US 11,952,440 B2
Process for the preparation of polyethylenes
Lidong Li, Geleen (NL); and Salah Al Hubish, Geleen (NL)
Assigned to SABIC GLOBAL TECHNOLOGIES B.V., Bergen op Zoom (NL)
Appl. No. 17/285,958
Filed by SABIC GLOBAL TECHNOLOGIES B.V., Bergen op Zoom (NL)
PCT Filed Oct. 17, 2019, PCT No. PCT/EP2019/078183
§ 371(c)(1), (2) Date Apr. 16, 2021,
PCT Pub. No. WO2020/088942, PCT Pub. Date May 7, 2020.
Claims priority of application No. 18203749 (EP), filed on Oct. 31, 2018.
Prior Publication US 2021/0371553 A1, Dec. 2, 2021
Int. Cl. C08F 110/02 (2006.01); C08K 5/17 (2006.01); C08K 5/5445 (2006.01)
CPC C08F 110/02 (2013.01) [C08K 5/17 (2013.01); C08K 5/5445 (2021.01); C08F 2410/02 (2013.01); C08F 2420/00 (2013.01)] 19 Claims
 
1. Process for the production of a polyethylene comprising polymerizing a reaction mixture comprising ethylene in the presence of a catalyst system and an antistatic agent according to formula I:

OG Complex Work Unit Chemistry
wherein R1, R2 and R3 stand for a moiety according to formula II or a hydrocarbon moiety having 1 to 20 carbon atoms

OG Complex Work Unit Chemistry
wherein each of R4, R5 and R6 is the same or different, and wherein each of R4, R5 and R6 is a hydrocarbon moiety having 1 to 10 carbon atoms, and wherein at least two of R1, R2 and R3 are each a moiety according to formula II.