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Dispersing Agents

Universal colorants are pigment dispersions used to color various water-based and solvent-based coatings like dispersion and alkyd paints. The selection of dispersing agents is complex in order to control properties like color strength, viscosity, and rheology to ensure reproducibility. These colorants are stable, have a narrow viscosity range, and are widely compatible. The dispersing agents do not contain alkylphenol derivatives. Guidelines are provided for formulations based on specific pigments and dispersants.

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79 views1 page

Dispersing Agents

Universal colorants are pigment dispersions used to color various water-based and solvent-based coatings like dispersion and alkyd paints. The selection of dispersing agents is complex in order to control properties like color strength, viscosity, and rheology to ensure reproducibility. These colorants are stable, have a narrow viscosity range, and are widely compatible. The dispersing agents do not contain alkylphenol derivatives. Guidelines are provided for formulations based on specific pigments and dispersants.

Uploaded by

Jéssica Marques
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© © All Rights Reserved
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4.

4 Universal Colorants
These pigment dispersions are used for the shading of various water-based and solvent-based
coatings such as dispersion paints and alkyd paints
The selection of the dispersing agents for these colorants is quite complex. these colorants are used
for the shading of various water-based and solvent-based architectural coatings such as dispersion
paints and alkyd paints. The color strength, viscosity and rheology can be controlled carefully to
warrant a perfect reproducibility. These colorants show a long stability, narrow viscosity range and
wide compatibility range. The dispersing agents mentioned do not contain alkylphenol-derivatives.

Table 5: Guideline formulations based on NUOSPERSE FN 265

NUO- NUO- NUO- NUO- DAPRO ASP


SPERSE SPERSE SPERSE SPERSE Water DF 7015 600 Propylene
Pigment C.I. FN 265 FA 620 FX 600 FA 196 Glycol
% % %
%
% % % %
Bayferrox
P.R. 101 60.0 4.0 6.0 15.0 0.5 14.5
130M
Bayferrox
P.Y. 42 58.0 4.0 2.0 6.0 15.0 0.5 14.5
Yellow 915
Hansa Yellow
P.Y. 73 30.0 10.0 4.0 20.0 0.5 35.5
4 GX
Hansa Yellow
P.Y. 74 42.0 10.0 3.0 3.0 29.0 1.0 12.0
2 GX 70
Heliogen Blue P.B.
8.0 10.0 4.0 4.0 20.0 0.5 20.0 33.5
L 6875 F 15:2
Heliogen Blue P.B.
30.0 10.0 4.0 30.0 0.5 25.5
L 6901 F 15:2
Heliogen Blue P.B.
17.0 10.0 4.0 20.0 0.5 12.0 36.5
L 7101 F 15:4
Heliogen
P.G. 7 33.0 10.0 4.0 20.0 0.5 32.5
Green L 8730
Hostaperm
P.R. 122 12.0 10.0 4.0 4.0 20.0 0.5 14.0 35.5
Rosa E
Hostaperm
Violet RL P.V. 23 25.0 10.0 3.0 3.0 25.0 1.0 33.0
Special
Hostaperm
Violet RL P.V. 23 8.0 4.0 10.0 4.0 20.0 0.5 20.0 33.5
Special
Irgazin DPP
P.R. 254 35.0 10.0 4.0 20.0 0.5 30.5
Red BO
Kronos 2190 P.W. 6 65.0 8.0 2.0 8.0 0.3 2.0 14.7
Novoperm
Yellow HR 70 P.Y. 97 40.0 10.0 4.0 16.0 0.5 29.5
VP
Special Black
P.Bk. 7 25.0 10.0 4.0 25.0 0.5 35.5
100

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