Zobrazeno 1 - 10
of 34
pro vyhledávání: '"D.P. Kochetov"'
Publikováno v:
Polymer Science U.S.S.R.. 17:2637-2642
The results of low angle X-ray analysis of the copolymer of formaldehyde and dioxalane (CFD) reveal the presence of a particular intermediate region during orientational restructuring of long periods. The region in question appears in the vicinity of
Autor:
A.V. Barantsova, V.K. Grishchenko, D.P. Kochetov, V.A. Khranovskii, O.M. Fedorenko, Yu.P. Gomza
Publikováno v:
Polymer Science U.S.S.R.. 31:1196-1201
Specific features of intermolecular interactions and their effect on the formation of supermolecular structure were investigated with polyisopreneoxadiazolinyl carbamates prepared from oligoisoprenedihydrazones and diisocyanates. Hydrogen bonds forme
Publikováno v:
Polymer Science U.S.S.R.. 22:31-37
The stochastic method is used for calculation of the characteristics of crosslinked polymers obtained by addition copolymerization of monomers, one of which contains paired interdependent groups. The equations derived are used for calculation of the
Publikováno v:
Polymer Science U.S.S.R.. 25:1063-1074
Methods of wide and low angle X-ray diffraction have been used to study the special aspects of the microheterogeneous structure of epoxydiene polymer networks synthesized from oligoisoprene dihydrazide and the epoxide oligomer ED-16. It is shown that
Publikováno v:
Polymer Science U.S.S.R.. 21:2394-2400
The kinetics of the reaction between oligoisoprenes containing hydrazide end groups, and diphenylolpropane diglycidyl ether, and gelation of the system have been investigated. Equations for the gel point and the weight average molecular weight are ob
Publikováno v:
Polymer Science U.S.S.R.. 31:1087-1093
The effect of mineral fillers, (pyrophyllite and kaolin) on the radical polymerization of butyl methacrylate in water is studied. It is shown that the differences in crystalline structure and chemistry of the filler surfaces are manifested both at th
Publikováno v:
Polymer Science U.S.S.R.. 29:49-55
The small angle X-ray method has been used to study the dependence of the microphase structure of polyblock networks based on the epoxide and diene components on the composition of the initial reacting mixture. It is shown that variation in the compo
Autor:
Yu.L. Spirin, D.P. Kochetov
Publikováno v:
Polymer Science U.S.S.R.. 23:2063-2079
The probability method was used to derive equations determining the position of the gel-point and characteristics of crosslinked polymers, formed by the mechanism polyaddition for systems not conforming to Flory's simplifying principles. Cases were e
Publikováno v:
Polymer Science U.S.S.R.. 18:536-538
A method is proposed for calculating kinetic parameters of initiation of radical polymerization, in order to predict the subsequent course of the process from the initial stage. The applicability of the method was confirmed by calculating the value o
Publikováno v:
Chemischer Informationsdienst. 9