Title:
HYBRID SUPPORTED METALLOCENE CATALYST, AND METHOD FOR PREPARING POLYPROPYLENE USING SAME
Document Type and Number:
WIPO Patent Application WO/2022/030768
Kind Code:
A1
Abstract:
The present invention relates to a hybrid supported metallocene catalyst and a method for preparing polypropylene using same, the catalyst having high activity for propylene polymerization, introducing a long chain branch into a polypropylene molecule, and thus being useful in preparing polypropylene having high melt tension.
Inventors:
KIM BYUNG SEOK (KR)
KIM SEYOUNG (KR)
KANG MINYOUNG (KR)
LEE INSUN (KR)
KIM SEOK HWAN (KR)
GWON DONGHYEON (KR)
JUNG YOONCHUL (KR)
KIM SEYOUNG (KR)
KANG MINYOUNG (KR)
LEE INSUN (KR)
KIM SEOK HWAN (KR)
GWON DONGHYEON (KR)
JUNG YOONCHUL (KR)
Application Number:
PCT/KR2021/008584
Publication Date:
February 10, 2022
Filing Date:
July 06, 2021
Export Citation:
Assignee:
LG CHEMICAL LTD (KR)
International Classes:
C08F10/06; C08F4/02; C08F4/646; C08F4/659; C08F4/6592
Domestic Patent References:
| WO2002060957A2 | 2002-08-08 | |||
| WO2003106470A1 | 2003-12-24 |
Foreign References:
| US20190135961A1 | 2019-05-09 | |||
| KR20200077331A | 2020-06-30 | |||
| EP1671983A1 | 2006-06-21 | |||
| KR20170073463A | 2017-06-28 |
Other References:
V. BUSICOR. CIPULLO, PROGRESS IN POLYMER SCIENCE, vol. 26, 2001, pages 443 - 533
Attorney, Agent or Firm:
YOU ME PATENT AND LAW FIRM (KR)
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