US 11,780,941 B2
Highly branched, low molecular weight polyolefins and methods for their production
Tobin Jay Marks, Evanston, IL (US); Yanshan Gao, Evanston, IL (US); Tracy L. Lohr, Houston, TX (US); Qian Wang, Evanston, IL (US); Yip-Wah Chung, Wilmette, IL (US); and David B. Pickens, III, Chicago, IL (US)
Assigned to Northwestern University, Evanston, IL (US)
Filed by Northwestern University, Evanston, IL (US)
Filed on Jan. 12, 2022, as Appl. No. 17/573,858.
Application 17/573,858 is a continuation of application No. 16/963,731, granted, now 11,242,421, previously published as PCT/US2019/016762, filed on Feb. 6, 2019.
Claims priority of provisional application 62/626,879, filed on Feb. 6, 2018.
Prior Publication US 2022/0135713 A1, May 5, 2022
Int. Cl. C08F 210/02 (2006.01); C08F 4/52 (2006.01); C08F 4/76 (2006.01); C08F 110/02 (2006.01); C08F 210/14 (2006.01); C08F 210/16 (2006.01); C08L 23/08 (2006.01)
CPC C08F 110/02 (2013.01) [C08F 4/52 (2013.01); C08F 4/76 (2013.01); C08F 210/02 (2013.01); C08F 210/14 (2013.01); C08F 210/16 (2013.01); C08F 2810/30 (2013.01); C08L 23/0815 (2013.01)] 13 Claims
OG exemplary drawing
 
1. A method for olefin oligomerization, the method comprising combining olefin monomers with a single-site organozirconium complex and a perfluoroarylborate compound in a non-polar non-coordinating solvent or a halogenated solvent, whereby the single-site organozirconium complex and the perfluoroarylborate compound mediate the oligomerization of the olefin monomers into an olefin oligomer comprising branches having end groups comprising vinyl groups, vinylidene groups, or a combination thereof, and reacting the end groups with one or more reactants to form functionalized end groups.