车用聚丙烯复合材料线性膨胀系数的研究
Modern Plastics Processing and Applications(2013)
Abstract
研究了无机填料和弹性体对于聚丙烯(PP)复合材料线性膨胀系数(CLTE)的影响。结果表明,较小粒径、较高长径比的无机填料以及较高熔体流动速率、较小碳原子数的弹性体对于降低复合材料的CLTE效果显著,弹性体和无机填料沿熔体流动方向(FD)取向是导致PP复合材料CLTE值各向异性的主要原因。
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Key words
dimensional stability,elastomer,inorganic filler,coefficient of linear thermal expansion,polypropylene
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