Zobrazeno 1 - 10
of 11
pro vyhledávání: '"O. B. Semenov"'
Publikováno v:
ChemInform. 29
Publikováno v:
Organic Mass Spectrometry. 26:751-756
Pyrolysis gas chromatography/mass Spectrometry was applied to the investigation of homopolymers obtained from trimethyl-, n-pentyldimethyl-, n-octyldimethyl- and trideuteromethyldimethyl-vinylsilanes. The electron impact-induced fragmentation of alka
Publikováno v:
Polymer Science U.S.S.R.. 32:2308-2314
Structure of poly(vinyltrimethylsilane) was investigated over a broad temperature interval by X-ray diffractometry, calorimetry, and mechanical spectroscopy. The polymer glass-transition temperature was found to lie at ≅390 K. Below this temperatur
Publikováno v:
Russian Chemical Bulletin. 46:1620-1621
The hydrosilylation of C60 by diphenylsilane was studied. Silicon-containing derivatives C60H n (HSiPh2) n (n=2, 4, 6) were obtained.
Publikováno v:
Polymer Science U.S.S.R.. 22:2598-2605
A study was made of physico-mechanical properties and X-ray scattering of initial and oriented polyvinyltrimethylsilane samples in a wide range of temperature and degrees of elongation. It was shown that the polymer has amorphous structure. Uniaxial
Publikováno v:
Mechanics of Composite Materials. 25:68-73
Publikováno v:
Polymer Science U.S.S.R.. 17:1115-1122
An investigation of the molecular weight distribution (MWD) of polyvinyltrimethysilanes (PVTMS) during lithium initiated polymerization of vinyltrimethylsilane, by fractionation (elution from a column), high speed sedimentation and gel permeation chr
Autor:
N. S. Nametkin, S.G. Durgar'yan, O. B. Semenov, Yu. Ya. Podol'skii, I.A. Tumanova, I.A. Litvinov
Publikováno v:
Polymer Science U.S.S.R.. 20:1247-1252
An electron microscope study of asymmetrical membranes showed them to consist of continuous and porous layers. The porous substrate consists of open pores measuring from some fractions of a micron to several microns. No pores of any sort were detecta
Publikováno v:
Bulletin of the Academy of Sciences of the USSR Division of Chemical Science. 19:235-239
1. The influence of temperature on the viscosity of dilute solutions of polyvinyltrimethylsilane, synthesized by ionic polymerization on ethyllithium, in a number of solvents of various kinds, as well as the change in the viscosity of dilute solution
Publikováno v:
Bulletin of the Academy of Sciences of the USSR Division of Chemical Science. 18:995-999
1. The relationships between the intrinsic viscosity and molecular weight of polyvinyltrimethylsilane were investigated in four good solvents and one ideal solvent, and the dimensions of the unperturbed molecules of the indicated polymer were also es