摘要:
The invention relates to a composition comprising at least one hydrophilic, inorganic powder (P) having an average particle size of between 15 and 500 μm, and at least one hydrophobic, thermoplastic substance (T) which is characterised by a surface tension of between 20 and 50 mN/m. The weight ratio of the hydrophilic, inorganic powder to the hydrophobic, thermoplastic substance P:T is between 50:1 and 1:2.
摘要:
The invention relates to a method for surface-coating apparatuses and parts of apparatuses for the construction of chemical installations, for example apparatus, container and reactor walls, discharging devices, fittings, pumps, filters, compressors, centrifuges, columns, heat exchangers, dryers, reducing machines, built-in parts, packing and mixing mechanisms. The method is characterised in that bumps with an average height of 100 nm to 50 νm are produced on the surface to be coated, at average intervals of 100 nm to 100 νm, before the surface is coated by currentlessly depositing a layer of metal or a layer of a metal-polymer-dispersion using a galvanisation bath containing a metal electrolyte, a reduction agent and optionally, a polymer or polymer mixture to be deposited, in dispersed form.
摘要:
The invention relates to a method for the production of structured surfaces with high hydrophilicity, characterised in that the surfaces are coated with a) particles with a mean diameter (number mean) in the range of 0.1 to 10 µm and b) particles with a mean diameter (number mean) in the range of 5 nm to 0.5 µm and a surface energy at 20 °C of greater than or equal to 100 mN/m.
摘要:
The invention relates to a hydrophilic composite material containing constituents A, B and optionally C. According to the invention, A represents a substance which has good swelling properties when mixed with water; B represents a substance which forms a porous structure or has a porous structure, constituent A being received in the pores of said porous structure; and C represents a binding agent.
摘要:
The invention relates to a hydrophilic composite material containing constituents A, B and optionally C. According to the invention, A represents a substance which has good swelling properties when mixed with water; B represents a substance which forms a porous structure or has a porous structure, constituent A being received in the pores of said porous structure; and C represents a binding agent.
摘要:
The invention relates to a method for rendering surfaces resistant to soiling. The method is characterized in that the surfaces are coated with particles, which have an average diameter ranging from 3 nm to 5 νm and which are comprised of a material that has a surface energy of at least 20 mN/m.