Evaluation of physico-mechanical properties on oil extracted ground coffee waste reinforced polyethylene composite
The current work discusses ground coffee waste (GCW) reinforced high-density polyethylene (HDPE) composite. GCW underwent two types of treatment (oil extraction, and oil extraction followed by mercerization). The composites were prepared using stacking HDPE film and GCW, followed by hot compression...
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| Main Authors: | , , , |
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| 格式: | Article |
| 語言: | English |
| 出版: |
MDPI
2022
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| 主題: | |
| 在線閱讀: | http://eprints.utm.my/103857/1/MohamadZakiHassan2022_EvaluationofPhysicoMechanicalProperties.pdf http://eprints.utm.my/103857/ http://dx.doi.org/10.3390/polym14214678 |
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| 總結: | The current work discusses ground coffee waste (GCW) reinforced high-density polyethylene (HDPE) composite. GCW underwent two types of treatment (oil extraction, and oil extraction followed by mercerization). The composites were prepared using stacking HDPE film and GCW, followed by hot compression molding with different GCW particle loadings (5%, 10%, 15% and 20%). Particle loadings of 5% and 10% of the treated GCW composites exhibited the optimum level for this particular type of composite, whereby their mechanical and thermal properties were improved compared to untreated GCW composite (UGC). SEM fracture analysis showed better adhesion between HDPE and treated GCW. The FTIR conducted proved the removal of unwanted impurities and reduction in water absorption after the treatment. Specific tensile modulus improved for OGC at 5 vol% particle loading. The highest impact energy absorbed was obtained by OGC with a 16% increment. This lightweight and environmentally friendly composite has potential in high-end packaging, internal automotive parts, lightweight furniture, and other composite engineering applications. |
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