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Physical behavior of polypropylene/low density polyethylene blends | ||
| Journal of College of Education | ||
| Article 1, Volume 0, Issue 3, 2017, Pages 289-300 | ||
| Authors | ||
| Balkees M. Aldabbagh; Hanaa Sh. Mahmood | ||
| Abstract | ||
| Blends of polypropylene (PP) and low-density polyethylene (LDPE) may contribute to make recycling more economically attractive. The aim of this work was to make LDPE /PP blends (0/100, 10/90, 25/75, 50/50 w/w) via injection molding carried out under 170 o C injection temperatures and to evaluate their physical properties including :(Shore D hardness, Density, Tensile strength , elongate to break , Fracture toughness ,impact strength, weight gain and thermal conductivity properties . The blend behavior dependent on its composition, especially regarding elongation at break and the presence of necking . The optimum sample was (10:90 w/w) (PP/LDPE). This sample has the optimum elongation to break, optimum fracture toughness, optimum thermal conductivity, and other properties. Increasing of PP contents over the optimum value leads to decreasing of the properties of blend. Weight gain of these samples increasing with increasing of the Immersion time in oil and benzene liquid but the sample not affected when exposed water. | ||
| Keywords | ||
| immiscible blends; LDPE blend; physical properties; low; density polyethylene; Polypropylene; blends; Tensile and impact | ||
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