Influence of Nanolayered Silicates on Properties of Wood Flour–Polypropylene Nanocompositesدومین کنفرانس بین المللی کامپوزیت
In this research, composites based on polypropylene (PP), beech wood flour, and organomodified montmorillonite (OMMT) have been prepared and characterized for their properties. The blend nanocomposites were prepared through the melt mixing of PP\WF at 50% weight ratios, with various amounts of OMMT (0, 3 and 6 per hundred compounds (phc)) in Hakee internal mixer then the samples made by injection molding. The influence of organomodified montmorillonite contents on the clay dispersion, physical and mechanical properties of PP\wood flour composites were investigated. Results indicated that the flexural strength and modulus, tensile strength and modulus were increased by addition of 3 per hundred compounds (phc) organomodified montmorillonite (OMMT) but decreased with 6 phc OMMT addition. However the impact strength, water absorption and thickness swelling of the composites decreased with increasing nanoclay loading. X–ray diffraction patterns (XRD) and transmission electron microscopy (TEM) revealed that the nanocomposites formed were intercalated. Also, Morphological findings showed that samples containing 3 phc of OMMT had higher order of intercalation.<\div>
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