creating value through...
TRANSCRIPT
Creating Value Through Quality
REACTIVE DYESREACTIVE DYES
Reactive 'ME' Dyes(Bi-Functional Mild Exhaust) Light
Effect Stain
Hy
po
ch
loricWashing
Fastness to
Pe
roxid
eB
lea
ch
Pe
rsp
ira
tio
nA
cid
ic
Pe
rsp
ira
tio
nA
lka
line
General Property
6
1%
6
5
5
6
4
4%
4
5
5
5
5
4
5
5
5
1
2
4
2
1
4
4
4
4
4
5
5
4
4
4
4
4
4
4
4
Yellow ME4GLYellow 160
Yellow H7GLYellow 186
Golden Yellow MERL Yellow 145
Orange ME2RLOrange 122
Red ME3BLRed 194
5
5
2
4
5
5
5
3
1
4
3
4
5
4
4
Red ME4BLRed 195
Red RBRed 198
Reactive 'ME' Dyes(Bi-Functional Mild Exhaust) Light
Effect Stain
Hy
po
ch
loricWashing
Fastness to
Pe
roxid
eB
lea
ch
Pe
rsp
ira
tio
nA
cid
ic
Pe
rsp
ira
tio
nA
lka
line
General Property
5
6-7
4-5
5
4
4
4
4-3
4
5
4
5
4-5
4
4
4
3
1
3
4
4
4
3
4
4
4
5
4
5
4
4
4
3
3
4
Red ME6BLRed 250
Blue BBBlue 220
Navy Blue ME2GLBlue 194
Blue FNGBlue 187
Blue BFBlue 222
6
4
3
4-5
4-5
4
4
3
1
4
3
4
4
4
4
Blue BRFBlue 221
Blue ME2RLBlue 248
Reactive 'H' Dyes(Printing Dyes) Light
Wa
shin
g(E
ffe
ct)
Pe
rsp
ira
tio
nSta
in
Hy
po
ch
loric
(Effe
ct)
Fastness to
Su
bst
an
tivity
Re
ac
tivity
Dis
ch
arg
ea
ba
lity
General Property
6-7
6
4-5
5
4-5
5
5
5
4-5
5
4-5
5
5
4-5
5
1
3
4
4
3
L
M
M
M
L
L
L
L
L
L
G
P
P
P
P
Yellow H4G Yellow 18
Golden Yellow HROrange 12
Orange H2R Orange 13
Red P3BXRed 45
Red P4BRed 245
5-6
6
4
5
5
5
5
4
2
M
L
L
L
G
P
Red P2BRed 24
Red 6BXRed 76
Reactive 'H' Dyes(Printing Dyes) Light
Wa
shin
g(E
ffe
ct)
Pe
rsp
ira
tio
nSta
in
Hy
po
ch
loric
(Effe
ct)
Fastness to
Su
bst
an
tivity
Re
ac
tivity
Dis
ch
arg
ea
ba
lity
General Property
4-5
4
6-7
4-5
4-5
4
4-5
5
4-5
5
4
4
4
5
4-5
4
1
4
4
4-5
H
M
M
H
L
L
L
L
L
L
P
P
P
G
G
Red H8BRed 31
Magenta HBViolet 14
Purple H3R Violet 1
Brown P6RBrown 11
Red Brown H4RBrown 9
4-5
6
5
5
4-5
5
5
4
4-5
M
H
L
L
P
G
Supra Blue H3RP.1Blue 49.1
Supra Blue H3RPBlue 49
Reactive 'H' Dyes(Printing Dyes) Light
Wa
shin
g(E
ffe
ct)
Pe
rsp
ira
tio
nSta
in
Hy
po
ch
loric
(Effe
ct)
Fastness to
Su
bst
an
tivity
Re
ac
tivity
Dis
ch
arg
ea
ba
lity
General Property
3
6
4
5
6
4
5
4
4
4-5
4
4
5
5
3
1
1
4
4-5
4
M
M
M
H
L
L
L
L
L
L
P
P
F
P
P
Navy Blue RX Blue 59
Blue 5RHBlue 13
Navy Blue H2RBlack 39
Black BBlack 5
Black HNBlack 8
6
Reactive 'HE' Dyes(High Exhaust Dyes) Light
Wa
shin
g(E
ffe
ct)
Pe
rsp
ira
tio
nSta
in
Hy
po
ch
loric
(Effe
ct)
Fastness to
Su
bst
an
tivity
Re
ac
tivity
Dis
ch
arg
ea
ba
lity
General Property
4-5
5
5
5-6
5
5
4
5
5
5
4-5
4-5
4
5
3-4
4
4-5
4
2-3
3
H
H
H
H
H
H
H
H
H
H
F
P
P
P
P
Yellow HE6GYellow 135
Yellow HE4GYellow 81
Golden Yellow HERYellow 84A
Golden Yellow HE4RYellow 84
Orange HER Orange 84
4-5
5
7
4-5
5
3-4
4-5
3
3
H
H
H
H
P
P
Orange HE2ROrange 94
Red HE3BRed 120
Reactive 'HE' Dyes(High Exhaust Dyes) Light
Wa
shin
g(E
ffe
ct)
Pe
rsp
ira
tio
nSta
in
Hy
po
ch
loric
(Effe
ct)
Fastness to
Su
bst
an
tivity
Re
ac
tivity
Dis
ch
arg
ea
ba
lity
General Property
4-5
4-5
5
6
4
4-5
4-5
4
5
5
4-5
4-5
3
4
4-5
3-4
3-4
3
3
3
H
H
H
H
H
H
H
H
M
H
P
P
G
P
G
Red HE7BRed 141
Red HE8BRed 152
Blue HEGNBlue 198
Blue HERD Blue 160
Navy Blue HERBlue 171
4
4
8
4
5
5
4
2
3
H
H
M
H
G
G
Navy Blue HE2RBlue 172
Black HEBLBlack 160
9
Reactive Dyes
ME dyes are low temp. high exhaust reactive dyes suitable for dyeing, padding
and printing of all types of cellulosic material These dyes offer high grade of all
round fastness properties. They offer excellent levelling properties and excellent
alkali stability. These dyes gives exceptionally good result on various textile
printing including on discharge printing except RED which gives slight yellowish o
stain. Fixation temp of these dyes is 60-65 C.
