Fiber reinforced structural material from the waste of a multilayer food packaging film: Interactions, structure, properties

IF 8.1 2区材料科学 Q1 ENGINEERING, MANUFACTURING Composites Part A: Applied Science and Manufacturing Pub Date : 2025-03-02 DOI:10.1016/j.compositesa.2025.108821

Imre Romsics , Róbert Várdai , Emese Pregi , Gábor Faludi , Nóra Hegyesi , János Móczó , Béla Pukánszky

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Abstract

A multilayered packaging film consisting of three polyamides (PA), a polyethylene (PE) and a maleated polyethylene (MAPE) component acting as adhesive layer was reprocessed into glass fiber reinforced composites by chopping the waste, compounding and injection molding. The polyamides are miscible or at least develop strong interactions with each other, and PE and MAPE also form a homogeneous phase. The mediocre properties of the blend could be upgraded by the addition of glass fibers. The fiber covered with a sizing optimized for commodity polymers is embedded in polyethylene, thus it develops weak interactions with the PA matrix. The fiber having a sizing optimized for PA adheres strongly to the PA matrix resulting in efficient stress transfer and large strength. The property profile of the reprocessed material is in the range of commercial fiber reinforced PA composites and its price is very competitive.

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来源期刊

Composites Part A: Applied Science and Manufacturing 工程技术-材料科学：复合

CiteScore

15.20

自引率

5.70%

发文量

492

审稿时长

30 days

期刊介绍： Composites Part A: Applied Science and Manufacturing is a comprehensive journal that publishes original research papers, review articles, case studies, short communications, and letters covering various aspects of composite materials science and technology. This includes fibrous and particulate reinforcements in polymeric, metallic, and ceramic matrices, as well as 'natural' composites like wood and biological materials. The journal addresses topics such as properties, design, and manufacture of reinforcing fibers and particles, novel architectures and concepts, multifunctional composites, advancements in fabrication and processing, manufacturing science, process modeling, experimental mechanics, microstructural characterization, interfaces, prediction and measurement of mechanical, physical, and chemical behavior, and performance in service. Additionally, articles on economic and commercial aspects, design, and case studies are welcomed. All submissions undergo rigorous peer review to ensure they contribute significantly and innovatively, maintaining high standards for content and presentation. The editorial team aims to expedite the review process for prompt publication.