BYK - substrate wetting

06 Substrate wetting Substrate wetting Substrate wetting primarily depends on the surface tension of the liquid coating material and the critical surface…

BYK - how to improve surface slip

10 Surface slip Surface slip Silicone additives improve the surface slip properties of coatings. Often, however, it is not the slip itself but rather the…

BYK - the chemical structure of polyacrylates

04 Chemical structure of polyacrylates The basic components (monomers) of polyacrylates are acrylic acid esters . With the C=C double bonds, this molecule can…

BYK - floating, leveling, and air draft sensitivity

07 Floating Floating, leveling problems, and air draft sensitivity Solvents evaporating from a coating film cause vortex flows in the respective film. These…

BYK - methods of measuring surface tension

05 Methods of measuring surface tension Static surface tension The wetting of a surface with a liquid depends on the surface tension of the liquid. The…

BYK - how to prevent surface defects

02 Causes and prevention options If considerable surface tension differences must be equalized, polysiloxanes can be used. Depending on their chemical…

BYK - Deflocculating wetting and dispersing additives

stabilized by electrostatic repulsion. Ammonium salts of polycarboxylic acids (such as BYK‑154 ) are frequently used. In principle, aqueous systems that are…

BYK - controlled flocculation

and primer surfacers, and ANTI‑TERRA‑250 , which is applied in aqueous systems. BYK‑P 104 is an additive which has a much less controlling flocculating effect.…

BYK ebook - how to prevent floating

Your browser does not support HTML5. 11 Prevention of floating Commercial coating formulations are rarely monopigmented; they are usually blends of two or more…

BYK - pigment concentrates

12 Pigment concentrates Pigment concentrates (pigment pastes) are monopigmented systems with as high as possible pigment content and as little as possible…

BYK - the steric stabilization

07 Steric stabilization Instead of using electrical charge, a repulsion potential can also be developed between dispersed particles by means of the adsorbed…

BYK - modern polymerization methods

09 Modern polymerization methods To synthesize effective additives, not only must the appropriate number of monomers for the pigment-affinic groups and the…