Exhust Dyeing Process :
Set dye bath at room temp. add predissolved Glauber's salt, now enter the
material and run for 20 minutes, add half amount of predissolved Glauber's salt oand continue dyeing now gradually raise temp to 60-65 c and add remaining
oamount of predissolved Glauber's salt after reaching 60 C temp. Continue
dyeing for 15min. further, now add soda ash solution and continue dyeing for o
60min. maintain temp. 60-65 C and wash the material.
These are named as 'Hot Brand Dyes'. These dyes are applied under strong
alkaline condition at high temp of application compared to cold brand dyes.
These dyes contains very good fastness properties. These dyes are suitable
particularly for printing, cotton, Viscose, Cuprammonium rayons & natural silk.
Dyeing process of these dyes is as below:
Semi Continous and Continous Process : This Process for 'ME' dyes is same as for
Reactive 'H' Dyes.
1. BIFUNCTIONAL DYES ('ME' DYES)
2 . CYANURIC CHLORIDE BASED HOT DYES ('H' DYES)
20
DyeSalt
Salt Soda
Wash
20o
40
40o
60
60o
80
80o
100 Time (Minutes)
Tem
p
oC
10
20
20o
40
40o
60
60o
80
80o
100 Time (Minutes)
Tem
p
oC
Dye Salt Soda
Wash
Salt
Semi Continous and Continuos Process:
(I) PAD - BATCH - PROCESS :
Dye stuff + Caustic Soda 15gm/lt + Glauber's salt 10-30 gms / lt ---> 24 Hrs
Batch ---> Wash
(ii) PAD - DRY - BAKE PROCESS :
Dye stuff + Urea 200gm / lt + Soda Ash 10-20 gms / lt ---> Dry ---> Bakeo o30 Sec. At 200 C or (3 min. at 150 C) ---> Wash
(iii) PAD - DRY - STREAM PROCESS :
Dye stuff + Soda Ash 10gm / lt + Resist salt 10gms/lt --->Dry ---> Steamo
(7 - 10 min. at 100 - 105 C) Wash
(iv) PAD - DRY- PAD - STEAM PROCESS :
Dye stuff + Resist salt 10gm/lt ---> Dry ---> Chemical Pad (Caustic Soda 10-15
gms/lt + Salt 200- 300 gm/lt) Dry Steamo
(7 - 10 min. at 100 - 105 C) ---> Wash
Salt and Alkali Requirements :
Depth of Shade %
Up to 0.5 30 10
0.5 - 1.0 45 15
2.0 - 4.0 70 20
Above 4.0 90 20
1.0 - 2.0 60 15
Salt (gms/lt.) Soda Ash (gms/lt.)
oExhaust Dyeing Process: Set dye bath at 50 C add predissolved dyestuff, enter
the material and run for 15 minutes. Add half of the predissolved Glauber's salt oand continue dyeing, now gradually raise temp to 80-85 C and in the mean time
add remaining amount of predissolved salt and continue dyeing for 1 0 minutes o
further after attaining temp. 80-85 C now add soda ash solution and continue odyeing for 30-60 minutes maintain temp. 80-85 C and wash the material.
11
20
20o
40
40o
60
60o
80
80o
100 Time (Minutes)
Tem
p
oC
Dye Salt Soda
Wash
Salt
Salt and Alkali Requirements :
Depth of Shade %
Up to 0.5 30 10
0.5 - 1.0 45 15
2.0 - 4.0 70 20
Above 4.0 90 20
1.0 - 2.0 60 15
Salt (gms/lt.) Soda Ash (gms/lt.)
These dyes are suitable for deying cotton & other Cellulosic material. These dyes
posses significantly higher exhaustion & fixation efficiency which results in
appreciable cost reduction in comparison to other conventional reactive dyes.
The high fixation and good buildup are of particular importance when dyeing
polyster/cellulosic blends where liquor to material ratio is quite high. Due to
higher fixation of reactive HE dyes, the drained and wash luquors after dyeing
contain much less quantity of unfixed dyes in comparison to conventional
reactive dyes. This facilities quicker wash off and efficient soaping. The
improved stability of HE dyes gives improved batch to batch consistency.
Exhaust Dyeing Process :
Set dye bath at 50oC and add predissolved dyestuff, enter the material and run
for 15 minutes now add half of the predissolved glauber's salt and continue o
dyeing raise the temp to 80-85 C in the mean while add remaining amount of opredissolved glauber's salt and continue dyeing till temp 80-85 C now add soda
oash solution and, Continue dyeing for 30-60min. maintaining temp 80-85 C and
wash the material.
3. HIGH EXHAUST DYES:
Semi Continous and Continous Process : This Process for 'HE' dyes is same as for
Reactive 'H' Dyes.
R. K. SYNTHESIS LIMITED
+91 79 4008 3131+91 79 4008 4142
Abbravations
L - Low
M - Medium
H - High
G - Good
F - Fair
P - Poor
This information is provided in good faith, to the best of our knowledge
under the Laboratory working conditions & without any liabilities.