Výsledky vyhledávání - "E.Z. Fainberg"

Effect of the conditions of heat treatment on enthalpies of combustion of carbon fibre based on polyacrylonitrile

Autor: M. A. Kozykina, E.Z. Fainberg, I.L. Kumok, S.P. Papkov, V.Ya. Varshavskii, A. A. Konkin

Publikováno v: Polymer Science U.S.S.R.. 18:3120-3124

A study has been made of the applicability of a thermochemical method for determination of enthalpies of combustion by analysis of structure formation processes occurring in carbon fibres based on polyacrylonitrile. In view of the relationship that w

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::d75ff5eed6b12e20510b49c0a0e7305a
https://doi.org/10.1016/0032-3950(76)90425-1

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Low-temperature specific heat and conformation characteristics of polymers in solid state

Autor: E.Z. Fainberg

Publikováno v: Polymer Science U.S.S.R.. 22:1273-1280

Based on the analysis of data concerning low-temperature specific heat of polymers methods were proposed for the comparative evaluation of the rigidity (flexibility) of polymers in the solid condensed state. The standard “effective” weight of the

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::226ff1e95298de9eaccafa287c45557b
https://doi.org/10.1016/0032-3950(80)90229-4

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The solubility of and intermolecular interaction in poly-1,3,4-oxadiazoles containing cardic phthalide groupings

Autor: V.V. Krylova, V.V. Korshak, G.L. Berestneva, M.S. Gergaya, E.Z. Fainberg

Publikováno v: Polymer Science U.S.S.R.. 17:2200-2207

Results are presented of an investigation of aromatic, rigid chain poly-1,3,4-oxadiazoles containing cardic groupings in the form of phthalide-ring side groups. It is shown that solution of these polymers occurs because the energy of interaction betw

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::6602d15a7843d5f383d6d2aa48d40d28
https://doi.org/10.1016/0032-3950(75)90455-4

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Thermochemical study of carbon fibres based on polyacrylonitrile modified by boron

Autor: M. A. Kozykina, I.L. Kumok, A. A. Konkin, S.P. Papkov, E.Z. Fainberg, V.Ya. Varshavskii

Publikováno v: Polymer Science U.S.S.R.. 22:2849-2856

By determining experimentally the combustion enthalpy of carbon fibres modified by boron it was concluded that boron nitride is formed mainly by heat treatment of fibres and that this compound influences graphitization of the carbon fibre. This concl

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::99a11fd1918106c7a949033541adc1f8
https://doi.org/10.1016/0032-3950(80)90134-3

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Adiabatic calorimeter for the study of kinetics of interaction of polymers with reagents in relation to heat liberation

Autor: B.A. Polyak, E.Z. Fainberg

Publikováno v: Polymer Science U.S.S.R.. 16:3039-3043

An adiabatic calorimeter is proposed for examining the interaction of polymers with reagents in relation to heat liberation. It was shown that with the automatic maintenance of adiabatic experimental conditions the use of this type of calorimeter has

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::9ed13a53d6bc95256c2c6b5e6f1ae542
https://doi.org/10.1016/0032-3950(74)90511-5

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Approximate methods of determining the heat capacity of polymers

Autor: E.Z. Fainberg

Publikováno v: Polymer Science U.S.S.R.. 22:1374-1379

Various approximate methods of determining the heat capacity of polymers are considered. A method of determining the heat capacity at low temperatures is proposed on the basis of the quantum theory equations for heat capacity. It is shown that the de

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::b24031a62d1afaae7743c2422a4b7d57
https://doi.org/10.1016/0032-3950(80)90348-2

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