Mordant is a word which is related with hydrophobic fiber dyeing is come from a Latin word mrdaeo means some material which is Strongly cling with something’s. Mordant is essential equipments which are used to make mordant dying to attach with fiber so hardly. An organic compound named tannic acid can be listed with mordant. Now a day the material is used so much with mordant dyeing is called chromium. So that mordant dyes also called chrome dye. This type of dyes is specially good for synthetic fiber.
Mordant dyes react with metal oxide and make insoluble pigment. The ancient time so many dyes source are come from vegetable like madder, log wood, fustic etc. the other hand so many dyes come from some moth like cochineal, kerness, lakha etc.
|Chromium Oxide||Puce Brown|
|Copper Oxide||Yellowish Brown|
Classify of the mordant dye
Triphenyl methane dyes
A few dyes also include in mordant dyes
Chromor hodine B (DH)
Solochrome brill, violet BR (ICI)
Eriochrome brill violet B.
Naphtho chrome azurine B
Alizarine orange A (ICI)
Alizarine red 3B
Generally three method of mordant dye are used.
Chrome mordant process
After chrome process
Manufacture Company, Trade name and producer country of mordant dye.
|Manufacture company||Country||Trade Name|
|Bayer||Germany||Alizarin, Diamond Chrome, Gallo Chrome, Chromo Xane.|
|Ciba-Giegy||Switzerland||Synchromate, Chrome, Naphtha Chrome|
|Durand & Huguenin (Sandoz)||Switzerland||Novochrome, Perchrome|
|L.B. Holiday company||Britain||Mono Chrome|
|Sandoz||Switzerland||Alizarine, Omega Chrome.|