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Paper Information

Journal:   PAJOUHESH-VA-SAZANDEGI   SUMMER 2007 , Volume 20 , Number 2 (75 IN NATURAL RESOURCES); Page(s) 2 To 7.
 
Paper: 

THE EFFECT OF ASPEN WOOD PARTICLES SIZE AND COMPATIBILIZER ON MECHANICAL PROPERTIES OF WOOD FLOUR/ POLYPROPYLENE COMPOSITES

 
 
Author(s):  NOURBAKHSH A., KARGARFARD A.A.F.
 
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Abstract: 

In plastic industry wood flour, as filler for thermoplastics is used. Wood flour is produced in a mixture of particle sizes and generally has a lower aspect ratio than wood and other natural fibers. Utilization different sizes of wood particles on the mechanical properties of wood flour /polypropylene composites were investigated. Also, the effect of a maleated polypropylene coupling agent on mechanical properties was investigated. Wood flour particles (40, 50, and 60 mesh) were compounded at 40% by weight with polypropylene. Increases in tensile strenght and modulus of the wood flour composites were found to correspond with increases in aspect ratio. Notched impact strenght increased with increasing particle size. The maleated polypropylene coupling agent causes increasing strenght in wood flour polypropylene composites. The results clearly support the use of higher aspect ratio wood flour and coupling agents to increase the strenght of wood flour/ polypropylene.

 
Keyword(s): ASPEN, WOOD FLOUR, POLYPROPYLENE, COMPOSITES, MECHANICAL PROPERTIES, ASPECT RATIO, COUPLING AGENTS
 
References: 
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