US 12,319,770 B2
High porosity fluorided silica-coated alumina activator-supports and uses thereof in metallocene-based catalyst systems for olefin polymerization
Max P. McDaniel, Bartlesville, OK (US); Eric D. Schwerdtfeger, Bartlesville, OK (US); Qing Yang, Bartlesville, OK (US); Carlos A Cruz, Kingwood, TX (US); Jinping J. Zhou, Bartlesville, OK (US); Anand Ramanathan, Bartlesville, OK (US); Kathy S. Clear, Bartlesville, OK (US); and Zhihui Gu, Kingwood, TX (US)
Assigned to Chevron Phillips Chemical Company LP, The Woodlands, TX (US)
Filed by Chevron Phillips Chemical Company LP, The Woodlands, TX (US)
Filed on Oct. 17, 2024, as Appl. No. 18/918,298.
Application 18/918,298 is a division of application No. 18/415,809, filed on Jan. 18, 2024, granted, now 12,146,018.
Application 18/415,809 is a division of application No. 18/327,119, filed on Jun. 1, 2023, granted, now 11,912,809, issued on Feb. 27, 2024.
Claims priority of provisional application 63/348,044, filed on Jun. 2, 2022.
Prior Publication US 2025/0043037 A1, Feb. 6, 2025
Int. Cl. C08F 10/02 (2006.01); B01J 29/06 (2006.01); B01J 35/61 (2024.01); B01J 35/63 (2024.01); B01J 35/64 (2024.01); C08F 4/02 (2006.01); C08F 210/16 (2006.01); C08F 4/619 (2006.01); C08F 4/6192 (2006.01)
CPC C08F 4/025 (2013.01) [B01J 29/06 (2013.01); B01J 35/615 (2024.01); B01J 35/635 (2024.01); B01J 35/638 (2024.01); B01J 35/647 (2024.01); C08F 10/02 (2013.01); C08F 210/16 (2013.01); C08F 4/61916 (2013.01); C08F 4/61925 (2013.01); C08F 4/61927 (2013.01); C08F 2410/07 (2021.01); C08F 2420/00 (2013.01)] 18 Claims
 
1. An ethylene polymer having:
a melt index (MI) in a range from 0.1 to 10 g/10 min; and
a density in a range from 0.91 to 0.96 g/cm3;
wherein the ethylene polymer contains:
from 70 to 270 ppm solid oxide; and
from 2 to 18 ppm fluorine.