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. 2023 Feb 13;15(4):934. doi: 10.3390/polym15040934

Figure 7.

Figure 7

SEM images of the (a,b) optimized composites that showed proper adhesion and cross-linking of TiO2 nanoparticles, (c) while aggregation caused voids and improper adhesion that caused lower strength. (d) Fracture image of the TiO2-UP composite.