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Polyelectrolytes and polyelectrolyte complexes as smart and functional coatings

Schwarz S., Mihai M., Mende M., Petzold G., Genest S., Simon F., Frenzel R.

Farby i Lakiery

2015

nr 6

8--9

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 particles, stable dispersions, and surfaces with well defined cationic/anionic charges or a certain hydrophilic/hydrophobic balance.

Rheological properties and stability behaviour of dispersions

Schwarz S., Mende M.

Farby i Lakiery

2013

nr 1

12--18

Along with titanium oxides and alumina hydroxides calcium carbonates and china clays are the most important coating pigments in paper and coating industry. They are the main ingredients in coating colours and due to commercial reasons the solid content of such dispersions has to be as high as possible. In high solid dispersions particle particle interaction and interaction between particles and other ingredients differ considerable from the behaviour in dilute state and hence the storage stability of the dispersion could be strongly influenced. Storage stability and sedimentation velocity, respectively, of china clay dispersions were investigated by centrifugal separation analysis related to the rheological behaviour in dependence on solid concentration.

Nie powinny być w cieniu [instalacje fotowoltaiczne]

Schwarz S., Bursian S.

Świat Szkła

2011

R. 16, nr 6

30-33