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Fig. 3 | Biomaterials Research

Fig. 3

From: Characterisation of a novel poly (ether ether ketone)/calcium sulphate composite for bone augmentation

Fig. 3

SEM images of 20%PEEK/80%CS specimens after ageing in PBS media for (a) 7 Days, (b) 14 Days and (c) 21 Days. (d) XRD diffraction patterns between 2θ values of 5 o and 60 o of PEEK and CSH (CaSO4.0.5H2O) starting powders, and powdered 20%PEEK/80%CS specimens after heat treatment prior to ageing (0 Days), and after 7 Days, 14 Days and 21 Days of ageing. An XRD pattern for PEEK from the literature confirmed the crystal structure of the polymer (•, see [30]). ICDD patterns matching CSH (CaSO4.0.5H2O) (, ICDD pattern 01-081-1448), CSA (CaSO4) (, ICDD pattern 01-070-0909) and CSD (CaSO4.2H2O) (, ICDD pattern 00-033-0311) (CaSO4.0.5H2O, CaSO4 and CaSO4.2H2O phases respectively) are also provided to aid in CS phase identification

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