Zobrazeno 1 - 10
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pro vyhledávání: '"Miloslav Šorm"'
Publikováno v:
Angewandte Makromolekulare Chemie. 194:149-158
High optical purity polystyrene (PS), poly(methyl methacrylate) (PMMA) and styrene-methyl methacrylate statistical copolymers (S-MMA) were prepared. Light scattering measured on polymeric glasses depends on the chemical composition of the polymer and
Publikováno v:
Acta Polymerica. 41:254-258
Poly[1-methyl-3-(2-methacryloyloxyethyl)] imidazolium and poly(methacryloyloxyethyl) trimethylammonium were obtained by a metathesis of the corresponding polymeric ammonium bromides with LiTCNQ. The electrical conductivity of simple salts at room tem
Autor:
Vladimír Kubánek, Jiří Švantner, Luďka Machová, Ladislav Dvořánek, Miloslav Šorm, Z. Pelzbauer
Publikováno v:
Angewandte Makromolekulare Chemie. 174:25-39
Monofilaments possessing various degrees of birefringence were obtained by changing the drawing rate, the molten polymer temperature, and the molecular weight of polystyrene (PS) and poly(methyl methacrylate) (PMMA). The “brittle-toductile” trans
Publikováno v:
Angewandte Makromolekulare Chemie. 174:55-68
The polymer composites were prepared by reticulate doping of polystyrene and poly(γ-methyl-L-glutamate)(PMGA) with 1-methyl-3-alkylimidazolium-7,7,8,8-tetracyano-p-quinodimethane simple salts I and complex salts II. The electric conductivity strongl
Publikováno v:
Collection of Czechoslovak Chemical Communications. 50:845-853
The course of hydrolysis of an ester, 4-acetoxy-3-nitrobenzoic acid catalyzed with poly(1-methyl-3-allylimidazolium bromide) (IIa), poly[l-methyl-3-(2-propinyl)imidazolium chloride] (IIb) and poly[l-methyl-3-(2-methacryloyloxyethyl)imidazolium bromid
Publikováno v:
physica status solidi (b). 140:545-558
Electrical conductivity and spectral properties (UV–VIS absorption and temperature dependence of IR absorption) are studied in the series of 1-methyl-3-alkylimidazolium (MRI+) 7,7′,88′–tetracyano-p-quinodimethanes in the form of simple and co
Autor:
Andrzej Graja, Ewa Sopa, J. Pilař, Miloslav Šorm, Pavel Schmidt, Vratislav Langer, Stanislav Nešpůrek
Publikováno v:
Chemical Physics. 101:81-93
Electrical conductivity and spectral properties (UV VIS absorption and especially the temperature dependence of IR absorption) are studied for the simple salt 1-methyl-3-propyl-imidazolium 7,7,8,8-tetracyano-p-quinodimethane (MPI+ TCNQ− . The tempe
Publikováno v:
Collection of Czechoslovak Chemical Communications. 48:103-111
By metathesis between lithium salts of 7,7,8,8-tetracyano-p-quinodimethane and 1-methyl-3-alkylimidazolium bromides, simple radical salts were prepared whose specific electrical conductivity values are c. 10-7-10-3, Ω-1 m-1, according to the donor s
Publikováno v:
Polymer Bulletin. 9:60-66
The photoconductivity and thermostimulated currents were measured on amorphous and spherulitic layers of oligo(ethyleneoxy) 2,5-di(anilino)terephthalate. The crystalline domains in the amorphous phase form new traps, c. 0,6 eV deep.
Publikováno v:
J. Chem. Soc., Chem. Commun.. :696-697
Bis(ethylenedithiolo)tetrathiafulvalene was prepared by a photochemical desulphurization of 4,5-ethylenedithiolo-1,3-dithiole-2-thione (1), and the effect of the type of solvent, nucleophilic agent and its concentration, and temperature on the yield