US 12,404,391 B2
Gel extruded articles made from high density polyethylene with narrow molecular weight distribution
Christian Ohm, Gernsheim (DE); and Arvind Yadav, Liederbach am Taunus (DE)
Assigned to Celanese International Corporation, Irving, TX (US)
Filed by Celanese International Corporation, Irving, TX (US)
Filed on Oct. 12, 2023, as Appl. No. 18/485,484.
Application 18/485,484 is a continuation of application No. 17/410,138, filed on Aug. 24, 2021, granted, now 11,814,508.
Claims priority of provisional application 63/069,469, filed on Aug. 24, 2020.
Prior Publication US 2024/0343893 A1, Oct. 17, 2024
This patent is subject to a terminal disclaimer.
Int. Cl. C08L 23/06 (2006.01); B29C 48/00 (2019.01); B29C 48/08 (2019.01); C08J 5/18 (2006.01); B29K 23/00 (2006.01)
CPC C08L 23/06 (2013.01) [B29C 48/022 (2019.02); B29C 48/08 (2019.02); C08J 5/18 (2013.01); B29K 2023/065 (2013.01); B29K 2995/0077 (2013.01); B29K 2995/0081 (2013.01); C08J 2323/06 (2013.01); C08L 2203/16 (2013.01); C08L 2207/062 (2013.01)] 30 Claims
OG exemplary drawing
 
1. A polymer composition for producing gel extruded articles comprising:
a plasticizer; and
high density polyethylene particles comprising a high density polyethylene polymer, the high density polyethylene particles having a median particle size by volume of greater than about 50 microns, the high density polyethylene polymer having an intercrossing point (ICP) of greater than about 150 kPa.