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. 2021 Jan 18;13(2):296. doi: 10.3390/polym13020296

Figure 4.

Figure 4

Fourier Transform Infrared Spectroscopy (FTIR) spectra of five epoxy systems with different contents of GA before and after curing. The curing condition is 100 °C for 2 h and then 150 °C for 6 h.