Zobrazeno 1 - 10
of 106
pro vyhledávání: '"Jaroslav Kálal"'
Publikováno v:
Zeitschrift für Chemie. 18:359-364
Publikováno v:
Journal of Polymer Science: Polymer Symposia. 42:1091-1098
The radical bulk copolymerization of styrene with acrolein, methacrolein, and α-ethyl-acrolein is studied and monomer reactivity ratios are determined. Employing the dilatometric method the overall rate of polymerization is measured and discussed wi
Publikováno v:
Journal of Polymer Science: Polymer Symposia. 47:345-349
The effect of the polymer microenvironment polarity on some reactions of polymers is briefly discussed. The polymer microenvironment polarity has been measured using the Kosower semiempirical polarity scale based on the energy of the solvatochromic c
Publikováno v:
Journal of Polymer Science: Polymer Symposia. 66:65-74
and /3 copolymer [2]. Nevertheless, it was shown that the 2-hydroxyethyl derivative was well tolerated as a plasma expander [3], and in some parameters it was more advantageous than dextran. Possi- ble biodegradability was suggested in the same paper
Publikováno v:
Journal of Polymer Science: Polymer Symposia. 66:349-356
A number of synthetic polymers and copolymers of the methacrylate type with a different content of sulfate, sulfamide, and carboxylic groups have been prepared. The anticoagulation activity of polymers thus obtained was compared with that of heparin.
Publikováno v:
Angewandte Makromolekulare Chemie. 181:183-190
The layer of reaction products on the surface of poly(tetrafluoroethylene) etched with a solution of sodiumnaphthalene in tetrahydrofuran was investigated by means of XPS photoelectron spectroscopy. The etched surfaces were also examined after vigoro
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:
Macromolecules. 10:1153-1157
Publikováno v:
Die Makromolekulare Chemie. 181:367-372
Copolymers of methacrylaldehyde with hydrophilic monomers — 2-hydroxyethyl methacrylate, 5-hydroxy-3-oxapentyl methacrylate, 8-hydroxy-3,6-dioxaoctyl methacrylate, N-ethylmethacrylamide, N,N-diethylacrylamide, and N,N-diethylmethacrylamide — were
Publikováno v:
European Polymer Journal. 13:299-303
The formation of coordination compounds of transition elements on the reactive hydrophilic copolymer glycidyl methacrylate-ethylenedimethacrylate, with chemically bonded ethylenediamine molecules, has been described. Particular attention has been pai