US 11,987,651 B2
Catalyst composition and method for preparing hydrocarbon resin using the same
Gyeong Shin Choi, Daejeon (KR); Won Hee Kim, Daejeon (KR); Young Soo Ko, Chungcheongnam-do (KR); Ha Young Jung, Gyeonggi-do (KR); and Ann Chaise Carino, Chungcheongnam-do (KR)
Assigned to LG Chem, Ltd., Seoul (KR)
Appl. No. 17/435,097
Filed by LG Chem, Ltd., Seoul (KR)
PCT Filed Aug. 25, 2020, PCT No. PCT/KR2020/011331
§ 371(c)(1), (2) Date Aug. 31, 2021,
PCT Pub. No. WO2021/040384, PCT Pub. Date Mar. 4, 2021.
Claims priority of application No. 10-2019-0104242 (KR), filed on Aug. 26, 2019.
Prior Publication US 2022/0127393 A1, Apr. 28, 2022
Int. Cl. C08K 5/06 (2006.01); C07F 5/02 (2006.01); C08F 112/08 (2006.01); C08K 5/315 (2006.01); C08K 5/3432 (2006.01)
CPC C08F 112/08 (2013.01) [C07F 5/027 (2013.01); C08K 5/06 (2013.01); C08K 5/315 (2013.01); C08K 5/3432 (2013.01); C08F 2410/01 (2013.01)] 10 Claims
 
1. A method for preparing a hydrocarbon resin, the method comprising:
polymerizing a monomer mixture in the presence of a catalyst composition,
wherein the monomer mixture comprises a C5 unsaturated hydrocarbon monomer, a C9 unsaturated hydrocarbon monomer, or a mixture thereof,
wherein the catalyst composition comprises a catalyst represented by Formula 1 and an additive represented by Formula 2:

OG Complex Work Unit Chemistry
in Formula 1,
R is an alkyl group of 4 to 12 carbon atoms,
R1 to R4 are each independently hydrogen, a halogen group, or a substituted or unsubstituted alkyl group of 1 to 20 carbon atoms, and
o, p, q and r are each an integer of 5,
Ra—X  [Formula 2]
in Formula 2,
Ra is hydrogen, an alkyl group of 1 to 20 carbon atoms, a cycloalkyl group of 3 to 20 carbon atoms, an aryl group of 6 to 20 carbon atoms, an alkylaryl group of 7 to 20 carbon atoms or an arylalkyl group of 7 to 20 carbon atoms, and
X is a nitrile group, a pyridine group, an alkoxy group of 1 to 20 carbon atoms, or an aryloxy group of 6 to 20 carbon atoms.