Study on tribological properties of the DV–FV polyarylate system

Tribological properties of two fully compatible polyarylates having similar chemical structures and different kinetic chain flexibilities have been studied. During the processing and forming the polyarylates, a polymer mixture system containing the copolymer has been formed. It is shown that the formation of the DV?FV polymer system by mixing the “flexible” and “rigid” polyarylates leads to a sharp increase in the glass transition temperature and to a more complicated mechanism of friction characterized by a specific structure of the transfer products. It leads to the formation of metal-polymer system on the counterbody surface. This works provides the possibility to control the tribological properties of polymer mixtures.