US 12,473,320 B2
Catalyst system
Luigi Maria Cristoforo Resconi, Linz (AT); Wilfried Toeltsch, Linz (AT); Ville Virkkunen, Porvoo (FI); Kalle Kallio, Porvoo (FI); Soile Lustig, Porvoo (FI); Noureddine Ajellal, Porvoo (FI); Marja Mustonen, Porvoo (FI); and Alexander Reznichenko, Porvoo (FI)
Assigned to BOREALIS AG, Vienna (AT)
Appl. No. 17/614,744
Filed by BOREALIS AG, Vienna (AT)
PCT Filed May 20, 2020, PCT No. PCT/EP2020/064194
§ 371(c)(1), (2) Date Nov. 29, 2021,
PCT Pub. No. WO2020/239602, PCT Pub. Date Dec. 3, 2020.
Claims priority of application No. 19177307 (EP), filed on May 29, 2019; and application No. 19177308 (EP), filed on May 29, 2019.
Prior Publication US 2022/0220231 A1, Jul. 14, 2022
Int. Cl. C07F 17/00 (2006.01); C08F 4/649 (2006.01); C08F 4/659 (2006.01); C08F 4/6592 (2006.01); C08F 10/06 (2006.01); C08F 110/06 (2006.01)
CPC C07F 17/00 (2013.01) [C08F 4/6492 (2013.01); C08F 4/65908 (2013.01); C08F 4/65912 (2013.01); C08F 4/65916 (2013.01); C08F 4/65927 (2013.01); C08F 10/06 (2013.01); C08F 110/06 (2013.01); C08F 2420/00 (2013.01); C08F 2420/08 (2021.01); C08F 2500/12 (2013.01); C08F 2500/17 (2013.01); C08F 2500/34 (2021.01); C08F 2500/35 (2021.01); C08F 2800/10 (2013.01)] 17 Claims
OG exemplary drawing
 
1. A supported catalyst system comprising:
(i) a metallocene complex;
(ii) a cocatalyst system comprising a boron containing cocatalyst and a methylaluminoxane cocatalyst; and
(iii) an inorganic porous support;
wherein the metallocene complex is of formula (I):

OG Complex Work Unit Chemistry
wherein
each X independently is a sigma-donor ligand;
L is —R′2Si—, and each R′ is independently a C1-C6-alkyl, C5-6-cycloalkyl, or C6-aryl group;
each Ar independently is a phenyl ring or a 5 or 6 membered heteroaryl ring;
each R1 is bonded to a carbon and independently is hydrogen, or a linear or branched C1-C6-alkyl group;
each R2 independently is a CHR8′—R8 group, with R8 being H, or a linear or branched C1-6-alkyl group, and R8′ is H or a C1-6 alkyl;
R3 is a linear or branched C1-C6-alkyl group, a C7-20-arylalkyl group, a C7-20-alkylaryl group, or C6-C20-aryl group;
R4 is a C(R9)3 group, with each R9 independently being a linear or branched C1-C6-alkyl group;
R5 and R6 are both hydrogen, or R5 and R6 taken together form a 5 membered saturated carbon ring;
R7 is a linear or branched C1-C6-alkyl group, or an aryl or heteroaryl group having 3 to 20 carbon atoms optionally substituted by one to three groups R11; and
each R11 independently is hydrogen, or a linear or branched C1-C6-alkyl group;
wherein the boron containing cocatalyst is either of formula (B) or a borate containing an anion of formula (C):
BY3  (B)
(Z)4B—  (C)
wherein
each Y independently is a hydrogen atom, an alkyl group of from 1 to about 20 carbon atoms, an aryl group of from 6 to about 15 carbon atoms, alkylaryl, arylalkyl, haloalkyl or haloaryl each having from 1 to 10 carbon atoms in the alkyl radical and from 6-20 carbon atoms in the aryl radical or fluorine; or
Z is an optionally substituted phenyl derivative, said substituent being a halo-C1-6-alkyl or halo group, and as counterions protonated amine or aniline derivatives.