US 12,186,738 B2
Catalyst system
Raghunath Roy, Collegeville, PA (US); Bharat I. Chaudhary, Princeton, NJ (US); Manish K. Mundra, Collegeville, PA (US); and Jeffrey M. Cogen, Flemington, NJ (US)
Assigned to Dow Global Technologies LLC, Midland, MI (US)
Appl. No. 17/429,563
Filed by Dow Global Technologies LLC, Midland, MI (US)
PCT Filed Feb. 20, 2020, PCT No. PCT/US2020/018942
§ 371(c)(1), (2) Date Aug. 9, 2021,
PCT Pub. No. WO2020/180495, PCT Pub. Date Sep. 10, 2020.
Claims priority of provisional application 62/814,897, filed on Mar. 7, 2019.
Prior Publication US 2022/0008896 A1, Jan. 13, 2022
Int. Cl. B01J 23/06 (2006.01); B01J 21/06 (2006.01); B01J 23/14 (2006.01); B01J 31/22 (2006.01); C08F 4/02 (2006.01); C08F 4/58 (2006.01); C08F 210/02 (2006.01); C08F 220/18 (2006.01); C08F 230/08 (2006.01); C08J 3/22 (2006.01); C08J 3/24 (2006.01); C08K 5/14 (2006.01); C08L 23/06 (2006.01); C08L 23/08 (2006.01); C08L 23/26 (2006.01); C08L 43/04 (2006.01); H01B 3/44 (2006.01)
CPC B01J 23/06 (2013.01) [B01J 21/063 (2013.01); B01J 23/14 (2013.01); B01J 31/2239 (2013.01); C08F 4/027 (2013.01); C08F 4/58 (2013.01); C08F 210/02 (2013.01); C08F 220/1802 (2020.02); C08F 230/08 (2013.01); C08J 3/226 (2013.01); C08J 3/24 (2013.01); C08K 5/14 (2013.01); C08L 23/06 (2013.01); C08L 23/0815 (2013.01); C08L 23/0869 (2013.01); C08L 23/0892 (2013.01); C08L 23/26 (2013.01); C08L 43/04 (2013.01); B01J 2531/46 (2013.01); C08J 2323/08 (2013.01); C08J 2423/08 (2013.01); C08J 2433/08 (2013.01); C08L 2203/206 (2013.01); C08L 2207/066 (2013.01); H01B 3/441 (2013.01)] 11 Claims
 
1. A catalyst masterbatch comprising:
from 99 to 1 wt % of a catalyst system comprising a combination of from 75 to 85 weight percent (wt %) of zinc oxide (ZnO), from 10 to 25 wt % of titanium dioxide (TiO2), and from 2 to 10 wt % of a tin-organic ligand coordination complex (Sn Complex), wherein the sum of all wt % equals 100.00 wt %; and
from 1 to 99 wt % of a carrier resin, wherein the carrier resin is a non-aromatic polyolefin polymer, an ethylene/unsaturated carboxylic ester copolymer, or a blend thereof.