The results showed that all blends behaved like pseudoplastic fluids, with the power–law index values varying between those of polyethylene and polylactide (0.45–0.75 at 180 ☌, 0.49–0.77 at 190 ☌ and 0.54–0.81 at 200 ☌). In a first part, all blends were examined under steady conditions using a capillary rheometer (at 180, 190 and 200 ☌) and dynamic conditions using a parallel plate rheometer. ![]() ![]() The rheological properties and the viscoelastic behaviour of blends of polyethylene with different percentages of poly(lactic acid), ranging from 0 to 100 wt%, were studied.
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