Zobrazeno 1 - 10
of 35
pro vyhledávání: '"Ye.B. Milovskaya"'
Publikováno v:
Polymer Science U.S.S.R.. 18:1873-1881
Styryl aluminium (StAl) was synthesized with a degree of polymerization P for each aluminium bond 2:30. It was shown that under model conditions StAl reacts with benzoyl peroxide (BP) very rapidly at 0° and the reaction is accompanied by the formati
Publikováno v:
Polymer Science U.S.S.R.. 21:3062-3068
To synthesize organo-aluminium compounds with a polystyryl radical (PS)n. ·AIEt3−n, thermal polymerization of styrene was carried out in the presence of AlEt3 as a chain transfer agent. It was established that by changing the ratio of monomer: :ch
Publikováno v:
Polymer Science U.S.S.R.. 21:1708-1717
A kinetic study has been made of the anionic polymerization of methyl methacrylate by the system A1Et 3 −2,2′-dipyridyl in toluene at −50°. The results show the reaction to be of the first order with respect to initiator and monomer concentrat
Autor:
G.D. Rudkovskaya, T.V. Sheveleva, Ye.V. Anufriyeva, L.V. Zamoiskaya, R.A. Gromova, V.B. Luschik, Krakovyak Mark G, Ye.B. Milovskaya
Publikováno v:
Polymer Science U.S.S.R.. 23:2893-2902
Solutions of triblock copolymers with various structures have been investigated in selective solvents at low concentrations of the block-copolymers by polarized luminescence. It has been found that, depending on the structure of the copolymer and the
Autor:
S.I. Klenin, G.P. Medvedev, Ye.N. Bykova, O.V. Klenina, V.I. Klenin, P.K. Avetisyan, Ye.B. Milovskaya, V.I. Fomina
Publikováno v:
Polymer Science U.S.S.R.. 26:296-301
Instability with time in aqueous solutions of cationic acrylamide copolymers has been studied by viscometry. The ageing effect is manifest to a higher degree for solutions of lower concentration and for copolymers with a higher content of acrylamide
Autor:
Ye.B. Milovskaya, L.V. Zamoiskaya
Publikováno v:
Polymer Science U.S.S.R.. 21:2177-2185
The effect of the conditions under which the process is carried out, namely, the concentration and nature of the components of the initiating system, additions of catalytic quantities of an electron donor (pyridine) and temperature, on the kinetics o
Publikováno v:
Polymer Science U.S.S.R.. 26:395-402
Anionic polymerization of methyl methacrylate in the presence of the modified system AlEt3-2,2′-dipyridyl in toluene at −50° takes place as a first order reaction with respect to monomer and third order with respect to initiator. The proposed ki
Autor:
G.D. Rudkovskaya, L.V. Zamoiskaya, Krakovyak Mark G, Ye.B. Milovskaya, T.D. Ananyeva, Lushchik Vanda B
Publikováno v:
Polymer Science U.S.S.R.. 22:161-170
Block copolymers of types A-B-A and B-A-B (A-PS, B-PMMA or PMAA) containing luminescent markers based on anthracene and covalently linked to particular blocks have been synthesized for use in a study of structural transitions occurring at the monomac
Publikováno v:
Polymer Science U.S.S.R.. 24:873-877
The relaxation of the dipole polarization has been studied on dilute and concentrated solutions of 3-block copolymers, namely styrene-methyl methacrylate-styrene (ST-MMA-ST), in good and selective solvents. The kinetics depend on aggregation and stru
Publikováno v:
Polymer Science U.S.S.R.. 19:1985-1994
It has been established that the system AlR3-2,2′-dipyridyl is an active initiator for the low temperature anionic polymerization of monomers of methacrylic and acrylic series. With PMMA as an example, it has been shown that the polymers formed are