Figure 7

Infrared spectra of different PVA/SA hydrogel and OPCs-PVA/SA hydrogels. (a, b) show TG and DTG curves of OPCs-PVA/SA hydrogels with different mass concentrations, respectively.
Infrared spectra of different PVA/SA hydrogel and OPCs-PVA/SA hydrogels. (a, b) show TG and DTG curves of OPCs-PVA/SA hydrogels with different mass concentrations, respectively.