Zobrazeno 1 - 10
of 31
pro vyhledávání: '"S. N. Savin"'
Publikováno v:
Vìsnik Odesʹkogo Nacìonalʹnogo Unìversitetu: Hìmìâ, Vol 24, Iss 4(72), Pp 70-79 (2019)
The influence of inert solvents and active diluents on the curing processes of epoxy resin ED-20 at a temperature of 20-40 0C. Polyethylenepolyamine was used as a hardener. The initial rate and temperature coefficient of the curing reaction at the in
Externí odkaz:
https://doaj.org/article/b12af108b2614de48074702807f5ed40
Autor:
S. N. Savin, O. O. Mazur, А.V. Lyupashko, E. E. Martsinko, E. A. Chebanenko, I. I. Seifullina, O. V. Pirozhok
Publikováno v:
Vìsnik Odesʹkogo Nacìonalʹnogo Unìversitetu: Hìmìâ, Vol 22, Iss 4(64), Pp 37-44 (2017)
Influence of complexes of germanium(IV) and 3d-metals is traced with citric acid and 1,10-phenanthroline on the process of polycondensation maleic and phtalic anhydrydes with an ethyleneglycol. It is set that there is a noticeable decline of acidvalu
Externí odkaz:
https://doaj.org/article/181c860d165c412abdf0e3cf46c58f53
Autor:
O. O. Mazur, S. N. Savin, I. I. Seifullina, E. A. Chebanenko, E. E. Martsinko, T. V. Logichevskaya
Publikováno v:
Vìsnik Odesʹkogo Nacìonalʹnogo Unìversitetu: Hìmìâ, Vol 21, Iss 4(60), Pp 57-64 (2016)
As activators of polycondensation of phthalic and maleic anhydride with ethyleneglycoles, binuclear Sn(IV) - Co(II) (Ni(II), Mn(II), Cu(II))complexes with citric acid were explored. Complexes were added in reaction mixture as water solutions. Polycon
Externí odkaz:
https://doaj.org/article/4e197f88c44447139e3b03efa4c3115a
Autor:
S. N. Savin
Publikováno v:
Vìsnik Odesʹkogo Nacìonalʹnogo Unìversitetu: Hìmìâ, Vol 21, Iss 1(57), Pp 72-79 (2016)
In the article the method of calculation-experimental determination of the Jung module is offered for standards from materials of different types in form plates long from 40 to 200 mm, width from 5 to 50 mm and in thick 0,5 to 20 mm. For measuring th
Externí odkaz:
https://doaj.org/article/1eb1bbf8da6a481d8aa8867d05ef288c
Autor:
S. N. Savin
Publikováno v:
Vìsnik Odesʹkogo Nacìonalʹnogo Unìversitetu: Hìmìâ, Vol 19, Iss 4(52), Pp 70-79 (2015)
Solution of nonlinear non-stationary task of calculation is offered distributing of the temperature field is in the volume of cylinder standard by the finite element method on the example of reaction of epoxy resin ED-20 with polуethylenpolyamines.
Externí odkaz:
https://doaj.org/article/87b5b69ef8424373ad1ce37338ec8e69
Publikováno v:
Vìsnik Odesʹkogo Nacìonalʹnogo Unìversitetu: Hìmìâ, Vol 15, Iss 2, Pp 5-14 (2015)
The compositions of Ti4+, Sn4+, Ti3+ chlorides with a number of hydroxycarboxylic acids: citric, tartaric, malic and complexes of Ge4+ with these acids have been investigated as activators of polycondensation of maleic and phthalic acids with ethylen
Externí odkaz:
https://doaj.org/article/847f13ee8b48486d886ec8cf9df973b3
Publikováno v:
Vìsnik Odesʹkogo Nacìonalʹnogo Unìversitetu: Hìmìâ, Vol 16, Iss 5, Pp 67-78 (2015)
The row of coordination compounds of germanium (IV) with 1-hydroxyethylene- diphosphonic acid H4Oedph is synthesized: complex acid (I) and its complexes with exo-ligands (L): hydrazide of isonicotinic acid Ind (II), diphenylguanidine Dphg (III), pyra
Externí odkaz:
https://doaj.org/article/6661403c5bb040fda2579144a8b365a9
Publikováno v:
Vìsnik Odesʹkogo Nacìonalʹnogo Unìversitetu: Hìmìâ, Vol 17, Iss 4(44), Pp 21-27 (2014)
The processes of policondensation of boric acid with ethyleneglycol and glycerin in presence a maleinic anhydride are studied. Descriptions of the got oligomers, their speed of copolymerization, are certain with triethylenglykoldimethacrylate. The me
Externí odkaz:
https://doaj.org/article/9c64dac894ee46e097a026de10eac288
Autor:
S. N. Savin
Publikováno v:
Vìsnik Odesʹkogo Nacìonalʹnogo Unìversitetu: Hìmìâ, Vol 18, Iss 1(45), Pp 71-81 (2014)
The method of determination of speed of polymerization on initial and middle stages of process with the use of special one dilatometers for systems with high viscidity is developed. The methods of calculation thermophysical parameters for determinati
Externí odkaz:
https://doaj.org/article/a4e8aad0b9cf4cf1a90e37a6183eff87
Autor:
S. N. Savin, T. V. Logichevskaya, I. I. Seifullina, Е. A. Chebanenko, E. E. Martsinko, A. O. Stahov
Publikováno v:
Vìsnik Odesʹkogo Nacìonalʹnogo Unìversitetu: Hìmìâ, Vol 18, Iss 2(46), Pp 57-63 (2014)
Bimetallic complexes of Co(II)-Sn(IV), Co(II)-Ge(IV) with citric, tartaric, xylaric and 1-hydroxyethylidenediphosphonic acids as activators of polycondensation of phthalic and maleic anhydride with ethylene glycol are investigated. Initial speeds of
Externí odkaz:
https://doaj.org/article/70812aa6ac0c4c99a96dac43262b31c9