Zobrazeno 1 - 10
of 127
pro vyhledávání: '"S.M. Baturin"'
Autor:
Vera P. Lodygina, A. I. Kuzaev, S.M. Baturin, V. V. Komratova, Elmira R. Badamshina, Yu.A. Ol'khov, G. A. Gorbushina, V. A. Grigorieva
Publikováno v:
International Journal of Polymeric Materials. 19:117-125
The reactions of PCT and CPCT of aliphatic isocyanates in the presence of catalysts HBSO and CN-DMSO were found to obey the first-order law. The observed rate constants at various temperatures and catalyst concentrations, the activation energy were d
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c18afc9179ee49a337075c9d6e626f65
https://doi.org/10.1080/00914039308012023
https://doi.org/10.1080/00914039308012023
Publikováno v:
Polymer Science U.S.S.R.. 32:1175-1180
The kinetics of urethane formation on reaction of oligobutadienediols with 2,4-toluylene diisocyanate at an [NCO]:[OH] ratio 2:1 (prepolymer synthesis) is studied, and it is shown that a change in the reactivity of oligobutadienediols of different MM
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8d65a16e4e69ac971f5d58d2195d59b2
https://doi.org/10.1016/0032-3950(90)90174-5
https://doi.org/10.1016/0032-3950(90)90174-5
Publikováno v:
Polymer Science U.S.S.R.. 32:1237-1241
The cyclotrimerization of 1,6-hexamethylenediisocyanate has been investigated in the presence of bis(tributyl tin)oxide without a solvent in the 353–393 K range by microcalorimetry, IR spectroscopy and gel permeation chromatography. The polycyclotr
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::be02c4fe8335853860ba3b67ee172ac8
https://doi.org/10.1016/0032-3950(90)90183-7
https://doi.org/10.1016/0032-3950(90)90183-7
Publikováno v:
Polymer Science U.S.S.R.. 22:433-439
Thermomechanical and NMR methods have been used to investigate the influence of “free” chains on the molecular mobility and structure of crosslinked polyester urethane elastomers. The temperature dependences of the spin-spin and spin-lattice rela
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a3dc95a54ee6f2ea3d22c3fbfbd06cd6
https://doi.org/10.1016/0032-3950(80)90022-2
https://doi.org/10.1016/0032-3950(80)90022-2
Publikováno v:
Polymer Science U.S.S.R.. 26:2212-2217
Microcalorimetry was used to study the interaction kinetics of m-chlorophenylisocyanate with OH end groups of oligobutadienes of varying molar mass in the presence of iron triacetyl-acetonate as catalyst in the interval of 313–343°K without solven
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f0239861df394e63bc01b5cd14e5169b
https://doi.org/10.1016/0032-3950(84)90466-0
https://doi.org/10.1016/0032-3950(84)90466-0
Publikováno v:
Bulletin of the Academy of Sciences of the USSR Division of Chemical Science. 25:287-290
1. In both the first and second mechanism steps, bis (4-isocyanatophenyl)methane (I) has been shown to react more slowly with n-butanol than does 2,2-bis-(4-isocyanatophenyl)hexafluoropropane (II). 2. Arrhenius factors have been evaluated for the rea
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::530dd913e03ce64555385c977347de0f
https://doi.org/10.1007/bf00922459
https://doi.org/10.1007/bf00922459
Publikováno v:
Polymer Science U.S.S.R.. 27:1276-1283
GPC and IR spectroscopy have been employed to investigate the properties of the sol fractions of polyether urethane elastomers from catalytic polymerization. The characteristics of the MMD of the sol fractions have been determined and their dependenc
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1dd68d39cddbd7fc552a5958e7888318
https://doi.org/10.1016/0032-3950(85)90267-9
https://doi.org/10.1016/0032-3950(85)90267-9
Publikováno v:
Polymer Science U.S.S.R.. 28:389-396
Specific intermolecular interactions in mixtures containing oligobutadienyl urethane and oligooxyoctene triol have been studied by microcalorimetry and IR spectroscopy. Complex hydrogen-bonded associates are formed in this mixture, which involve uret
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4a1602488f1b6cbe10b63075d4a27917
https://doi.org/10.1016/0032-3950(86)90096-1
https://doi.org/10.1016/0032-3950(86)90096-1
Publikováno v:
Polymer Science U.S.S.R.. 18:2808-2814
Heat stimulated depolarization (HSD) has been used to study the relaxation processes in crosslinked polyurethane (PU) elastomers. The activation parameters of dipole relaxation have been determined in the glass transition range. The main contribution
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::07b29d06db3372fd7eec92fe366b3adf
https://doi.org/10.1016/0032-3950(76)90219-7
https://doi.org/10.1016/0032-3950(76)90219-7
Publikováno v:
Polymer Science U.S.S.R.. 20:230-238
The use of tin dibutyl dilaurate for the preparation of crosslinked polyether urethanes changes the rules of thermal decomposition (reduces the activation energy and pre-exponential factor, changes the order of the reaction) and weakens the dependenc
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b23288b46bf683eb87b1342b8bfd385e
https://doi.org/10.1016/0032-3950(78)90134-x
https://doi.org/10.1016/0032-3950(78)90134-x