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Investigation of polymerization of benzoxazines and thermal degradation characteristics of polybenzoxazines via direct pyrolysis mass spectrometry

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Academic year: 2021

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Figure 1. (a) TIC curves and (b–d) mass spectra at selected temperatures recorded during the curing and pyrolysis of Ph-m, Ph-a, BA-m and BA-a.
Figure 2. (a) TGA and (b) TIC curves and (c, d) mass spectra recorded during the pyrolysis of PBA-m.
Figure 3. Evolution profiles of some diagnostic products detected during the pyrolysis of PBA-m.
Figure 5. Evolution profiles of some diagnostic products detected during the pyrolysis of PPh-a.
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