Research output: Contribution to journal › Article › peer-review
Dielectric relaxation of dendronized polystyrene in solutions. / Kovshik, Svetlana; Mikhailova, Mariya; Polushina, Galina; Rjumtsev, Evgeni; Kovshik, Alexander; Lezov, Andrey.
In: Journal of Non-Crystalline Solids, Vol. 351, No. 33-36 SPEC. ISS., 15.09.2005, p. 2723-2727.Research output: Contribution to journal › Article › peer-review
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TY - JOUR
T1 - Dielectric relaxation of dendronized polystyrene in solutions
AU - Kovshik, Svetlana
AU - Mikhailova, Mariya
AU - Polushina, Galina
AU - Rjumtsev, Evgeni
AU - Kovshik, Alexander
AU - Lezov, Andrey
PY - 2005/9/15
Y1 - 2005/9/15
N2 - The molecular properties of polystyrene modified by Frechet-type dendrons of the first-fourth generation containing polar CONH groups, were studied by means of the dielectric spectroscopy method in dilute solutions. The dispersion of the dielectric permittivity of dendronized polystyrene was found in benzene, chloroform and THF solutions in the electric field frequency range 0.2 kHz-10 MHz. It was established that the increase of dendron generation number leads to the growth of the relaxation times of dielectric polarization. It was found that the dipole moment of the monomer unit of the polystyrene molecules modified by first generation dendrons coincides with the dipole moment of CONH group.
AB - The molecular properties of polystyrene modified by Frechet-type dendrons of the first-fourth generation containing polar CONH groups, were studied by means of the dielectric spectroscopy method in dilute solutions. The dispersion of the dielectric permittivity of dendronized polystyrene was found in benzene, chloroform and THF solutions in the electric field frequency range 0.2 kHz-10 MHz. It was established that the increase of dendron generation number leads to the growth of the relaxation times of dielectric polarization. It was found that the dipole moment of the monomer unit of the polystyrene molecules modified by first generation dendrons coincides with the dipole moment of CONH group.
UR - http://www.scopus.com/inward/record.url?scp=24344442773&partnerID=8YFLogxK
U2 - 10.1016/j.jnoncrysol.2005.05.037
DO - 10.1016/j.jnoncrysol.2005.05.037
M3 - Article
AN - SCOPUS:24344442773
VL - 351
SP - 2723
EP - 2727
JO - Journal of Non-Crystalline Solids
JF - Journal of Non-Crystalline Solids
SN - 0022-3093
IS - 33-36 SPEC. ISS.
ER -
ID: 33912021