Disperbyk® -145

Phosphoric acid ester salt of a high molecular weight copolymer with pigment affinic groups. Acts as a wetting and dispersing additive for solvent-borne systems.

Details

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Chemical Composition

Phosphoric ester salt of copolymer with pigment affinic groups

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
wood and furniture coatings
industrial coatings
automotive refinish coatings
pigment concentrates

Technical data

Quantity Value Unit Comment
Physical Properties
pigment content 5 - 10 % Recommended Levels in inorganic pigments
Density 1.07 g/ml 20°C
pigment content 10 - 25 % Recommended Levels in organic pigments
Thermal Properties
flash point >100 ºC
Chemical Properties
Non-volatile materials >95 % wt
Amin number 71 mg KOH/g
Carbon percentage 15 - 35 % Recommended Levels in carbon blacks
Acidity number 76 mg KOH/g