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Melt Rheology of Poly(Lactic Acid)/Low Density Polyethylene Polymer Blends
2011
Advances in Chemical Engineering and Science
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In this work, rheological properties of poly(lactic acid) (PLA), low density polyethylene (LDPE) polymer blends were investigated in the molten state. The experiments were carried on a capillary rheometer. The effect of shear stress, temperature and blending ratio on the flow activation energy at a constant shear stress and melt viscosity of the blends are described. The results showed that the PLA/LDPE polymer blends are pseudo plastic in nature, where there viscosity decreases with increasing
doi:10.4236/aces.2011.14030
fatcat:nbxfaoflmfavtk3rkyzjndub7q