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http://hdl.handle.net/1942/34528
Title: | The Influence of Mechanical Recycling on Properties in Injection Molding of Fiber-Reinforced Polypropylene | Authors: | EVENS, Tim BEX, Gert-Jan Yigit, M. DE KEYZER, Jozefien Desplentere, F. VAN BAEL, Albert |
Issue Date: | 2019 | Publisher: | Source: | INTERNATIONAL POLYMER PROCESSING, 34 (4) , p. 398 -407 | Abstract: | Due to higher mechanical demands on technical parts, the application of short fiber reinforced thermoplastics for injection molding is strongly increasing. Therefore, more attention needs to be paid to the optimization of their recycling processes. Mechanical shredding of thermoplastics into granules is a common recycling method within polymer industries. The breaking of polymer chains and reinforcing fibers during this process may affect the material properties. This study presents the effect of ten recycling sequences on four different materials: polypropylene, glass fiber filled polypropylene, carbon fiber filled polypropylene and flax fiber filled polypropylene. Tests indicate that recycling has a negative influence on most of the mechanical properties. Polypropylene without fibers forms an exception as it does not exhibit any significant change in material properties. Glass fiber and carbon fiber reinforced polypropylene show a decrease in stiffness and tensile strength during the recycling steps. The impact strength of carbon and flax fiber reinforced polypropylene increases whereas that of glass fiber reinforced polypropylene decreases. | Document URI: | http://hdl.handle.net/1942/34528 | ISSN: | 0930-777X | e-ISSN: | 2195-8602 | DOI: | 10.3139/217.3770 | ISI #: | WOS:000484002800002 | Category: | A1 | Type: | Journal Contribution |
Appears in Collections: | Research publications |
Files in This Item:
File | Description | Size | Format | |
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Accepted_Version.pdf | Peer-reviewed author version | 1.87 MB | Adobe PDF | View/Open |
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