| 摘要 |
Polyamide moulding compsns. contain as stabiliser 0.01-5% of (a) cyclohexanone oxime; (b) a phenyl hydrazine deriv. of formula (I), or (c) an imidazolin-2-one deriv. of formula (II): In the formulae, R1=H, 1-4C alkyl, -OCH3, -NO2, -CN, or -Cl; R2 = H or R3 = p- or m-phenylene; m = 0 or 1 = n; and X is O or S. The compsns. are stabilised against degradation by heat, O2 and radiation. They can be injection- or extrusion moulded. |
