Method Of Tubular Microlayer And Multi-Component Co-Extrusion Via Deflector Perturbation

摘要

The present invention relates to a method of transforming multilayered and/or multi-component streams into tubular shapes prior to or during extrusion by passing the streams over a deflector. The invention also relates to dies containing spiral, bowtie, circumferential and/or wrapping deflectors and products made by such methods.

主权项

1. A method of transforming multilayered or multi-component streams into a tubular shape prior to or during extrusion, comprising passing one or more multilayered or multi-component stream(s) over a deflector and then extruding the transformed stream into a tubular shape product.