B - Operations – Transporting – 29 – C
Patent
B - Operations, Transporting
29
C
18/794
B29C 47/12 (2006.01) B29C 47/00 (2006.01) B29C 47/20 (2006.01)
Patent
CA 1210918
- 56 - PROCESS FOR SUBSTANTIALLY ELIMINATING SURFACE MELT FRACTURE WHEN EXTRUDING ETHYLENE POLYMERS ABSTRACT A process for substantially eliminating surface melt fracture during extrusion of an ethylene polymer wherein the die land has a surface fabricated from a material which increases adhesion between the die land surface and the polymer.
457287
Hopley William G.
Union Carbide Corporation
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