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Bessel M.,Byk Additives and Instruments | Jaunky G.,Byk Additives and Instruments | Heekeren M.,Byk Additives and Instruments
European Coatings Journal | Year: 2014

Acrylate levelling agents have little effect on the surface energy of coatings, while silicone or fluorobased additives reduce it. However, a high surface energy is desirable in primers to increase intercoat adhesion. A new branched polyacrylate levelling additive designed to increase surface energy has shown positive results in waterborne automotive primer surfacers.

Rudolfi A.,Byk Additives and Instruments | Krohnen M.,Byk Additives and Instruments | Piestert F.,Byk Additives and Instruments | Mourner S.,Byk Additives and Instruments
European Coatings Journal | Year: 2013

Dispersing additives with a hyperbranched core/ shell structure have been developed with encapsulated aminic pigment-affinitive groups. These can be used in solvent-borne and solvent-free coating systems. They provide highly effective stabilisation of various types of pigment while avoiding any undesirable interactions with reactive coating systems.

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