Zobrazeno 1 - 10
of 98
pro vyhledávání: '"I.B. Rabinovich"'
Autor:
I.B. Rabinovich, B.V. Lebedev
Publikováno v:
Polymer Science U.S.S.R.. 21:2234-2240
By using the results to be found in the literature and our own about the temperature dependence of the heat contents of polymers, their melting temperature T m o , and enthalpy ΔH m o we estimated the difference in the zero enthalpies H g o (0) −
Publikováno v:
Russian Chemical Reviews. 54:594-608
The literature data on the kinetic and thermodynamic characteristics of the polycondensation of aromatic diols, diamines, tetramines, and their derivatives with tetracarboxylic acid dianhydrides and dicarboxylic acid dihalides in amide solvents are s
Publikováno v:
The Journal of Chemical Thermodynamics. 9:101-110
The heat capacity Cpo of N-(β-trimethylsilylethyl)trimethylenimine in glassy, crystalline, and liquid states, as well as temperatures and enthalpies of its physical transitions, have been measured between 7 and 305 K in a vacuum adiabatic calorimetr
Publikováno v:
Polymer Science U.S.S.R.. 27:1934-1942
Calorimetric data on the temperature dependence of the heat capacity of some mixtures of cellulose nitrate with triacetin (plasticizer) and the integral enthalpy of mixing have been used as a basis for calculating the entropy, enthalpy and Gibbs ener
Autor:
S. A. Siling, É. S. Dzharimova, S.V. Vinogradova, Iv. I. Ponomarev, N. V. Karyakin, I.B. Rabinovich
Publikováno v:
Bulletin of the Academy of Sciences of the USSR Division of Chemical Science. 33:716-723
The reaction of phthalonitrile condensation with m-phenylenediamine is thermodynamically allowed at temperatures from 250° to 500°K, and its equilibrium is almost completely shifted toward the formation of the macroheterocycle.
Autor:
N. S. Nametkin, B.V. Lebedev, S.G. Durgar'yan, I.B. Rabinovich, Ye.G. Kiparisova, L.Ya. Tsvetkova, V.S. Khotimskii
Publikováno v:
Polymer Science U.S.S.R.. 17:1631-1636
The thermodynamic parameters of the process vinyltrimethylsilane (VTMS)→→polyvinyltrimethylsilane (PVTMS) have been determined in the temperature region of 50–300°K. It was found that at 300°K ΔH0 = − 47·8 kcal/mole, ΔS0 = − 22·9 kcal
Publikováno v:
Polymer Science U.S.S.R.. 19:588-595
The thermodynamic properties of vinyldimethylphenylsilane (VDPhS), polyvinyldimethylphenylsilane (PVDPhS) and the thermodynamic characteristics of the polymerization of VDPhS initiated by n-butyllithium have been studied calorimetrically. The heat ca
Autor:
Yu.V. Ovchinnikov, I.B. Rabinovich, V.A. Podgornov, B.F. Teplov, A.G. Babinkov, L.V. Novikova, Ye.M. Moseyeva
Publikováno v:
Polymer Science U.S.S.R.. 27:1661-1667
A study has been made of the heat capacity of di-2-ethylhexyl ester of 1,10-decanedicarboxylic acid in the interval from 4 to 320 K, and the thermodynamic parameters of melting have been determined. The heat capacity of the PVC blends containing from
Publikováno v:
Polymer Science U.S.S.R.. 27:2040-2047
The thermodynamic properties and compatibility of mixtures of cellulose diacetate with triacetin at 80–320 K have been studied by adiabatic and differential calorimetry. Sets of isotherms of the concentration dependence of the enthalpy, entropy and
Publikováno v:
Polymer Science U.S.S.R.. 18:2789-2797
The heat content C°p of the polypentenamer (PPM) was determined in an adiabatic vacuum calorimeter in the 14–322°K range with a 0·2% error. We found the Tg, m.p. and ΔHm.p., and calculated the functions H°TH°0 S°TS°T, G°TH°0 for