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ce-type reactive dyes

this series are wool reactive dyestuffs with high performance. it contains double reactive groups, with its water fastness , high stability, good performance in wet fastness and free of heavy metals, can meet oeko-tex100 environmental demands.

 

main features
ce series reactive dyes contains α-bromo-acrylamide , monochlorotriazine etc various reactive groups, which is high solubility , stable hydrolysis resistance and especially suitable for the middle and deep dying.
* high absorption rate and fixation rate
* excellent dyeing reproducibility
* it can maintains excellent fastness to wet processing even though dyeing deeply.

 

color sample product c.i.no.
reactive yellow ce 100%  
reactive golden yellow ce-01 100%  
reactive red ce 100%  
reactive blue ce 100%  
reactive dark blue ce 100%  
reactive black ce 100%  

 

technology of dyeing
(for example of wool, only for reference)
dye dissolved: dyes beat with cold water, stir in not more than 60 ℃ warm water to dyes completely dissolved, then cooling & filter, join to the dyes vat.

process of graphs

 

dyeing prescription
a: penetrant  ca   0.5-1 g/l
dye leveller b    1-2 g/l
acetic acid        x g/l
adjust ph=4.5-7
b:dyes       x%


washing crafts 
put the sodium carbonate or ammonium hydroxide to the dye bath, adjust the ph to 8-8.5, and keep 15-20mintues under the temperature of 80-85℃. then fully washed it by cold water and adjust the dye bath to ph=5 by the acetic acid.

 



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