| 摘要 |
<p>The invention relates to a method for producing extruded polystyrene foam (XPS) moulded pieces provided with insecticide, comprising the following steps: (a) heating polystyrene (PS) to form a polymer melt, (b) introducing a blowing agent into the polymer melt to give a foamable melt and (c) foaming the foamable melt to give an XPS moulded piece, wherein in at least one of the steps (a) and/or (b), at least one insecticide from the group of phenylpyrazoles, chlorfenapyr and hydramethylnon is introduced into the melt.</p> |
