Colour Chronicle - Sept 2012 - Clariant

paper
Properties, shade related
Cartafix F Cartafix WE Cartafix VXD
Application Suitable for fixing of Suitable for fixing of Suitable for fixing of
almost all anionic dyes almost all anionic dyes a broad range of
anionic dyes
Shade Most shades turn Most shades stay stable Most shades stay stable
redder and duller (dyestuff dependent) (dyestuff dependent)
(dyestuff dependent)
Brightness Some shades turn duller Most shades stay stable Most shades stay stable
(dyestuff dependent) (dyestuff dependent) (dyestuff dependent)
CIE L*a*b*-Color space, shade development with fixative
Direct Yellow 137 - Cartasol Yellow 2GFN liq.
Direct Red 239 - Cartasol Red 2GFN liq.
82
25
81
24
80
79
78
23
22
77
21
b*-value
76
75
b*-value
20
19
74
73
72
18
17
71
16
70
10 1 1 12 1 3 14 1 5 16 1 7 18 1 9 20 2 1 22
a*-value
15
46 4 7 48 4 9 50 5 1 52 5 3 54 5 5 56
a*-value
Direct Blue Metal-free - Cartasol Blue 3R-EU liq.
a*-value
3 4 5 6 7 8 9 10 1 1 12 1 3
-22
-23
-24
-25
-26
Direct Blue Metal-containing - Cartasol Blue
GDF liq. New
a*-value
-12 -11 -10 -9 - 8 -7 - 6 -5 - 4 -3 - 2
-17
-18
-19
-20
-21
b*-value
-27
-28
-22
-23
b*-value
-29
-24
-30
-25
-31
-26
-32
-27
◦ Unfixed dyeing in ½ standard depth
– – – Dyestuff fixed with Cartafix F liq.
——— Dyestuff fixed with Cartafix WE liq.
.............. Dyestuff fixed with Cartafix VXD liq.
Influence of Fixatives on Backwater
Properties, backwater related
Cartafix F Cartafix WE Cartafix VXD
Effect Gives clear backwater on Gives clear backwater Gives clear backwater
almost all anionic dyes on a broad range of on a broad range of
anionic dyes
anionic dyes
Efficiency Clears backwater Clears backwater Clears the backwater
efficiently at efficiently at low dosage. in a specific
low dosage Good for waste water addition range
treatment
Overdosage Backwater stays Backwater rating Backwater will
clear for a long time gradually worsens worsen if overdosed
colour chronicle 3 | 2012 13