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Study of preparation for co-polymer nanocomposites using PLA/LDPE/CTAB modified clay | ||
| Iraqi National Journal Of Chemistry | ||
| Article 1, Volume 0, Issue 49, 2014, Pages 61-72 | ||
| Authors | ||
| Emad A. Jaffar Al-Mulla; Wisam H. Hoidy | ||
| Abstract | ||
| Abstract Study of preparation involve the examination of the effects of operating variables on mechanical properties of polylactic acid /low density polyethylene (PLA/LDPE)/clay nanocomposites including tensile strength, modulus, and elongation at break. Thermal stability of these nanocomposites that’s investigated. Montmorillonite clay with alkyl ammonium ion of hexadecyl trimethylammonium bromide (CTAB) was examined. Among the parameters studied, PLA/ LDPE nanocomposites showed larger improvements in mechanical properties compared to PLA/ LDPE blend due to higher shear forces exerted by polymer blend matrix on clay aggregates during polymer-clay mixing. The original MMT with Na+ cation results in weak improvements in mechanical properties compared to organoclays. It was observed that the tensile strength, modulus, and elongation at break of the nanocomposite samples can be optimized with 4% of clay loading. The morphology and chemical structure of the optimum sample were examined by X-ray diffraction and FT-IR spectroscopy, respectively. | ||
| Keywords | ||
| Polylactic Acid; low density polyethylene; CTAB; Nanocomposites; polymer; nanomaterial | ||
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