Zobrazeno 1 - 9
of 9
pro vyhledávání: '"I. D. Zenkov"'
Publikováno v:
Fibre Chemistry. 23:365-368
The properties of polyacrylonitrile and of fibres based on it, which contain high-bulk sulfonic acid groups have been investigated. -- It has been shown that upon introduction of bulky molecules into the polyacrylonitrile chain, a “separation” of
Publikováno v:
Fibre Chemistry. 20:100-103
The basic principles in synthesis of a fibre-forming sulfonate group-containing copolymer have been established. It has been shown that the sulfonate group content of a copolymer shows up in its properties and the properties of its dilute solutions.
Publikováno v:
Fibre Chemistry. 15:30-33
A comparison of the course of the solubility curves for MMO in water with the melting points of the monohydrate and the dihydrate indicates incongruent melting (with decomposition of the hydrates).
Publikováno v:
Polymer Science U.S.S.R.. 28:2565-2570
Calorimetric and viscometric methods have been used to investigate the dissolving capacity in relation to cellulose of a system based on N-methylmorpholine-N-oxide with amine additives of a varied nature over the concentration range 1–15%. It has b
Publikováno v:
Fibre Chemistry. 15:413-415
The dependence of the heat of solution of terephthaloyl chloride in a mixture of dimethylacetamide and 3% lithium chloride on small amounts of water in the solvent (0.01–0.5% by wt.) has been determined, using a Calvet microcalorimeter. It has been
Publikováno v:
Fibre Chemistry. 20:164-166
Special features of spinning a fibre by the wet method from a copolymer based on acrylonitrile and sodium methallylsulfonate which are connected with dissociation and solvation of the sulfonate groups have been examined.
Publikováno v:
Fibre Chemistry. 16:355-357
The weight content of resin and the chemical composition of the hardener exert the basic effect on the heat effect of the hardening process of epoxy composites.
Publikováno v:
Fibre Chemistry. 14:257-259
Autor:
I. D. Zenkov
Publikováno v:
Fibre Chemistry. 21:169-170
A calorimetric method has been proposed for determining the degree of crystallinity of cellulosic materials; it is based on measuring the heat effects from interaction of cellulose with water.