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Modification properties of polyelectrolytes and polyelectrolyte complexes (mixtures of polycation and polyanion) on different kinds of surfaces have been investigated in dispersion of particles or on different planar surfaces, like glass plates or wood. It was shown that the adsorption of polyelectrolytes on surfaces leads to a many applications in working fields like high solids, cationic modified...
The requirements for the performance of 2-pack polyurethane clear coatings are increasing constantly: In many high performance applications the use of nanosized silica particles is an answer to these demands.2-pack polyurethane coatings can be formulated by using polyols with various chain length and oh-values and different isocyanate crosslinker to create different mechanical properties.by adding...
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