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. 2017 Sep 8;9(9):430. doi: 10.3390/polym9090430

Figure 1.

Figure 1

The molecular structure and unit cells of the established models. (a) chemical structures of DGEBA and one curing agent; (b) structure of pure EP model after curing; (c) spherical structure of one SiO2 particle with a diameter of 10 nm; (d) 3D crosslinking structure of SiO2/EP; (e) structure of one SiO2 particle with surface modification at a grafting ratio of 5%; (f) structure of one SiO2 particle with surface modification at a grafting ratio of 10%; (g) 3D crosslinking structure of SiO2–5%/EP; (h) 3D crosslinking structure of SiO2–10%/EP.