通过热压工艺嵌入 Curaua 纤维的聚丙烯基体:特性研究

IF 2.6 4区 化学 Q3 POLYMER SCIENCE Journal of Polymer Research Pub Date : 2024-08-20 DOI:10.1007/s10965-024-04108-y
Ajay Sharma, R. Venkatesh, Rishabh Chaturvedi, Rakesh Kumar, Pradeep Kumar Khatokar Vivekananda, Vinayagam Mohanavel, Manzoore Elahi Mohammad Soudagar, Sami Al Obaid, Saleh Hussein Salmen
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摘要

传统方法制造的聚合物基复合材料存在空隙、不一致性和产量有限等问题,因此需要采用先进的制造技术来生产聚合物复合材料。热压模塑工艺具有生产复杂形状产品的优点,适用于聚合物复合材料的制造,热塑性聚合物聚丙烯(PP)是汽车部件(包括门板、保险杠和内饰)的原料。在聚丙烯基复合材料中分别加入 0、6、12 和 18% 的碱处理 Curaua 纤维 (ACF),采用热压法,然后施加 100 兆帕的压缩压力。研究了制成的聚丙烯复合材料(如 PP、PP/6% ACF、PP/12% ACF 和 PP/18% ACF)的微观结构、界面强度、弯曲强度、拉伸应力、断裂伸长率和断裂韧性等特性。比较了 ACF 纤维混合物和压缩处理对复合材料性能的影响。微观结构研究表明,ACF 在 PP 基体中的有效分散影响了更好的复合材料性能,PP/18% ACF 复合材料样品具有优异的界面强度、弯曲强度、拉伸应力、断裂伸长率和断裂韧性,其值分别为 9.8 ± 0.1 MPa、79 ± 1 MPa、67 ± 2 MPa、136 ± 2% 和 1.48 MPam0.5。这比不使用 ACF 制备的聚丙烯的特性要高。不过,对 PP 和 ACF 进行热压处理后,界面强度得到了更好的提高。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

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Polypropylene matrix embedded with Curaua fiber through hot compression processing: characteristics study

The conventional method made polymer matrix composites found voids, inconsistency, and limited production reasons advanced fabrication techniques are referred to for polymer composite production. With the benefits of complex shape production, the hot compression moulding process is suitable for polymer composite fabrication, and thermo-plastic polymer grade polypropylene (PP) is the source of automotive components, including door panels, bumpers, and interior trim reasons. The PP based composites are fabricated with alkali-treated Curaua fiber (ACF) as 0, 6, 12, and 18 percentage of its weight (wt%) through hot compression method followed by 100 MPa compression pressure. The fabricated polypropylene composites like PP, PP/6% ACF, PP/12% ACF, and PP/18% ACF characteristics such as microstructure, interfacial strength, flexural strength, tensile stress, elongation at break, and fracture toughness are investigated. The effect of ACF fiber blend and compression processing on the behaviour of composites are compared. Microstructural studies revealed that the ACF is effectively dispersed in the PP matrix influences better composite behaviour, and the composite sample of PP/18% of ACF exploited superior interfacial strength, flexural strength, tensile stress, elongation at break, and fracture toughness, which values are 9.8 ± 0.1 MPa, 79 ± 1 MPa, 67 ± 2 MPa, 136 ± 2%, and 1.48 MPam0.5. It is more than the characteristics of PP prepared without ACF. However, the hot compression processing for PP and ACF found better enhancement in interfacial strength.

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来源期刊
Journal of Polymer Research
Journal of Polymer Research 化学-高分子科学
CiteScore
4.70
自引率
7.10%
发文量
472
审稿时长
3.6 months
期刊介绍: Journal of Polymer Research provides a forum for the prompt publication of articles concerning the fundamental and applied research of polymers. Its great feature lies in the diversity of content which it encompasses, drawing together results from all aspects of polymer science and technology. As polymer research is rapidly growing around the globe, the aim of this journal is to establish itself as a significant information tool not only for the international polymer researchers in academia but also for those working in industry. The scope of the journal covers a wide range of the highly interdisciplinary field of polymer science and technology, including: polymer synthesis; polymer reactions; polymerization kinetics; polymer physics; morphology; structure-property relationships; polymer analysis and characterization; physical and mechanical properties; electrical and optical properties; polymer processing and rheology; application of polymers; supramolecular science of polymers; polymer composites.
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