Zobrazeno 1 - 10
of 126
pro vyhledávání: '"G.F. Kolbina"'
Autor:
Tatiana B. Tennikova, Georges M. Pavlov, G.F. Kolbina, Anatoliy V. Dobrodumov, O. A. Dommes, I. P. Kolomiets, V. A. Korzhikov, Olga V. Okatova, Iliya V. Aver'yanov
Publikováno v:
European Polymer Journal. 89:324-338
Poly( l -lactide) and poly( d , l -lactide) samples have been synthesized through ring-opening polymerization. The homological series of two poly(lactide)s have been studied in 1,4-dioxane solutions by a complex of methods: molecular hydrodynamics, m
Autor:
A. S. Gubarev, Georges M. Pavlov, I. P. Kolomiets, V. M. Svetlichnyi, G.F. Kolbina, A. L. Didenko
Publikováno v:
Polymer Science, Series A. 59:193-197
Birefringence in solutions and films of poly[4,4'-bis(4''-N-phenoxy)diphenylsulfon]imide of 1,3-bis(3',4-dicarboxyphenoxy)benzene macromolecules is studied. The method of birefringence in the flow of polymer solutions in DMF allows one to determine t
Autor:
Tatiana B. Tennikova, G.F. Kolbina, Georges M. Pavlov, Olga V. Okatova, A. V. Dobrodumov, V. A. Korzhikov, O. A. Dommes, I. V. Aver’yanov
Publikováno v:
Doklady Chemistry. 465:261-264
Poly(L-lactic acid) and poly(D,L-lactic acid) samples have been synthesized through ring-opening polymerization. Studying homological series of two poly(lactic acids) by molecular hydrodynamics and optical methods has shown that poly-L-lactide chains
Publikováno v:
Doklady Chemistry. 463:181-184
Publikováno v:
Polymer Science Series A. 57:261-265
The flow birefringence of aqueous solutions of poly(N-methyl-N-vinylacetamide) macromolecules for samples of various molecular masses is studied. It is found that the sign of birefringence changes from positive to negative with a decrease in molecula
Autor:
Olga V. Okatova, E. F. Panarin, Irina I. Gavrilova, Georges M. Pavlov, A. A. Gosteva, O. A. Dommes, G.F. Kolbina
Publikováno v:
IOP Conference Series: Materials Science and Engineering. 500:012017
Publikováno v:
Polymer Science Series C. 52:79-82
The optical properties of four comb-shaped polymers of the methacrylic series with different optically anisotropic groups in side chains are studied by the methods of flow birefringence and viscometry. The experimental values of the optical anisotrop
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Publikováno v:
Polymer Science Series A. 51:769-772
The optical anisotropy of molecules of pyromellite-dianilic amido acid polyesters has been studied by the method of flow birefringence. Positive flow birefringence, which depends on the isomeric composition of the repeating unit, is detected. The the
Publikováno v:
European Polymer Journal. 43:628-633
Optical properties of poly-(1-trimethylsilyl-1-propyne) in solvents with different refractive indices and optical anisotropies have been studied by the dynamic birefringence method. An optical shape-effect has been detected in solvents characterized