基于pom的钛金属注射成型原料粘结剂体系中聚合物组分的相互作用

IF 1.9 4区 材料科学 Q2 METALLURGY & METALLURGICAL ENGINEERING
K. Lim, M. Hayat, Kumarmani Jena, Wen Zhang, Lu Li, Pengtao Cao
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引用次数: 0

摘要

由于每种聚合物的不同特性,获得均匀的金属注射成型(MIM)原料混合物是具有挑战性的。因此,研究聚合物组分之间的相互作用对于获得合适的MIM原料至关重要。我们报告了不同的增容剂- EGMA和E40 -对聚甲醛(POM)和聚丙烯(PP)共混物相互作用的影响。我们测量了接触角,并进行了傅里叶变换红外光谱和原子力显微镜分析,以确定合适的相容剂,从而产生具有优异性能的原料。结果表明,与E40相比,以EGMA-3为粘结剂的POM/PP共混体系的接触角最小,混相最好。这种增强的相互作用在于EGMA的化学性质,它有一个活性位点,可以降低POM/PP共混物组分之间的界面张力。随后,这在聚合物和金属粉末之间产生了积极的相互作用,确保了原料内的良好附着力。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Interactions of polymeric components in a POM-based binder system for titanium metal injection moulding feedstocks
ABSTRACT Owing to the different characteristics of each of the multiple polymers, obtaining a homogenous metal injection moulding (MIM) feedstock blend is challenging. Therefore, studying interactions between the polymeric components is vital for achieving suitable MIM feedstocks. We report on the effects of different compatibilisers – EGMA and E40 – on the interactions in polyoxymethylene (POM) and polypropylene (PP) blends. We measured contact angles and performed Fourier transform infrared spectroscopy and atomic force microscopy analyses to identify the suitable compatibiliser that yields a feedstock with excellent properties. It was found that the binder system based on EGMA-3 demonstrates the lowest contact angle and best miscibility for the POM/PP blends compared to E40. This enhanced interaction lies in the chemistry of EGMA, having an active site that reduces the interfacial tension between the components of the POM/PP blend. Subsequently, this creates a positive interaction between the polymers and metal powders, ensuring good adhesion within the feedstock.
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来源期刊
Powder Metallurgy
Powder Metallurgy 工程技术-冶金工程
CiteScore
2.90
自引率
7.10%
发文量
30
审稿时长
3 months
期刊介绍: Powder Metallurgy is an international journal publishing peer-reviewed original research on the science and practice of powder metallurgy and particulate technology. Coverage includes metallic particulate materials, PM tool materials, hard materials, composites, and novel powder based materials.
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