| 摘要 |
PURPOSE:To obtain the title composition having excellent thermal oxidation stability and light stability by blending a composition comprising a polyolefin and an inorganic filler with a specific phenolic antioxidant and a specific compound. CONSTITUTION:(A) A composition comprising 100 pts.wt. polyolefin and 1-100 pts.wt. inorganic filler is blended with (B) 0.01-1 pt.wt. phenolic antioxidant such as tetrakis[methylene 3-(3,5-di-tertiary butyl-4-hydroxyphenyl) propionate]methane, 2,2-thio-diethylenebis[3-(3,5-di-tertiary butyl-4-hydroxyphenyl) propionate] or triethylene glycol-bis[3-(3-tertiary butyl-5-methyl-4-hydroxyphenyl) propionate] and (C) 0.01-1 pt.wt. compound shown by formula I and/or formula II (R1 is 7-17C alkyl, etc.; R2 is H or acyl; R3 is 8-18C alkyl, etc.; m+n=2-10) to give the aimed composition. |
