| abstract |
Coating for application to a substrate, In which the coating contains at least one thermoplastic fluoroplastic and at least one thermoplastic polycondensate which has a greater hardness than the fluoroplastic and comprises polyaryletherketone, and has an upper continuous service temperature of at least 200 ° C., In which the thermoplastic polycondensate is resistant to hydrolysis and is resistant to hot steam up to at least 130 ° C., In which the hardness of the coating decreases continuously from the first surface intended for application to the substrate in the direction of the second surface remote from the substrate, In which the concentration of the thermoplastic polycondensate continuously increases in the direction of the first surface of the coating, - In which the first surface facing bottom layer of the coating has the lowest proportion and the top layer has the highest content of fluoroplastic. |