For adhesives based on carboxylated-SBR (X-SBR) latex, a universal stabilization
system is a mixture 2 antioxidants in the ratio 1:1. This combination shows good
synergism, preventing discoloration (Figure 1) and retention of tack properties
(Figure 2) during aging.
Figure 1 : Yellowness Index of X-SBR Films During Oven
Aging at 135°C
Figure 2 : Polyken Probe Tack of X-SBR Films After Oven
Aging at 70°C