| 摘要 |
<p>Polyamide moulding compositions containing 10% or more by weight of magnesium hydroxide as flame-retardant are stabilised against formation of a poor surface in the article produced on moulding. For this purpose, an aryl sulphonamide, whose sulphonamide group is of the formula -SO2NR1R2, where R1 and R2 represent H or an alkyl group, is included in them.</p> |
