Disperbyk® -168

Solution of higher molecular weight block copolymer with pigment affinic groups. Acts as a wetting and dispersing additive for UV-curing and solvent-based paint systems and printing inks. Especially recommended for production of UV-flexo and UV-offset inks.

Details

Producer
Supplier
Chemical Composition

Solution of a high molecular weight block copolymer with pigment affinic groups

Advantages
  • Provides a uniform electrical charge to pigment surfaces
  • deflocculation and steric stabilization for pigments
  • improves levelling
  • allows high pigment loading
  • increases gloss, color strength, and transparency
  • shortens dispersion time
  • lowers viscosity
Other Applications

UV-flexo and UV-offset inks
UV-curable wood coatings

Technical data

Quantity Value Unit Comment
Appearance Properties
Physical state Fluid
Physical Properties
pigment content 10 - 15 % Recommended Levels in inorganic pigments
Titanium dioxide content 5 - 6 wt% Recommended Levels in titanium dioxide
pigment content 30 - 90 % Recommended Levels in organic pigments
Density 1.11 g/ml 20°C
Thermal Properties
flash point 100 ºC
Chemical Properties
Non-volatile materials 30 % wt
Amin number 10 mg KOH/g
Carbon percentage 70 - 140 % Recommended Levels in carbon blacks