Zobrazeno 1 - 10
of 58
pro vyhledávání: '"A.P. Sheinker"'
Publikováno v:
Polymer Science U.S.S.R.. 33:1357-1360
The fraction of carbonyl groups bound by H-bonds in aqueous solutions of some water-soluble polymers has been determined, using a method based on the previously found features of changes in chemical shifts of the carbonyl carbon 13C due to substituen
Publikováno v:
European Polymer Journal. 27:509-513
NMR-spectral data for diethylaminoethyl methacrylate and its salts in various solvents have been considered with the kinetics of polymerization of these monomers. The data on the interaction of a monomer with a solvent obtained using NMR-spectroscopy
Publikováno v:
Polymer Science U.S.S.R.. 16:423-429
A study was made of the polymerization of acrylamide (AA) in two-phase systems containing water and in concentrated aqueous solutions in presence of ammonia or caustic soda. It was found that polymers prepared by polymerization in these systems, when
Publikováno v:
Polymer Science U.S.S.R.. 31:1471-1488
The review appraises the results of study of polymerization and copolymerization of aminoalkyl (meth)acrylates and their salts—one of the classes of cationic water-soluble monomers. The main feature of polymerization of these compounds like other w
Publikováno v:
Polymer Science U.S.S.R.. 19:2371-2378
A study was made of radiation polymerization of butadiene in ethyl chloride and in liquid ammonia over the temperature range of 80–129°. It was shown that according to reaction temperature and the type of solvent used, polymerization may take plac
Publikováno v:
Polymer Science U.S.S.R.. 28:1427-1433
The 1 H and 13 C NMR spectra of MMA and acrylamide in proton-donor and proton-acceptor solvents have been studied and the data obtained have been compared with the rates of polymerization of these monomers in the same solvents. As the ability of the
Publikováno v:
Polymer Science U.S.S.R.. 16:2701-2710
The effect of water on the polymerization of butadiene in presence of nickel chloride was investigated. It was found that if nickel chloride hexahydrate is heated in a vacuum in NiCl2 at 60–200°, not less than 0·3 mole of water remains. The catal
Publikováno v:
Polymer Science U.S.S.R.. 25:106-113
The elementary rate constants of propagation and termination for the polymerization of diethylaminoethyl methacrylate (DE) and its acetate and hydrochloride salts in various solvents have been determined. The correlation between the polymerization ra
Publikováno v:
Polymer Science U.S.S.R.. 22:2136-2144
The nature of the distribution of stereoregular units in polypentenamers obtained by γ-iradiation of cyclopentene in the presence of WCl6, has been studied. Phase diagrams have been constructed by the scanning calorimetry method, for polymers contai
Publikováno v:
Polymer Science U.S.S.R.. 23:2019-2024
A study was made of kinetics of photochemical polymerization of diethylamino-ethyl methacrylate acetate in dioxane, in dioxane plus water and in water, and of diethylaminoethyl methacrylate in dioxane and in dioxane plus water, elementary constants o