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Könyv Universal dyeing compositions for dyeing textile materials Shaira Majidova

Universal dyeing compositions for dyeing textile materials

Szerző: Shaira Majidova
Nyelv: Angol
Kötés: Puha kötésű
Kiadó: Our Knowledge Publishing
Elérhetőség: Beszállítói készleten
Küldés 5-8 napon belül
9 092 Ft
Application of salts of monovalent copper for dyeing polyacrylonitrile (PAN) fibers with anionic dye...

Információk a könyvről

Szerző
Shaira Majidova
Nyelv
Angol
Kötés
Könyv - Puha kötésű
Kiadva
2022
oldal
60
EAN
9786205165348
ISBN
6205165341
Enbook ID
41574045
Kiadó
Our Knowledge Publishing
Súly
107
Méretek
150 x 220 x 4

Teljes leírás

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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