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27 天
聚丙烯 | PP表面刮擦行为机理与提升耐刮擦性方案
聚丙烯(PP)具有密度低、力学性能优良、易 于加工和回收、吸水率低及性价比高等优点,广泛应用于汽车工业。但是PP表面硬度低,耐刮擦性差,很小的应力就能在材料表面形成划痕。这些划痕既破坏了制品的外观,又容易导致应力集中,造成制品强度降低和使用 ...
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