Zobrazeno 1 - 10
of 36
pro vyhledávání: '"D.F. Kutepov"'
Publikováno v:
Polymer Science U.S.S.R.. 24:2034-2039
A description is given of methods of analysing the composition of low-molecular weight epoxide diane resins by adsorption liquid chromatography. Analysis was carried out using a “Perkin-Elmer” chromatograph with a column filled with cyanoethylate
Autor:
D.F Kutepov, N.N Sanina
Publikováno v:
Polymer Science U.S.S.R.. 19:2168-2173
A study was made of kinetics of polycondensation of 2-phenyl-4,6-dichloro-1,3,5-triazine with secondary diamines in ditolylmethane in the temperature range of 140–200°. Polycondensation conforms to second order reactions. A linear relation was der
Publikováno v:
Polymer Science U.S.S.R.. 21:117-126
Hexachlorocyclotriphosphazotriene and phenoxychlorocyclotriphosphazenes were polycondensed with hydroquinone, resorcinol or diphenylolpropane in pyridine as the medium; production methods of soluble polyoxy-arylenehydroxyphosphazenes of various struc
Autor:
A.S. Lunin, D.F. Kutepov
Publikováno v:
Polymer Science U.S.S.R.. 20:2694-2700
Using furylacryloylmethoxymethyl melamine binders thermomechanical investigations were made and a differential method proposed for the kinetic study of structure formation of thermosetting plastics using the torsion cord method in the intermediate re
Publikováno v:
Polymer Science U.S.S.R.. 26:2098-2103
Calorimetric and physico-mechanical studies of segmented polyurethanes with oligobutadiene flexible blocks have been carried out. Rigid blocks were represented by 4,4′-diphenylmethane diisocyanate, extended by triazine-containing diols. Two glass t
Publikováno v:
Polymer Science U.S.S.R.. 19:1586-1592
A study was made of the effect of aromatic diamines on the synthesis of polyethylene glycol maleinate phthalates. The composition and structure of oligomers synthesized were analysed qualitatively and quantitatively. Aromatic diamines not only accele
Investigation of the mechanism of polypentenamer degradation in the presence of metathesis catalysts
Autor:
D.F. Kutepov, Al. Al. Berlin, G.I. Timofeyeva, E.R. Badamshina, S.-S.A. Pavlova, Yu.V. Korshak, V. M. Vdovin
Publikováno v:
Polymer Science U.S.S.R.. 24:164-170
A MWD method has been used to investigate the mechanism of degradative cyclization of unsaturated polymers in the presence of the catalytic system taking polypentenamer as an example. It was found that the process takes place by a random chain mechan
Publikováno v:
Polymer Science U.S.S.R.. 25:247-252
A description is given of a method of analysing the composition and MWD of epoxide resins by liquid adsorption chromatography on cyanethylated silica gel. Results were obtained concerning the composition and MWD of various types of industrial resin o
Publikováno v:
Polymer Science U.S.S.R.. 8:204
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