The Influence of Glass Fiber/Glass Fiber Powder with β-Nucleating Agent on the Properties of Polypropylene

IF 3.4 4区 化学 Q2 POLYMER SCIENCE International Journal of Polymer Science Pub Date : 2023-03-27 DOI:10.1155/2023/1240792
Peng Yan, Shaoran Kang, Lebo Ma
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Abstract

Glass fiber-reinforced polypropylene (PP/GF) has been widely used due to its high stiffness, but for some applications that need low-module characteristics, PP/GF will have limitations due to its lower toughness, so it is necessary to develop glass fiber-modified polypropylene with good stiffness–toughness balance performance. In this study, two average length glass fibers (4.5 mm and 12 mm) and glass fiber powder, combined with β-nucleating agent, were used to investigate the effects on the crystallization and mechanical properties of polypropylene. The results show that compared with glass fiber, glass fiber powder cooperates with β-nucleating agent reinforced polypropylene composite showed good stiffness–toughness balance performance, and β-crystals were found in the composite measured by Differential Scanning Calorimetry (DSC), the presence of β-crystals can improve the toughness of the composite.
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含β成核剂的玻璃纤维/玻璃纤维粉末对聚丙烯性能的影响
玻璃纤维增强聚丙烯(PP/GF)由于其高刚度得到了广泛的应用,但对于一些需要低模量特性的应用,PP/GF由于其较低的韧性会受到限制,因此有必要开发具有良好刚度-韧性平衡性能的玻璃纤维改性聚丙烯。本研究采用两种平均长度的玻璃纤维(4.5 mm和12 mm)和玻璃纤维粉,结合β-成核剂,研究了对聚丙烯结晶和力学性能的影响。结果表明:与玻璃纤维相比,玻璃纤维粉与β-成核剂协同增强聚丙烯复合材料表现出良好的刚度-韧性平衡性能,差示扫描量热法(DSC)测定的复合材料中存在β-晶体,β-晶体的存在可以提高复合材料的韧性。
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来源期刊
CiteScore
6.10
自引率
0.00%
发文量
55
审稿时长
>12 weeks
期刊介绍: The International Journal of Polymer Science is a peer-reviewed, Open Access journal that publishes original research articles as well as review articles on the chemistry and physics of macromolecules.
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