| 摘要 |
<p>A foam extrusion slot die is provided, comprising a plurality of parallel dividers extending transversely across the slot, wherein the plurality of dividers define a plurality of adjacent rectangular slit openings each having a length extending perpendicularly across the lateral length of the slot die. An article of manufacture is provided, comprising a polymer material system with at least 95% porosity comprising greater than 10%> asymmetrical pores. A method an article of manufacture is provided, comprising: extruding polymer material through an extruder die opening having an output orifice partitioned by a plurality of parallel dividers defining a plurality of adjacent slit openings each having a vertical height greater than a lateral width.</p> |
