Antifouling Technology of Polished Porcelain Floor Tile
The antifouling principle of polished porcelain floor tiles is to use the solid surface modified principle. That is to change the structure and properties of the solid surface by the use of solid surface adsorption characteristics and various surface treatments. The antifouling substance is surface active material. After the surface modification, there will be an adsorbed film formed in the surface layer of the tile. That film has a hydrophobic nature so that the glazed porcelain tile shows antifouling effect. Currently, due to their low surface tension, excellent weather resistance, durability and chemical reactivity, organosilicone and fluorine-containing polymer have a wide range of applications in the polished tiles antifouling field.
Antifouling Technology of Waxes, Organic Coating, and Hydrophobic Surface Active Agent
Waxes and organic coating are more commonly used polished porcelain tile surface antifouling treatment agent, but the results have been unsatisfactory. Waxing is antifouling, but the wax surface tension is large, which is maintained only for a short time on the tile surface, and the wax is a coating material, a gas-impermeable sealant. Finish a wax, the outside water and moisture cannot enter the tile interior, which isolates the water vapor, offering excellent antifouling effect. However the wax is exposed in the air and sun for a long time, prone to turning yellow, and the wax film is easy to wear, suffering from short-lived antifouling effect. Also the wax itself is vulnerable to pollution. Because dust and other small particles will embed in the wax forming wax dirt, cleaning of the porcelain tile is inconvenient. Thus, waxing is not a good anti-pollution measure. In addition, the organic coating affects the gloss of the polished porcelain surface. Hydrophobic surface active agent enjoys low surface tension. Micromolecule hydrophobic surface active agent contains stearic acid, palmitic acid, oleic acid, naphthenate, water-soluble salts of the mixtures, rosin acids, and their alkali water soluble salt. Its surface tension is large, in between 30 to 40mN/M. Porcelain tiles with this type of surface treatment will adsorb the angent and form a thin hydrophobic layer, with a certain degree of antifouling effect, but since that layer only adsorbs on the surface unstably, it easy to fall off and lose antifouling efficacy impacted by external force or the flow. So its durability and antifouling efficiency is not good enough.
Antifouling Technology of Organosilicone
The ability of the surface energy of polished ceramic tiles surface treatment agent is a very important factor in the tile surface antifouling properties. A low surface energy can prevent the adsorption of dust, micro-organisms, the aqueous material, and particles, etc. Under external force they are easy to desorb. Organosilicone enjoys low surface tension, which can be as low as 21 ~ 22mN/M and is more desirable and widely applied polished tile surface waterproof antifouling treatment agent. Organosilicone antifouling treatment principle is different from the commonly used surface treating agent. Organosilicone surface antifouling treating agent generates a layer of a few molecules thick insoluble hydrophobic resin film on the surface of the tiles from a chemical reaction with the structural material. It not only has hydrophobic anti-stick properties, but also keeps the tiles normal breathable effect. Tiles treated by organosilicone surface are keeping clean, non-stick dust, easy to clean, durable for scrubbing, and more and more welcomed by ceramic tile manufacturer and customer.