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Książka Universal dyeing compositions for dyeing textile materials Shaira Majidova

Universal dyeing compositions for dyeing textile materials

Autor: Shaira Majidova
Język: Angielski
Oprawa: Miękka
Wydawca: Our Knowledge Publishing
Dostępność: Dostępna u dostawcy
Wysyłamy za 5-8 dni
100.27 zł
Application of salts of monovalent copper for dyeing polyacrylonitrile (PAN) fibers with anionic dye...

Informacje o książce

Autor
Shaira Majidova
Język
Angielski
Oprawa
Książka - Miękka
Data wydania
2022
strony
60
EAN
9786205165348
ISBN
6205165341
Enbook ID
41574045
Wydawca
Our Knowledge Publishing
Waga
107
Wymiary
150 x 220 x 4

Pełny opis

Application of salts of monovalent copper for dyeing polyacrylonitrile (PAN) fibers with anionic dyes has been known for a long time. Thus, Feld and Fremont [1] were the first to discover that some acidic and direct dyes under certain conditions can bind to PAN fibers. They believed that the dyeing process of these fibers in the presence of copper is similar to the dyeing process of wool with acid-etching dyes, i.e. as a result of dyeing, copper ions form complex compounds with dye molecules and amino groups of polyacrylonitrile macromolecules. The amino groups, as well as carboxyl groups, can be formed due to hydrolysis of nitrile groups. As shown by our studies, oxidation of partially hydrolyzed in aqueous sulfuric acid solution of PAN fiber with sodium hypochlorite increases the content of amino groups in it.

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