For Reactive dye some shade for better picture of CDR
machine:-
1) Orange shade:-
Quality;-12 * 10 cotton count twill quality. Weight/meter=470
gram.
Dye padding recipe:-
Reactive orange M2R=75 GPL.
Reactive Yellow M8G=4.5 GPL.
Urea=100 gpl.
Resist salt=10 gpl
Antimigarating agent=1 gpl.
Crypto anionic wetting agent=2 gpl
Chemical padding recipe:-
Common salt=250 gpl.
Soda ash=20 gpl.
Process;-Dye paddry---chemical
padding----steaming---washingdrying.
2) Sky blue shade:-
For cotton poplin quality (40 counts):-
Reactive Blue RN;-0.18 gpl
Urea=50 gpl
Sodium bicarbonate=30 gpl
Resist salt=10 gpl
Speed=32 meter/minute.
Pad---wet steaming---washing---drying.
For pigment dyeing some example for better picture:-
3) Green Shade;-
Count=14 count cotton twill quality.
Dye padding recipe:-
Pigment Fine CB=12 gpl
Pigment green ck=45.2 gpl
Pigment T.Blue CBN=3.2 gpl
Binder=50 gpl
DAP=5 gpl
NH4CL=5 gpl.
Speed=18 meter/minute.
Curing temp=150 degree Celsius
Time of contact in curing machine=2 minute and 45 second.
Process;-Padding -----Drying and curing.
From above mentioned recipe we have not gone to detail
discussion for process parameter, dyestuff selection and machine section of CDR
it is just a process idea for CDR machine which I have seen successfully running
hence first sampling has to be done then recipe has to be set in CDR machine
.This has to be done from expert view only.
Note: - This Article has been written in good faith
for problem solving altitude purpose and sharing of shop floor experience.
Reference taken for machine part description:-
About the Author:
The author is the Product Manager (Reactive Dyes) in Colourtex.
Ind. Ltd having 12 years production of experience in cotton, polyester and its
blend quality in India and overseas reputed company.
