Page 19 - New Cloth Market November 2022 Digital Edition

Colourtex Recipe for One Bath Dyeing of

Polyester x Cationic Dyeable Polyester blend
AGES

Dyeing –1500 MTS. (150 kgs.)
o
Disperse dye inletion (at 40 C) followed by
o
Cationic Dye (at 60 C)
(One-bath Dyeing ) in Jet Dyeing M/c.

Acetic Acid (98 % - pH 4) : 750 + 750 gms.
Levocol CAP (Anti Precipitating Agent) : 750 gms.
Levocol CDFT (Levelling Agent) : 500 gms. Some important points for dyeing
Glauber’s Salt : 1500 gms. PET x CDPET are :
Coracryl - Cationic Dyes : X % - Polyester portion always dyed
EXECUTIVE P
with lighter to medium shade
Coralene - Disperse Dyes : Y % compare to Cationic part.
(Pre Dissolved with Acetic Acid and hot water)
o o - Pretreatment/Dyeing temperature
At 115 C to 118 C for 45 mins. o
should not exceed 118 C in any
case. With temperature more
Drain o
than 118 – 120 C, there are
o chances of loss in tensile
Hot wash & R.C. at 90 C for 30 min.
strength/tendering of the fabric.
Drain - For one bath dyeing, due to op-
posite nature of Disperse (An-
Neutralisation/Acidification. ionic) and Cationic dyes, use of
Anti precipitating agent is the
Acetic Acid (98 %) : 1000 gms
must.
o
90 C for 30 min
Drain and Cold rinse and carry out Finishing on stenter.
Following are the suggestions for one bath dyeing of Polyeter x Cationic Dyeable Polyester :
A. First weigh the cationic dye separately and dissolve it with equal quantity of Acetic Acid (98%) and hot
water.
B. Dissolve Disperse dye separately with water (Do not add any Dispersing Agents)
o
C. Set the dye bath at 40 C, Inlet auxiliary as described in the recipe than inlet pre-dissolved Disperse
dyes first and run for 10 mins.
o o
Raise the temperature by 1 C/min to 60 C then inlet pre dissolved Cationic dye, run for 10 mins
o o
and start heating with 1 C/min up to 90 C, hold for 10 mins.
o o o
Again raise the temp. to 118 C at the rate of 1 C/min. Hold for 45 mins. Cool down to 90 C, match
the sample and if ok drain the bath and do reduction clear.
D. Reduction Clear with, Hydros - 2 g/l o
Caustic Soda - 1 g/l At 80 C for 20 mins.
Levocol CDFT - 0.5 g/l

This page is sponsored by : Colourtex Industries Pvt. Ltd.
Email : [email protected]
Website : www.colourtex.co.in

Colourtex Industries Pvt. Ltd. Surat
This information is provided in good faith, to the best of our knowledge and without liabilities

NCM-NOVEMBER 2022
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