Disperbyk® -140

Solution of alkyl-ammonium salt of an acidic polymer. Acts as a wetting and dispersing additive for solvent-borne systems.

Details

Producer
Supplier
Chemical Composition

Alkyl-ammonium salt of an acidic polymer

Advantages
  • Provides electrical charge to pigments
  • improved color strength
  • high gloss
  • reduces viscosity
  • improved levelling
  • higher pigment loading
  • increases transparency and hiding power of the pigments
  • very good compatibility with all common paint binders
  • possesses an influence on the paint adhesion on steel substrates, in baking enamels
  • deflocculates pigments through steric stabilization of the pigments
Other Applications

architectural coatings
industrial coatings
wood and furniture coatings
automotive refinish
pigment concentrates

Technical data

Quantity Value Unit Comment
Appearance Properties
Physical state Fluid
Physical Properties
pigment content 15 - 20 % Recommended Levels in inorganic pigments
Titanium dioxide content 3 - 4 wt% Recommended Levels in titanium dioxide
pigment content 30 - 80 % Recommended Levels in organic pigments
Thermal Properties
flash point 44 ºC
Chemical Properties
Non-volatile materials 52 % wt
Amin number 76 mg KOH/g
Acidity number 73 mg KOH/g