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Long-Term Creep Compliance of Wood Polymer Composites: Using Untreated Wood Fibers as a Filler in Recycled and Neat Polypropylene Matrix
| Content Provider | MDPI |
|---|---|
| Author | Klementina, Pušnik Črešnar Sebastjan, Matkovič Lidija, Slemenik Perše Bek, Marko Aulova, Alexandra Kalin, Mitjan |
| Copyright Year | 2022 |
| Description | 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. |
| Starting Page | 2539 |
| e-ISSN | 20734360 |
| DOI | 10.3390/polym14132539 |
| Journal | Polymers |
| Issue Number | 13 |
| Volume Number | 14 |
| Language | English |
| Publisher | MDPI |
| Publisher Date | 2022-06-22 |
| Access Restriction | Open |
| Subject Keyword | Polymers Paper and Wood Wood–polymer Composites Creep Durability Wood Recycling |
| Content Type | Text |
| Resource Type | Article |
