Zobrazeno 1 - 10
of 16
pro vyhledávání: '"V.B Novakovskii"'
Autor:
G. I. Kudryavtsev, E. P. Astapenko, V.B. Novakovskii, L. V. Avrorova, A.V. Tokarov, M.G. Vitovskaya, V.N. Tsvetkov, S. V. Bushin, S.A. Didenko, Peter N. Lavrenko, Olga V. Okatova
Publikováno v:
ResearcherID
The translational diffusion, rapid sedimentation and visocity have been studied on 32 fractions of polyamido benzimidazole (PA) in DMA and 97·8% H2SO4. The mol. wt. were calculated from the diffusion and sedimentation results in DMA. The Tsvetkov-Kl
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::21210a2d049a1fdaa88dac6cc7ae3e08
https://doi.org/10.1016/0032-3950(81)90238-0
https://doi.org/10.1016/0032-3950(81)90238-0
Autor:
V.N Kolot, Peter N. Lavrenko, V.N. Tsvetkov, V.B. Novakovskii, G. I. Kudryavtsev, O.I. Mikryukova
Publikováno v:
Polymer Science U.S.S.R.. 26:875-880
A study has been made of the intrinsic viscosity and translational diffusion for 17 samples of poly-m-hydroxyphenylbenzoxazoleterephthalamide in 96% sulphuric acid. Values obtained for the Mark-Kuhn equation were as follows: [η] = 1·2 × 10−4 ×
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::817a31882b97144bb55684bda27e43eb
https://doi.org/10.1016/0032-3950(84)90257-0
https://doi.org/10.1016/0032-3950(84)90257-0
Publikováno v:
Polymer Science U.S.S.R.. 22:149-161
The diffusion coefficients D and intrinsis viscosities [η] have been measured for 23 poly-p-phenyleneoxadiazole specimens in sulphuric acid. Molecular weights of the specimens have been calculated from the experimental values of D and [η] for diffe
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6a4abbad21c91904868f570742742ba1
https://doi.org/10.1016/0032-3950(80)90430-x
https://doi.org/10.1016/0032-3950(80)90430-x
Publikováno v:
Polymer Science U.S.S.R.. 27:97-105
The coefficients of translational diffusion D and intrinsic viscosity [η] of seven samples of polynaphthoylenebenzimidazole have been measured in sulphuric acid. From the experimental [η] and D values, the molecular masses M D v have been calculate
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7a52179e4ebf7a1e1d2e2a25e0178c38
https://doi.org/10.1016/0032-3950(85)90101-7
https://doi.org/10.1016/0032-3950(85)90101-7
Autor:
V.V. Korshak, Iv. I. Ponomarev, I.A Strelina, V.B. Novakovskii, Vinogradova Svetlana, M. O. Shalikiani, T.V. Lekaye, V.N. Tsvetkov, A. L. Rusanov
Publikováno v:
Polymer Science U.S.S.R.. 31:43-49
Translational diffusion and viscometry have been used to study two homologous series of samples of polynaphthoylene benzimidazoles 2 and 3 with different structure of the monomer unit. From the values of the coefficients of diffusion and intrinsic vi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::18167510cb5a46010770adabed43059e
https://doi.org/10.1016/0032-3950(89)90346-8
https://doi.org/10.1016/0032-3950(89)90346-8
Autor:
I.A Strelina, V.B Novakovskii
Publikováno v:
Polymer Science U.S.S.R.. 30:2641-2647
The dependence of the intrinsic viscosity of a number of aromatic polyamides and poly-p-phenylene oxadiazole in sulphuric acid on temperature has been investigated. Characteristic of all the polyamides is a high negative value of the temperature visc
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::01c302bd3a3b440a83767f69a8bcfd8b
https://doi.org/10.1016/0032-3950(88)90146-3
https://doi.org/10.1016/0032-3950(88)90146-3
Publikováno v:
Polymer Science U.S.S.R.. 22:1133-1143
The flow birefringence (FBR) of sulphuric acid solutions of poly- p -phenyleneoxadiazole (PPOD) samples having various mol.wt. has been determined. The characteristic angles of orientation [χ/g] increase with the mol.wt. M as a linear function of M[
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ba159c097db6922b5b9fbae6f2cb49a6
https://doi.org/10.1016/0032-3950(80)90212-9
https://doi.org/10.1016/0032-3950(80)90212-9
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