Preparation and properties of agroforestry wastes biochar/high density polyethylene composites

ZHANG Qingfa; XU Hang; REN Xiajin; LU Wenyu; LIU Haolu; ZHOU Liang; CAI Hongzhen; YI Weiming

doi:10.13801/j.cnki.fhclxb.20200610.004

Volume 38 Issue 2

Feb. 2021

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ZHANG Qingfa, XU Hang, REN Xiajin, et al. Preparation and properties of agroforestry wastes biochar/high density polyethylene composites[J]. Acta Materiae Compositae Sinica, 2021, 38(2): 398-405. doi: 10.13801/j.cnki.fhclxb.20200610.004

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ZHANG Qingfa, XU Hang, REN Xiajin, et al. Preparation and properties of agroforestry wastes biochar/high density polyethylene composites[J]. Acta Materiae Compositae Sinica, 2021, 38(2): 398-405. doi: 10.13801/j.cnki.fhclxb.20200610.004

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Preparation and properties of agroforestry wastes biochar/high density polyethylene composites

doi: 10.13801/j.cnki.fhclxb.20200610.004

ZHANG Qingfa^{1, 2},
XU Hang^{1, 2},
REN Xiajin^{1, 2},
LU Wenyu^{1, 2
,},
LIU Haolu^3
,,
ZHOU Liang^{1, 2
,},
CAI Hongzhen^{1, 2},
YI Weiming^{1, 2
,
,}

1.
School of Agricultural Engineering and Food Science, Shandong University of Technology, Zibo 255000, China
2.
Shandong Research Center of Engineering and Technology for Clean Energy, Zibo 255000, China
3.
Nanjing Institute of Agricultural Mechanization, Ministry of Agriculture and Rural Affairs, Nanjing 210014, China

Received Date: 2020-04-23
Accepted Date: 2020-05-29

Available Online: 2020-06-10

Publish Date: 2021-02-15

Abstract

Abstract

Rice husk biochar and poplar biochar were prepared from rice husk and poplar at 600 °C in this study. Rice husk, rice husk biochar, poplar and poplar biochar were used to reinforce high density polyethylene (HDPE) to prepare composites, and properties of the composites were tested and analyzed respectively. The results show that higher carbon content, higher specific surface area and more developed pore structure are obtained in rice husk biochar and poplar biochar than rice husk and poplar. The flexural strength, flexural modulus, tensile strength and tensile modulus of rice husk biochar/HDPE composites are 34.95 MPa, 1.76 GPa, 26.25 MPa, 1.83 GPa, higher than those of rice husk/HDPE composites. Similarly, the flexural strength, flexural modulus, tensile strength and tensile modulus of poplar biochar are 40.14 MPa, 2.43 GPa, 30.64 MPa, 2.17 GPa, higher than those of poplar/HDPE composites. Besides, the creep resistance and anti-stress relaxation ability of rice husk biochar/HDPE composites and poplar/HDPE composites are also stronger than rice husk/HDPE composites and poplar/HDPE composites. The results of this study suggest that the mechanical properties of biochar/HDPE composites are better than biomass/HDPE composites, which can provide new ideas for the high value utilization of agroforestry wastes.
- agroforestry wastes,
- biochar,
- high density polyethylene,
- composites,
- mechanical properties
Long Abstrsct
Innovation Points

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References(27)

References

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