Influence of the N–H functionality on activating O,N,N-titanium complexes and controlling polyethylene molecular weights and distributions

Author:

Tian Jiliang1,Gao Zhihao1,Liu Yongxin1,Braunstein Pierre2ORCID,Liu Shaofeng1ORCID,Li Zhibo13ORCID

Affiliation:

1. Key Laboratory of Biobased Polymer Materials, College of Polymer Science and Engineering, Qingdao University of Science and Technology, Qingdao, 266042, China

2. Institut de Chimie (UMR 7177 CNRS), Université de Strasbourg, 4 rue Blaise Pascal, CS 90032, F-67081 Strasbourg Cedex, France

3. College of Chemical Engineering, Qingdao University of Science and Technology, Qingdao 266042, China

Abstract

Ti complexes supported by O,N,N-ligands show unprecedented activity in ethylene polymerization and produce polymers with unimodal/narrow or bimodal/broad distributions, depending upon amine-N substituents and catalyst pre-activation or not.

Funder

Higher Education Discipline Innovation Project

National Natural Science Foundation of China

Key Technology Research and Development Program of Shandong Province

Publisher

Royal Society of Chemistry (RSC)

Subject

Inorganic Chemistry

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