Effect of various organic fibers on the stiffness, strength and impact resistance of polypropylene; a comparison,Polymer International

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Effect of various organic fibers on the stiffness, strength and impact resistance of polypropylene; a comparison
Polymer International ( IF 2.9 ) Pub Date : 2020-08-25 , DOI: 10.1002/pi.6105
Róbert Várdai _{1,

2} , Milán Ferdinánd _{1,

2} , Thomas Lummerstorfer ₃ , Claudia Pretschuh ₄ , Michael Jerabek ₃ , Markus Gahleitner ₃ , Gábor Faludi _{1,

2} , János Móczó _{1,

2} , Béla Pukánszky _{1,

2}

Affiliation

Composites were prepared from a polypropylene homopolymer and four types of organic fibers, wood, flax, poly(ethylene terephthalate) (PET) and poly(vinyl alcohol) (PVA). Mechanical properties were studied by tensile and impact testing, and structure by scanning electron microscopy. Local deformation processes were followed by acoustic emission testing. Composite strength changes in a wide range and depends on coupling. The deformability of the composites also varies considerably, more plastic deformation occurring in composites prepared with the PET and PVA fibers. Compared to traditional stiff fibers, fracture resistance can be improved significantly with PET and PVA fibers; impact strength as large as 30 kJ m^–2 can be achieved with PVA. © 2020 The Authors. Polymer International published by John Wiley & Sons Ltd on behalf of Society of Industrial Chemistry.

中文翻译：

各种有机纤维对聚丙烯的刚度，强度和抗冲击性的影响；一个对比

由聚丙烯均聚物和四种类型的有机纤维（木材，亚麻，聚对苯二甲酸乙二醇酯（PET）和聚乙烯醇（PVA））制成复合材料。通过拉伸和冲击测试研究了机械性能，并且通过扫描电子显微镜研究了结构。局部变形过程之后进行声发射测试。复合强度在很大范围内变化，并取决于耦合。复合材料的可变形性也有很大的变化，在用PET和PVA纤维制备的复合材料中会发生更多的塑性变形。与传统的硬质纤维相比，PET和PVA纤维可显着提高抗断裂性。PVA可以实现高达30 kJ m ^–2的冲击强度。©2020作者。聚合物国际 由John Wiley＆Sons Ltd代表工业化学协会出版。

更新日期：2020-08-25

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