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DISPERBYK®- 2008 - A New Wetting and Dispersing Additive

Published on 2009-04-07. Author : SpecialChem

A new wetting and dispersing additive for high-solids and solvent-free coatings. The matting of high-solids and UV coatings quintessentially depends on the perfect incorporation and dispersion of preferably high levels of silica-based matting agents. However, the use of these high levels of silica-based matting agents causes high viscosities creating handling and application issues. DISPERBYK®-2008 helps to avoid these problems.

Based on CPT (Controlled Polymerization Technology), DISPERBYK®-2008's pigment-affinic groups have been designed in such a way that they work equally well on surface-treated silicas and on untreated silicas. Special binder-compatible groups provide compatibility in many different polymers and monomers, and a special modification gives an excellent stabilization of the finely dispersed silica particles and inorganic fillers. The result is a powerful matting effect - so strong that it can even be achieved with standard matting agents and at low dosage levels. Additionally, the significant reduction of the viscosity provides easier processing properties for matt coatings made with DISPERBYK®-2008.

About BYK Additives & Instruments:

BYK Additives & Instruments is one of the world's leading suppliers in the additives and instruments sector. Approximately 85% of our sales are generated by foreign countries. Our major export markets are Europe, the United States and the Far East. Additives are used by processing industries in the production of coatings, inks, plastics and papers. In very small quantities, BYK additives simplify manufacturing processes, and significantly improve the quality of finished goods, such as motor vehicles and furniture. BYK Instruments can quantify the quality of color and gloss and the physical properties of paint, plastic and paper products. Instruments from BYK are predominantly used for quality control. BYK Additives & Instruments is a member of ALTANA, Wesel. ALTANA develops and produces high-quality, innovative products in the sector of specialty chemicals. BYK Additives & Instruments employs around 1,200 people worldwide, 25% of whom work in research and development departments or technical laboratories.

Source: ALTANA


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