Tung Oil Anhydride Modified Hemp Fiber/Polypropylene Composites: The Improved Toughness, Thermal Stability and Rheological Property 


Vol. 21,  No. 9, pp. 2084-2091, Sep.  2020
10.1007/s12221-020-1157-1


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  Abstract

Natural fibers reinforced composites (NFCs) have renewable and low cost advantages. In this paper, the tung oil anhydride (TOA) modified polypropylene (PP)/hemp fiber composites have been prepared by a melt-blended process. The reaction between the tung oil anhydride and the as-treated hemp fiber make the TOA molecules to accumulate on the surface of hemp fiber and to form a TOA layer on the surface of hemp fibers, which is confirmed by the FT-IR and SEM analyses. The TOA layer improves the compatibility between PP matrix and hemp fibers. The elongation at break (EB) and impact strength of the PP/hemp fiber/TOA composites are twice more than the PP/hemp fiber composites. Thermal analysis shows the Toneset and Tmax of the composites increasing that reflects the thermal stability of the composites improved. The crystalline property reveals that the Tc moves to high temperature with the TOA or hemp fiber added in the blends. The DMA and rheology properties analysis indicate that the TOA layer improved molecular mobility of the composites and show a shear thinning effect.

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  Cite this article

[IEEE Style]

H. Wu, D. Xu, Y. Zhou, C. Gao, J. Guo, W. He, Y. He, S. Qin, "Tung Oil Anhydride Modified Hemp Fiber/Polypropylene Composites: The Improved Toughness, Thermal Stability and Rheological Property," Fibers and Polymers, vol. 21, no. 9, pp. 2084-2091, 2020. DOI: 10.1007/s12221-020-1157-1.

[ACM Style]

Hongming Wu, Dinghong Xu, Ying Zhou, Chengtao Gao, Jianbing Guo, Weidi He, Yong He, and Shuhao Qin. 2020. Tung Oil Anhydride Modified Hemp Fiber/Polypropylene Composites: The Improved Toughness, Thermal Stability and Rheological Property. Fibers and Polymers, 21, 9, (2020), 2084-2091. DOI: 10.1007/s12221-020-1157-1.

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pISSN : 1229 - 9197
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