Zobrazeno 1 - 10
of 44
pro vyhledávání: '"D. A. Kritskaya"'
Autor:
K. S. Novikova, E. F. Abdrashitov, D. A. Kritskaya, A. N. Ponomarev, E. A. Sanginov, Yu. A. Dobrovol’skii
Publikováno v:
Russian Journal of Electrochemistry. 57:1047-1054
Autor:
A. N. Ponomarev, E. A. Sanginov, D. A. Kritskaya, N. G. Bukun, Yu. A. Dobrovolsky, E. F. Abdrashitov
Publikováno v:
Nanotechnologies in Russia. 15:319-325
Experimental results on the development of two original approaches to obtaining new nanocomposite proton exchange membranes for low-temperature fuel cells are generalized. The first approach consists in in situ modification of the transport channels
Autor:
Ksenia S. Novikova, E. A. Sanginov, E. F. Abdrashitov, V. Ch. Bokun, Yu. A. Dobrovol’skii, D. A. Kritskaya, A. N. Ponomarev
Publikováno v:
Russian Journal of Electrochemistry. 55:738-744
—The thermal polymerization of styrene sorbed from the gas-phase into polymer films of polyvinylidene fluoride (PVDF) is carried out at 110°С. By this method, the “matrix‑polystyrene” composites containing up to 70 wt % polystyrene (PS), wh
Autor:
E. F. Abdrashitov, V. Ch. Bokun, E. A. Sanginov, Yu. A. Dobrovolsky, D. A. Kritskaya, A. N. Ponomarev
Publikováno v:
Petroleum Chemistry. 58:496-502
Dependences of the transport rate of liquid water and saturated water vapor across commercial membranes (Nafion, MF-4SK) and proton-exchange membranes synthesized by the authors (PVDF, PP, UHMWPE, PTFE films modified with sulfonated polystyrene) on t
Publikováno v:
Petroleum Chemistry. 58:309-316
Methanol vapor permeability and pore formation features in stretched polytetrafluoroethylene (PTFE) films used as a precursor of composite cation-exchange membranes have been studied. Porous structures of the precursor have been formed via stretching
Autor:
E. A. Sanginov, E. F. Abdrashitov, Yu. A. Dobrovol’skii, A. N. Ponomarev, V. Ch. Bokun, D. A. Kritskaya
Publikováno v:
Russian Journal of Electrochemistry. 53:589-607
Methods for the preparation of composite ion-exchange membranes from polymer (polyvinylidene fluoride (PVDF), ultrahigh molecular weight polyethylene (UHMWPE), and polypropylene (PP)) matrices were considered. Polystyrene (PS) was introduced in the m
Publikováno v:
Russian Journal of Physical Chemistry B. 11:167-172
Polytetrafluoroethylene–polystyrene composite films are prepared by polymerizing styrene in a stretched polytetrafluoroethylene (PTFE) matrix immersed into a styrene monomer solution at 90°C. The kinetics of the thermal polymerization of styrene s
Publikováno v:
Russian Journal of Physical Chemistry B. 10:820-824
The ability of polytetrafluoroethylene (Teflon) films stretched in liquid styrene, toluene, and other organic liquids at room temperature to absorb these liquids is studied. It is found that, when stretched to 200% in air and liquids, the volume of t
Autor:
E. F. Abdrashitov, Ksenia S. Novikova, Yury A. Dobrovolsky, Veslav Ch. Bokun, E. A. Sanginov, D. A. Kritskaya, A. N. Ponomarev
Publikováno v:
Solid State Ionics. 286:135-140
Nanostructured stretched polytetrafluoroethylene–sulfonated polystyrene (strPTFE–sPS) ion-exchange membranes have been synthesized by sulfonation of the nanocomposite strPTFE-implanted PS films. The implantation of the PS (17–76 wt.%) was imple
Autor:
Ksenia S. Novikova, Nadezhda N. Dremova, E. F. Abdrashitov, A. N. Ponomarev, D. A. Kritskaya, E. A. Sanginov, Veslav Ch. Bokun, Yury A. Dobrovolsky
Publikováno v:
Journal of Applied Polymer Science. 137:49563