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In this work, three melt blown grades of isotactic linear polypropylenes, with weight average molecular weights between 56 250–75 850 g/mol, have been characterized at 230 °C over a very wide shear rate range (10–107 1/s) by using conventional rotational and twin bore capillary rheometry equipped with novel orifice die, and by an instrumented capillary nozzle on an injection molding machine. A low...
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