Paper Information

Journal:   IRANIAN JOURNAL OF WOOD AND PAPER SCIENCE RESEARCH   summer 2016 , Volume 31 , Number 2 (55) #f00641; Page(s) 323 To 335.
 
Paper: 

The effect of utilizing ZnO nanoparticles and eggshell on physical and mechanical properties of wood-plastic composite

 
 
Author(s):  MADADI M.*, RANGAVAR H., NOURBAKHSH A.
 
* Wood science and Tecnology Department, Shahid Rajaee Teacher Training University, Tehran, Iran
 
Abstract: 
In this research, utilization of ZnO nanoparticles and eggshell powder on physical and mechanical properties of polypropylene/wood flour composite were investigated. For this purpose, wood flour and polypropylene were mixed at 60 to 40% by weight. Eggshell powder at three levels (0, 5 and 10) percent and nano ZnO at four levels (0, 1. 5, 3 and 5) percent were considered as variable factors. Physical and mechanical properties including water absorption and thickness swelling after 2 and 24 hours immersion in water, and flexural strength was measured in accordance with DIN-EN 310-2006 standard, and tensile strength were measured in accordance with ASTM D1037 standard. Scanning electron microscopy (SEM) were performed to interpret the results. The results were statistically analyzed using factorial experimental under completely randomized block design and the averages were compared using DMRT. Results showed that increasing the mixing ratio of eggshell powder to wood flour decreased mechanical strength but improved the water absorption and thickness swelling after 2 and 24 hrs immersioin in water. Using 1. 5% nano Zno increased the strength properties to the maximum values and improved physical properties.
 
Keyword(s): Polypropylene,eggshell,composite,ZnO,strength
 
References: 
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