Synthesis of highly branched polyethylene elastomers by using bis(4-biphenyl)methyl-containing Brookhart-Ni catalysts

Nan Chen

doi:10.1016/j.jcat.2026.117091

Synthesis of highly branched polyethylene elastomers by using bis(4-biphenyl)methyl-containing Brookhart-Ni catalysts

2026-07-31

0

PRE

AI

N

Nan Chen

H

Haoxiang Sun

Y

Yanyan Wang

Z

Zhiwei Xia

M

Muhammad Qasim

C

Chao Li *

A

Ao Chen *

Z

Zhanshan Ma *

C

Chen Tan *

DOI：10.1016/j.jcat.2026.117091

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• A series of biphenyl-substituted α-diimine Brookhart-Ni catalysts were synthesized, which exhibited high activity for ethylene polymerization. • The resultant highly branched polyethylene elastomers (HBPE) effectively toughen polypropylene with superior impact resistance compared with commercial POE. • The biphenyl-substituted Brookhart-Ni catalysts efficiently mediate ethylene copolymerization with polar monomers.

Synthesis of highly branched polyethylene elastomers by using bis(4-biphenyl)methyl-containing Brookhart-Ni catalysts

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