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US 11,767,377 B2Granted
Metallocene-supported catalyst and method of preparing polyolefin using the same
AssigneeLG Chem, Ltd.
InventorsEun Young Shin, Heon Yong Kwon, Se Young Kim, Hyun Jee Kwon, Dae Sik Hong, Sung Min Lee, Ki Soo Lee
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Abstract
Provided are a novel metallocene-supported catalyst and a method of preparing a polyolefin using the same. The metallocene-supported catalyst according to the present disclosure may be used in the preparation of polyolefins, it may have excellent activity and excellent reactivity with comonomers, and it may prepare olefinic polymers having a high molecular weight and a low molecular weight.
Claims11
A metallocene-supported catalyst comprising one or more metallocene compounds represented by Chemical Formula 1;
- a cocatalyst compound;
- and
- a support:
- wherein, in Chemical Formula 1, R1 and R2, and R5 and R6, are the same as or different from each other, and are each independently hydrogen or a C1 to C20 alkyl group;
- and
- Q is Ti, Zr or Hf.
3 more elements
Dependencies are inferred from the claim text.