| Title: | Long-term creep compliance of wood polymer composites: using untreated wood fibers as a filler in recycled and neat polypropylene matrix |
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| Authors: | ID Bek, Marko (Author)
ID Aulova, Alexandra (Author)
ID Pušnik Črešnar, Klementina (Author)
ID Matkovič, Sebastjan (Author)
ID Kalin, Mitjan (Author)
ID Slemenik Perše, Lidija (Author) |
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| Files: |  Long-Term_Creep_Compliance_of_Wood_Po-Bek-2022.pdf (5,62 MB)
MD5: 9EE3919B90A92F32162964EB8DA528D1
 https://www.mdpi.com/2073-4360/14/13/2539
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| Language: | English |
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| Work type: | Scientific work |
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| Typology: | 1.01 - Original Scientific Article |
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| Organization: | FS - Faculty of Mechanical Engineering
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| Abstract: | Neat (NPP) and recycled (RPP) polypropylene matrix materials were used to prepare wood–polymer composites with untreated wood fibers up to 40 wt.%. Long-term creep properties obtained through the time-temperature superposition showed superior creep resistance of composites with NPP matrix. In part, this is attributed to their higher crystallinity and better interfacial adhesion caused by the formation of a transcrystalline layer. This difference resulted in up to 25% creep compliance reduction of composites with NPP matrix compared to composites with recycled (RPP) polypropylene matrix, which does not form a transcrystalline layer between the fibers and polymer matrix. Despite the overall inferior creep performance of composites with RPP matrix, from the 20 wt.% on, the creep compliance is comparable and even surpasses the creep performance of unfilled NPP matrix and can be a promising way to promote sustainability. |
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| Keywords: | lesno-polimerni kompoziti, lezenje, vzdržljivost, les, recikliranje, wood–polymer composites, creep, durability, wood, recycling |
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| Publication status: | Published |
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| Publication version: | Version of Record |
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| Submitted for review: | 09.06.2022 |
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| Article acceptance date: | 17.06.2022 |
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| Publication date: | 22.06.2022 |
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| Publisher: | MDPI AG |
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| Year of publishing: | 2022 |
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| Number of pages: | 19 str. |
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| Numbering: | Vol. 14, iss. 13 (2539) |
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| PID: | 20.500.12556/DKUM-82068  |
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| UDC: | 677.017:631.571 |
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| ISSN on article: | 2073-4360 |
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| COBISS.SI-ID: | 113069315 |
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| DOI: | 10.3390/polym14132539 |
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| Copyright: | © 2022 by the authors |
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| Publication date in DKUM: | 16.08.2023 |
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| Views: | 499 |
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| Downloads: | 502 |
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| Metadata: |    |
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| Categories: | Misc.
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