Poly (phthalazinone ether sulfone) (PPES) with 1:1 and 1:3 ratios of bisphenol A (BPA) unit to phthalazinone unit were selected as samples. Polymer precipitatio
The ceramic coating was formed by using microarc oxidation (MAO) in the electrolytic solution ofβ-Glycerophosphate sodium salt pentahydrate (β-GP) and calcium