[Retracted] Process Optimization for Development of Guar Gum-Based Biodegradable Hydrogel Film Using Response Surface Methodology

Figure 2

(a) Combined effects of initiator and crosslinker on color difference at the optimum value of plasticizer concentration (2.88  mL/100  mL GS). (b) Combined effects of initiator and plasticizer concentration on color difference at the optimum value of crosslinker (0.02  mg/100  mL GS). (c) Combined effects of crosslinker and plasticizer concentration on color difference at the optimum value of initiator (0.15  mg/100  mL GS).

(a)

(b)

(c)