Zobrazeno 1 - 10
of 234
pro vyhledávání: '"T.I. Borisova"'
Autor:
S.S. Skorokhodov, A. Yu. Osadchev, V.P. Malinovskaya, N. M. Geller, S. V. Fedorova, T.I. Borisova
Publikováno v:
Polymer Science Series A. 48:164-170
Dielectric relaxation in solutions of polyesters containing flexible siloxane and rigid phenylazomethine fragments of various structures is studied. For these polymers in solution, five relaxation processes that reflect the mobility of certain portio
Publikováno v:
Polymer Science Series A. 48:26-31
Relaxation of dipole polarization is studied and dipole moments are measured for poly(azomethine esters) with rigid azomethinearomatic fragments in the ortho position and methylene spacers of various lengths in the backbone chain. These polyesters in
Publikováno v:
Polymer. 45:1555-1562
Molecular mobility of functionalized liquid crystalline (LC) copolymer (P1) containing mesogenic cyanobiphenyl groups and acrylic acid fragments (28%) as well as LC ionomers P2 (Cu 2.5() and P3 (Cu 7() with copper ions were studied by dielectric spec
Publikováno v:
Macromolecules. 36:5784-5791
Molecular dynamics of six side-chain liquid-crystalline polymethacrylates with phenylbenzoate mesogenic groups having tail groups of different lengths was investigated by dielectric spectroscopy (D...
Autor:
Nikolai N. Smirnov, N. V. Afanas’eva, V. A. Luk'yashina, V. V. Kudryavtsev, N. A. Solovskaya, G. I. Nosova, T.I. Borisova, G. K. Lebedeva, V. N. Ivanova
Publikováno v:
Physics of the Solid State. 45:983-989
The dielectric relaxation and molecular motion in polymers and copolymers of methacrylates and methacrylamides with π-conjugated anisodiametric chromophoric groups in the side chains are investigated in the temperature range from −170 to 120–150
Publikováno v:
Polymer. 43:2229-2238
The molecular mobility of a LC side-chain polymethacrylate (PM6) was carried out by dielectric spectroscopy and by thermally stimulated discharge current (TSDC) methods. Six relaxation processes γ2, γ1, β, β1, α, and δ at successively increasin
Autor:
Natalia Nikonorova, G. Georgoussis, V. P. Shibaev, T.I. Borisova, Polycarpos Pissis, Evgueni Barmatov
Publikováno v:
Macromolecular Chemistry and Physics. 202:1313-1318
Local forms of molecular mobility of LC side-chain halogen-containing polymers (P-Hal) where Hal is F, CI, Br, or J, with caproyloxyphenyl benzoate mesogenic groups were studied by dielctric relaxtion spectroscopy (DRS) and by thermally stimulated de
Autor:
Evgenii B. Barmatov, Sergei Zhukov, T.I. Borisova, Bernd Stühn, Polycarpos Pissis, Valery Shibaev, M. V. Barmatova, Friedrich Kremer
Publikováno v:
Macromolecules. 34:3615-3625
The anhydrization reaction has been investigated in functionalized side-chain random liquid crystalline (LC) copolymers containing cyanobiphenyl mesogenic and acrylic acid (38 mol %) groups. Heat treatment of the LC copolymer at 130 °C for 5-200 h i
Publikováno v:
Molecular Crystals and Liquid Crystals Science and Technology. Section A. Molecular Crystals and Liquid Crystals. 352:159-168
Dielectric behavior of LC side-chain polymers with oligomethylene spacers and mesogenic side groups with different structures has been investigated. Near Tg transition, two cooperative relaxation processes, α and δ, were observed. Relaxation times
Publikováno v:
Macromolecular Chemistry and Physics. 201:226-232
Cooperative modes of molecular mobility in comb-like liquid crystalline oligoacrylates and oligomethacrylates containing mesogenic 4-cyanoazobenzene side groups and spacers of 3, 5, 7, 9, 10, and 11 CH 2 groups were studied by means of dielectric spe