| 摘要 |
PURPOSE:To simultaneously satisfy the heat-resistant stability and discoloration resistance of a polyolefin resin after irradiated with radiations. CONSTITUTION:100 pts.wt. of a polyolefin resin is compounded with 0.001-1 pt.wt. of 3,9-bis[2-{3-t-butyl-4-hydroxy-5-methylphenyl)propionyloxy}-1,1- dimethylethyl]-2,4,8,10-tetraoxaspiro[5, 5]undecane. |
