Zobrazeno 1 - 10
of 29
pro vyhledávání: '"L.V. Zamoiskaya"'
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.. 25:2977-2985
Gel-permeation chromatography has been used to investigate PS-PMMA block-copolymers synthesized by free-radical polymerization in the presence of the system polystyrylaluminium-organic peroxide. The effect of the nature of the peroxide component of t
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
Autor:
E.B Milovskaya, L.V Zamoiskaya
Publikováno v:
Polymer. 23:891-896
Thermal polymerization of styrene in the presence of AlEt 3 acting as the chain transfer agent permits the synthesis of polystyryl derivatives of aluminium (polySt) n AlEt 3− n (poly St-Al). It is possible to regulate the length of the polymer radi
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:
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
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
Autor:
L.V Zamoiskaya, E.B Milovskaya
Publikováno v:
Polymer. 23:884-890
Block copolymers of styrene and a polar monomer (acrylates, methacrylates and acrylonitrile) can be synthesized at low temperatures (20° to minus 20°C) by a free-radical mechanism using initiating systems of the type: polystyrylaluminium (poly St-A
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
Autor:
G.P. Mart'yanova, L.V. Zamoiskaya
Publikováno v:
Polymer Science U.S.S.R.. 29:490-496
Initiation systems of the type polystyryl aluminium-dicyclohexyl peroxydicarbonate or di-tert-butylperoxide help in the synthesis of the PS-PMMA block copolymers by the radical mechanism of polymerization at temperatures below thermal breakdown of th