[Retracted] Preparation and Properties of HGBTPU Composite Foam for Football Protection

<div>Infrared spectra of HGB before and after KH550 treatment. (a) The infrared spectrum of HGB without KH550 treatment. (b) The infrared spectrum of HGB after KH550 treatment.</div>

Advances in Materials Science and Engineering

fig7

Figure 7

Figure 7: [Retracted] Preparation and Properties of HGBTPU Composite Foam for Football Protection 