公开(公告)号：US11965051B2

公开(公告)日：2024-04-23

申请号：US16977943

申请日：2018-12-21

申请人： AJOU UNIVERSITY INDUSTRY-ACADEMIC COOPERATION FOUNDATION

发明人： Bun Yeoul Lee ,  Sung Dong Kim ,  Su Jin Gwon ,  Tae Hee Kim

IPC分类号： C08F297/08 ,  C08F2/06 ,  C08F2/38 ,  C08F4/34 ,  C08F4/50 ,  C08F4/619 ,  C08F4/659 ,  C08F110/06 ,  C08F210/16

CPC分类号： C08F297/086 ,  C08F2/06 ,  C08F2/38 ,  C08F4/34 ,  C08F4/50 ,  C08F110/06 ,  C08F210/16 ,  C08F2410/01

摘要： The present invention relates to a method for preparing a polyolefin block copolymer, the method comprising: a first step of coordination polymerization of an olefin monomer with a transition metal catalyst in the presence of organozinc; and a second step of continuously adding a diacyl peroxide compound to perform polymerization, and to a polyolefin block copolymer prepared therefrom.

公开(公告)号：US11148127B2

公开(公告)日：2021-10-19

申请号：US16972117

申请日：2019-06-03

申请人： AJOU UNIVERSITY INDUSTRY-ACADEMIC COOPERATION FOUNDATION ,  S-PRECIOUS CATALYSTS INC.

发明人： Bun Yeoul Lee ,  Tae Hee Kim ,  Hee Soo Park ,  Jun Won Baek ,  Su Jin Gwon ,  Sung Dong Kim

IPC分类号： B01J31/24 ,  B01J31/14 ,  C07C2/36 ,  C07F11/00

摘要： The present invention relates to a bisphosphine ligand compound, a chromium compound prepared using same, an ethylene oligomerization catalyst system containing the chromium compound, and an ethylene oligomer preparing method, wherein the bisphosphine ligand compound is suitable for mass production and commercial processes, allows extremely high activity to be compatible with excellent economical benefit, and increases selectivity for ethylene oligomerization reaction, thereby being able to be used to manufacture 1-hexene and/or 1-octene at high yield.