Comparison of Tensile Properties and Mechanical-Dynamic Analysis of Poly-Lactic Acid / Poly-Ethylene Compounded with Natural Fibers

Ibaghi Esfahani, Hamid; Kalagar, Mehdi; Sepahri Rad, Hosien

doi:10.22092/ijwpr.2018.120584.1462

Document Type : Research Paper

Authors

¹ Department of Architecture, Zahedan branch, Islamic Azad University, Zahedan, Iran

² Ph.D. wood and paper industry, research and innovation center of ETKA organization, Tehran, Iran

³ Faculty Member, Department of Architecture, Zahedan Branch, Islamic Azad University, Zahedan, Iran,

https://doi.org/10.22092/ijwpr.2018.120584.1462

Abstract

In this study, the tensile and dynamic-mechanical properties of composites made by poly-lactic acid polymer (PLA) and high density polyethylene (HDPE) as matrix and sawdust to reinforcement 30 % weight were investigated. Maleic anhydride bonded with polyethylene (MAPE) was used to increase coupling agent by 3%. The use of sawdust increased the stiffness of composites while the use of this material reduced the tensile strength of composites. The highest tensile properties (elastic modulus and tensile strength) were related to poly lactic acid /polyethylene / sawdust / coupling agent composites. The addition of natural fibers to both matrices (PLA and MAPE) increased the composite storage modulus compared to pure polymers, while the modulus of storage in pure polyethylene and its composite was higher. Simultaneous use of two polymers with an equal ratio (33.5% by weight) and composite sawdust have shown the stiffness between the composites made with single polymers. The use of natural fibers reduced the mobility of the molecular chain and transported the temperature of the composite to higher temperatures, which eventually moved the corresponding corners to the right and lower. However, in some cases, the transmission of pixels has not followed the normal process. The addition of the coupling agent (MAPE) makes bonding more common between two phases in all composites and ultimately increases stiffness.

Keywords

Main Subjects

Composite wood products

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Iranian Journal of Wood and Paper Science Research

Comparison of Tensile Properties and Mechanical-Dynamic Analysis of Poly-Lactic Acid / Poly-Ethylene Compounded with Natural Fibers

References

References

Volume 33, Issue 2 - Serial Number 63
July 2018
Pages 218-230

Comparison of Tensile Properties and Mechanical-Dynamic Analysis of Poly-Lactic Acid / Poly-Ethylene Compounded with Natural Fibers

References

References

Volume 33, Issue 2 - Serial Number 63July 2018Pages 218-230

Volume 33, Issue 2 - Serial Number 63
July 2018
Pages 218-230