Effects of Ramie Fiber Treatment on Thermo-Oxidative Properties of High-Density Polyethylene/Ramie Fiber Composites

Abstract:

On the investigations on the flexural properties,color stability and melting properties,the effects of treating ramie fiber with silane coupling agent on the anti-thermo-oxidative aging properties of high density polyethylene(HDPE)/ ramie fiber composites were studied.The results show that,treating the fiber with 3% coupling agent can improve the flexural strength and modulus of the composites before the aging test by 15.9% and 21.7% respectively,and also it can improve the flexural properties of the composites after the aging test;the modified composites will be more color stable,less color difference,and less disminish of the color during the aging test;the peak melting temperatures of the modified composites when aged for 0,500,1000,1500 and 3000h will be increased by 0.6，0.2， 0.5,2.3 and 3.8 oC from those of the unmodified composites;the flexural properties,color stability and melting properties of HDPE / ramie fiber composites during thermo-oxidative aging tests all indicate that treating ramie fiber with coupling agent can improve the anti-thermo-oxidative properties of the composites.

• Periodical: Advanced Materials Research (Volumes 146-147)
• Pages: 542-545
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.146-147.542
• Online since: October 2010
• Authors: Wen Lei, Chao Ren
• Keywords: Composite, High Density Polyethylene (HDPE), Ramie Fiber, Thermo-Oxidative Aging

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