Synthesis and Characterization of Recycled Isotactic Polypropylene Nanocomposites Containing Date Wood Fiber
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Description
Nanocomposites of isotactic polypropylene (iPP) and
date wood fiber were prepared after modification of the host matrix
by reactive extrusion grafting of maleic anhydride. Chemical and
mechanical treatment of date wood flour (WF) was conducted to
obtain nanocrystalline cellulose. Layered silicates (clay) were
partially intercalated with date wood fiber, and the modified layered
silicate was used as filler in the PP matrix via a melt-blending
process. The tensile strength of composites prepared from wood fiber
modified clay was greater than that of the iPP-clay and iPP-WF
composites at a 6% filler concentration, whereas deterioration of
mechanical properties was observed when clay and WF were used
alone for reinforcement. The dispersion of the filler in the matrix
significantly decreased after clay modification with cellulose at
higher concentrations, as shown by X-ray diffraction (XRD) data.
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References
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