The literature shows that the stability of TPU is mainly linked to the long polyol one . The main thermo-oxidative degradation mechanisms are similar to those of TPO . Thus, the mechanisms for restricting these phenomena are equivalent, including the use of primary antioxidants as radical scavengers. Then, for the TPU, only the best antioxidants (selected from the previous study with TPO) will be studied i.e., Irganox 1076 and resveratrol.