保险杠材料PP-T-EPDM复合泡沫的细胞形态及力学性能研究

IF 16.4 1区化学 Q1 CHEMISTRY, MULTIDISCIPLINARY

Accounts of Chemical Research Pub Date : 2023-01-23 DOI:10.1177/02624893231151363

S. Yetgin, H. Unal

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引用次数: 0

摘要

在本研究中，使用通用注塑机制备了聚丙烯基泡沫复合材料。将化学发泡剂以1重量%和2重量%的比例添加到纯聚丙烯（PP）聚合物、滑石填充聚丙烯（PP-T）复合材料和滑石填充聚丙烯/乙烯-丙烯-二烯共混物（PP-T-EPDM）复合材料中。研究了发泡剂含量对纯聚丙烯聚合物和聚丙烯复合材料力学性能和泡沫性能的影响。结果表明，随着化学发泡剂含量的增加，发泡剂的拉伸强度、拉伸模量、冲击强度、硬度、泡孔直径、泡沫密度和粘度值以及表层厚度均降低，而体积膨胀率增加。

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A study of the cell morphology and mechanical properties of bumper material PP-T-EPDM composite foam

In this study, cellular polypropylene based composite foams were prepared using an universal injection moulding machine. The chemical foaming agent was added to neat polypropylene (PP) polymer, talc filled polypropylene (PP-T) composite and talc filled polypropylene/ethylene-propylene-diene blend (PP-T-EPDM) composite materials at the ratio of 1% and 2% by weight. The influence of foaming agent content on the mechanical and cellular properties of both neat PP polymer and PP composites was investigated. The results showed that the tensile strength, tensile modulus, impact strength, hardness, cell diameter, foam density and viscosity values and skin layer thickness decreased while volume expansion ratio increased with the increment in chemical blowing agent content.

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来源期刊

Accounts of Chemical Research 化学-化学综合

CiteScore

31.40

自引率

1.10%

发文量

312

审稿时长

2 months

期刊介绍： Accounts of Chemical Research presents short, concise and critical articles offering easy-to-read overviews of basic research and applications in all areas of chemistry and biochemistry. These short reviews focus on research from the author’s own laboratory and are designed to teach the reader about a research project. In addition, Accounts of Chemical Research publishes commentaries that give an informed opinion on a current research problem. Special Issues online are devoted to a single topic of unusual activity and significance. Accounts of Chemical Research replaces the traditional article abstract with an article "Conspectus." These entries synopsize the research affording the reader a closer look at the content and significance of an article. Through this provision of a more detailed description of the article contents, the Conspectus enhances the article's discoverability by search engines and the exposure for the research.