07714072 is referenced by 10 patents and cites 177 patents.

The present invention is a multimodal polyethylene composition having (1) a density of at least about 0.940 g/cm3; (2) a melt flow index (I5) of from about 0.2 to about 1.5 g/10 mm; (3) a melt flow index ratio (I21/I5) of from about 20 to about 50; (4) a molecular weight distribution, Mw/Mn, of from about 20 to about 40; and (5) a bubble stability measured on an HS50S stationary extrusion system with an BF 10-25 die, HK 300 air ring, A8 take off, and WS8 surface winder, with a 100 mm die diameter having a 50 mm 21:1 L/D grooved feed extruder used for a film of about 6×10−6 m thickness of at least about 1.22 m/s line speed, at least about 45 kg/hr (0.013 kg/sec) output rate, or at least about 0.5 lb/hr/rpm (0.0000011 kg/s/rps) specific output rate or a combination thereof.

Title
Polymer composition and process to manufacture high molecular weight-high density polyethylene and film therefrom
Application Number
10/553788
Publication Number
7714072 (B2)
Application Date
May 5, 2004
Publication Date
May 11, 2010
Inventor
Carl F Baker
Lake Jackson
TX, US
Brad A Cobler
Lake Jackson
TX, US
Anthony C Neubauer
Piscataway
NJ, US
William J Michie Jr
Missour City
TX, US
Assignee
Dow Global Technologies
MI, US
IPC
C08F 2/34
C08L 23/30
C08F 8/06
View Original Source