováno v:
Analytica Chimica Acta. 582:311-319
Porous free-standing molecularly imprinted polymer membranes were synthesised by the method of in situ polymerisation using the principle of synthesis of interpenetrating polymer networks and tested in solid-phase extraction of triazine herbicides fr
Publikováno v:
Polymer Science U.S.S.R.. 20:401-405
Permeability studies for nitrogen of filled polyurethanes (PU) showed them to have different permeability constants, but also that some general principles applied to these constants as a function of the filler content, even when the filler type varie
Publikováno v:
Polymer Science U.S.S.R.. 28:370-378
Phase separation that takes place during the formation of semi-interpenetrating networks based on a styrene-divinylbenzene copolymer and poly(butyl methacrylate) has been studied by the light scattering method. Phase separation occurs because at a ce
Publikováno v:
Polymer Science U.S.S.R.. 27:1896-1900
Interpenetrating polymer networks (IPN) on the basis of epoxide resin and polyurethane ionomer were obtained. Temperature transitions in the IPN were studied by the dilatometric method in a broad composition range. It was shown that the glass tempera
Publikováno v:
Polymer Science U.S.S.R.. 20:725-733
Mutually penetrating polymer networks were prepared from polyurethane and polyurethane acrylate. Small angle X-ray scattering was used to examine microheterogeneities in mutually penetrating polymer networks and their variation with composition. From
Publikováno v:
Polymer Science U.S.S.R.. 19:1237-1247
The method of sorption of organic solvent vapours was used to investigate a system of filled interpenetrating networks containing a polyurethane and styrenedivinylbenzene copolymer. Thermodynamic parameters calculated on the basis of the experimental
Publikováno v:
Polymer Science U.S.S.R.. 16:2658-2666
The interpenetrating networks (IPN) used consisted of polyurethane (network 1) and styrene-divinylbenzene copolymer (network 2) and differed as to the network ratios (w2/w1) and as to the amount of filler (Aerosil) in network 1. The densities and eff
Publikováno v:
Polymer Science U.S.S.R.. 18:1175-1186
The methods of inverse gas chromatography and the sorption of the vapours of low molecular substances have been used to investigate a system of interpenetrating polymer networks (IPN), namely, a polyurethane with a styrene-divinyl benzene copolymer.
Publikováno v:
Polymer Science U.S.S.R.. 22:1492-1500
Interpenetrating polymeric networks based on polyurethane and styrene-divinylbenzene copolymer have been prepared. The heterogeneous structure of the networks has been investigated by the methods of small- and wide-angle X-ray scattering. The extent
Disturbed total internal reflection study of the structure of polymethylmethacrylate boundary layers
Publikováno v:
Polymer Science U.S.S.R.. 20:2247-2253
The disturbed total internal reflection (DTIR) method has been used to study the boundary layer structure of PMMA formed on a solid support. The 1·2–2·0 μm thick layer nearest to the boundary layer between the phases has been established to cont