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It is shown that all water soluble amphiphilic compounds like surfactants, polymers, block copolymers and proteins bind strongly to clay particles in water. On saturation, the clays bind up to the multifold weight of the additives of their own weight. Prior to saturation some amphiphilic compounds form precipitates with the clays while others do not. The soluble clay–amphiphile complexes do not lower...
Hydrophobin coated boehmite nanoparticles have been used to establish tooth-paste like, homogenous emulsions. The surface-modified nanoparticles were simply obtained by mixing aqueous solutions of cationic boehmite particles with the anionic hydrophobin H Star Protein B® (HPB). Surface tension measurements clearly show that 1wt.% boehmite binds up to 1wt.% HPB. The strong interaction and aggregation...
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