Shin-ichi Yachigo, M. Sasaki, F. Kojima
1992
Citations
0
Influential Citations
25
Citations
Journal
Polymer Degradation and Stability
Abstract
Abstract 3,9-Bis(2-(3-(3-tert-butyl-4-hydroxy-5-methylphenyl)propionyloxy)-1, 1-dimethylethyl)-2,4,8,10-tetraoxaspiro[5.5] undecane (Sumitomo's new antioxidant: Sumilizer GA-80) is shown to have a very effective synergistic stabilizing effect in combination with thiopropionate type antioxidants. For synergistic stabilization, association of phenolic antioxidants with thiopropionate type antioxidants through hydrogen bonding is shown, by IR analyses and estimation of association equilibrium constant of a model system, to be an important factor.