05986028 is referenced by 72 patents and cites 161 patents.

A continuous polymerization process of preparing ethylene polymers containing less than about 20 ppm aluminum, and having processability similar to highly branched low density polyethylene (LDPE), but the strength and toughness of linear low density polyethylene (LLDPE). The polymers have processing indices (PI's) less than or equal to 70 percent of those of a comparative linear ethylene polymer and a critical shear rate at onset of surface melt fracture of at least 50 percent greater than the critical shear rate at the onset of surface melt fracture of a traditional linear ethylene polymer at about the same I.sub.2 and M.sub.w /M.sub.n. The novel polymers can also have from about 0.01 to about 3 long chain branches/1000 total carbons and have higher low/zero shear viscosity and lower high shear viscosity than comparative linear ethylene polymers. The novel polymers can also be characterized as having a melt flow ratio, I.sub.10 /I.sub.2, .gtoreq.5.63, a molecular weight distribution, M.sub.w /M.sub.n, defined by the equation: M.sub.w /M.sub.n .ltoreq.(I.sub.10 /I.sub.2)-4.63, a critical shear stress at onset of gross melt fracture greater than about 4.times.10.sup.6 dyne/cm.sup.2, and a single DSC melt peak between -30 C. and 150 C.

Title
Elastic substantially linear ethlene polymers
Application Number
776130
Publication Number
5986028
Application Date
November 26, 1997
Publication Date
November 16, 1999
Inventor
James C Stevens
Richmond
TX, US
George W Knight
Lake Jackson
TX, US
John R Wilson
Baton Rouge
LA, US
Shih Yaw Lai
Sugar Land
TX, US
Assignee
The Dow Chemical Company
MI, US
IPC
C08F 2/34
C08F 2/18
C08F 2/04
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