Separation of Multi-Material Polymer Combinations Produced by Joining Using Pin-like Structures

نویسندگان

چکیده

In industrial applications, multi-material joints are becoming increasingly important to achieve a sustainable and resource-saving production. Not only high mechanical properties during the component use have be given, but also possibilities separate joint after end of life crucial. The recycling re-use materials plays an increasing role in process chain. Conventional can separated by cutting out joining zone, solvents, or thermal degradation. However, these methods result loss material, damage base energy consumption. Therefore, novel desirable, such as using pin-like structures. potential this method for adhesion incompatible has been demonstrated previous studies. This paper studies separability connections. between polyamide 66 (PA66) polypropylene (PP) well PA66 polymethylmethacrylate (PMMA) investigated means separation shredding with subsequent sorting density difference materials. components were analytical (including dissolution tests, viscosity number analysis, Fourier-transform infrared spectroscopy) respect varietal purity possible degradation effects. It could shown that allows complete into its individual without material residues loss. For separation, PP PMMA detected pin gaps PA66. both methods, influence on due effects excluded. stated structures vibration welding technology offers production recyclability.

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ژورنال

عنوان ژورنال: Journal of manufacturing and materials processing

سال: 2022

ISSN: ['2504-4494']

DOI: https://doi.org/10.3390/jmmp6010013