Figure 4
From: Crystallization and hardening of poly(ethylene-co-vinyl acetate) mouthguards during routine use
Solid-state CP/MAS 13C NMR spectra of (a) EVA9, (b) EVA14, and (c) EVA28. Samples: unannealed (black), annealed at 60 °C (red), annealed at 80 °C (green), and annealed at 100 °C (blue).
