Abstract

A comprehensive study of the physicochemical properties of the created biomedical composite material “Ti-Nb-Ta-Zr with a surface polymer layer” was carried out. The polymer film does not in any way affect the radiopacity of the base material. All materials obtained are radiopaque. X-ray diffraction analysis of polyglycolide lactide (PGLA) samples with molecular weights of 45, 90, 180 kDa showed that the polymers have a completely amorphous structure. On samples with a 40-μm-thick PLA-based coating bare-metal zones are observed, which substantiate anode effects in the potential range of more than 1000 mV.

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