| 摘要 |
Self-extinguishing polyolefin compositions consisting of: (1) from 52 to 96.55% by weight of at least one olefin polymer or copolymer; (2) from 3 to 30% by weight of a nitrogenous compound selected from amongst 1,3,5-triazines, urea and dicyandiamide; (3) from 0.3 to 3% by weight of a free-radical promoting compound selected from amongst 2,3-dimethyl-2,3-diphenylbutane and 2,3-dimethyl-2,3-diphenyl-hexane; (4) from 0.15 to 15% by weight of a compound of formula (R1-S)nR3 or (II) R2=S, (I) wherein R1 and R2 are imidazol, uracyl, alkyleneurea or benzotriazol radicals, R3=H, or a metal of Group II (A) or (B), or aluminum.
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