Microporous polypropylene sheets were prepared as follows. First, polypropylene pellet-containing CaCO3 filler was extruded to prepare base sheets, which were then biaxially stretched. The draft effect at the extrusion process was studied in relation to some properties of the resultant microporous polypropylene sheets.
No takes yet. Share an insight, caveat, or question.
Nagõ et al. (1996) studied this question.
Synapse has enriched 5 related papers. Consider them for comparative context: