Zobrazeno 1 - 3
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pro vyhledávání: '"Yu. B. Rotenberg"'
Autor:
V. D. Kalmykova, T. A. Rozhdestvenskaya, G. I. Kudryavtsev, V. M. Savinov, V. M. Ivanov, L. Ya. Tikanova, Yu. B. Rotenberg, A. V. Volokhina
Publikováno v:
Fibre Chemistry. 18:262-264
The interconnection between the properties of liquid-crystalline solutions of aromatic copolymers and their structure has been investigated. It has been shown that the viscosity of liquid-crystalline solutions is a parameter which is sensitive to a b
Publikováno v:
Fibre Chemistry. 17:185-187
A procedure has been proposed for determining the viscosity of dilute PPTA solutions which is based on dissolving the reaction mixture formed in the polymer synthesis process in sulfuric acid. The procedure makes it possible to considerably shorten (
Publikováno v:
Fibre Chemistry. 18:100-101
The effect of α-picoline and of triethylamine on the solubility of aromatic polyamides in DMAc and in DMAc containing lithium chloride has been investigated. It has been found that the solubility of aromatic polyamides decreases with increase in the