Zobrazeno 1 - 10
of 24
pro vyhledávání: '"V.S. Shchirets"'
Autor:
O. V. Smol'yanova, N.F. Bakeyev, L.L. Spevak, A.N. Ozerin, V.S. Shchirets, A.V. Rebrov, N. I. Ivancheva, A.N. Yakunin, S.S. Ivanchev
Publikováno v:
Polymer Science U.S.S.R.. 30:854-859
The maximum effective uniaxial stretch ratio in stretching an ethylene-acrylic acid copolymer is attained when the deformation is clearly not uniform and is accompanied by a change in both the microfibrillar and the microporoUSA structure. The plots
Publikováno v:
Polymer Science U.S.S.R.. 18:3097-3105
Low pressure polyethylene (LPPE) films were modified before and after orientational stretching by a graft copolymerization with acrylonitrile (AN). Small angle X-ray scattering (SAXS) has been used to study the structure present in the grafted films
Autor:
A.L. Yefremov, N.M. Kotov, Yu.A. Zubov, V.I. Selikhova, N.F. Bakeyev, G.P. Belov, V.A. Sokol'skii, M.B. Konstantinopol'skaya, A.N. Ozerin, V.S. Shchirets
Publikováno v:
Polymer Science U.S.S.R.. 17:1312-1317
A study was made by differential thermal analysis (DTA) of the effect of pressure up to 8000 kg/cm 2 on melting and crystallization of linear polyethylene (PE). It was shown that thermograms of melting and crystallization at pressures of over 4000 kg
Autor:
V.S. Shchirets, Ye.A. Sinevich, M.B. Konstantinopol'skaya, Yu.A. Zubov, N.F. Bakeyev, Sergey N. Chvalun
Publikováno v:
Polymer Science U.S.S.R.. 30:2091-2100
X-ray diffraction at high and low angles has been used in a comparative study of the plastic deformation of single-crystal PE mats and of PE specimens crystallized from the melt. It has been established that no essential changes occur in the structur
Autor:
A.A. Baulin, A.N. Ozerin, M.B. Konstantinopol'skaya, V.S. Shchirets, Yu.A. Zubov, N.F. Bakeyev
Publikováno v:
Polymer Science U.S.S.R.. 25:892-897
Structural investigations have been carried out for oriented high molecular PE affected by short term-treatment above the equilibrium melting point, using the method of X-ray analysis and electron microscopy. The material formed during recrystallizat
Publikováno v:
Polymer Science U.S.S.R.. 28:19-26
One-dimensional diffraction in oriented PE has been studied. Analysis of it in the first and second layer lines showed that the amorphous regions of oriented PE have an appreciable number of straightened communicating macromolecules. Some of them may
Autor:
V. A. Aulov, A.N. Ozerin, N.F. Bakeyev, V.I. Selikhova, L. A. Ozerina, V.S. Shchirets, Yu.A. Zubov, A. V. Chichagov, Sergey N. Chvalun
Publikováno v:
Polymer Science U.S.S.R.. 26:1979-1987
Wide and small-angle X-ray analysis, NMR and differential scanning calorimetry were used to study the structure of uniaxially oriented linear PE samples of different M in a wide range of extension ratios (λ). In highly oriented samples (λ > 20) the
Publikováno v:
Polymer Science U.S.S.R.. 16:1950-1956
A method of extrapolation is proposed to determine large dimensions of cyrstallites by an asymmetric focusing quartz monochromator using a pentaerythritol single crystal as standard. It was shown that this method enables us to determine the dimension
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Akademický článek
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