This paper deals with performances ahd application of crosslinking extrusion foamed polypropylene, it is shown that developing of foamed PP is bright.
2
本发明公开了一种环保型微发泡聚丙烯板材及其制备方法，属高分子材料领域。
The invention discloses an environment-protecting micro-foaming polypropylene sheet and a preparation method thereof, belonging to the field of polymer materials.
3
飞行器以发泡聚丙烯为主体，在其背部与两个升降舵补助翼（可以操控的界面）上有一个电动机。
The flying robots were built out of expanded polypropylene with a single motor at the rear and two elevons (control surfaces that enable steering).
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