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US 12,325,763 B2Granted
Catalyst composition and method for preparing polyisobutene using the same
AssigneeLG Chem, Ltd.
InventorsDong Hyun Jo, Seong Beom Heo, Won Hee Kim, Jin Lee, Gyeong Shin Choi, Hee Jeong Kim
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Abstract
The present invention relates to a catalyst composition including an oxonium ion-based catalyst represented by the following Formula 1, and an additive, and a method for preparing polyisobutene using the same: wherein R, R1 to R4, and o, p, q and r are described herein.
Claims16
A catalyst composition comprising:
- a catalyst represented by the following Formula 1;
- and a nitrile-based additive:
- in Formula 1,
- R is a linear C3 alkyl group, or a linear or branched C4-C12 alkyl group,
- R1 to R4 are each independently hydrogen, a halogen group or a halogen-substituted alkyl group of 1 to 20 carbon atoms, and
- o, p, q and r are each independently an integer of 1 to 5.
3 more elements
Dependencies are inferred from the claim text.