Addition Polymerization of 5-Ethylidene-2-Norbornene in the Presence of Pd N-Heterocyclic Carbene Complexes


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Abstract

New high-performance catalytic systems based on Pd N-heterocyclic carbene complexes for the selective addition polymerization of 5-ethylidene-2-norbornene (ENB) were proposed. With these catalysts, polymerization can be conducted at unprecedentedly high monomer/catalyst ratio (up to 5 × 105/1) and gives high-molecular-weight soluble polymers with good film-forming properties. Varying the polymerization conditions (reaction temperature, monomer and catalyst concentrations, monomer/Pd ratio) makes it possible to prepare soluble ENB-based addition polymers with specified molecular weights in reasonable yields.

About the authors

M. A. Topchiy

Topchiev Institute of Petrochemical Synthesis

Email: bmv@ips.ac.ru
Russian Federation, Moscow, 119991

P. S. Gribanov

Topchiev Institute of Petrochemical Synthesis

Email: bmv@ips.ac.ru
Russian Federation, Moscow, 119991

M. S. Nechaev

Topchiev Institute of Petrochemical Synthesis; Moscow State University

Email: bmv@ips.ac.ru
Russian Federation, Moscow, 119991; Moscow, 119991

M. V. Bermeshev

Topchiev Institute of Petrochemical Synthesis; Mendeleev University of Chemical Technology of Russia

Author for correspondence.
Email: bmv@ips.ac.ru
Russian Federation, Moscow, 119991; Moscow, 125047

G. O. Karpov

Topchiev Institute of Petrochemical Synthesis

Email: bmv@ips.ac.ru
Russian Federation, Moscow, 119991

E. V. Bermesheva

Topchiev Institute of Petrochemical Synthesis

Email: bmv@ips.ac.ru
Russian Federation, Moscow, 119991

A. V. Zudina

Topchiev Institute of Petrochemical Synthesis; Sechenov First Moscow State Medical University (1st MSMU)

Email: bmv@ips.ac.ru
Russian Federation, Moscow, 119991; Moscow, 119992

A. F. Asachenko

Topchiev Institute of Petrochemical Synthesis

Email: bmv@ips.ac.ru
Russian Federation, Moscow, 119991

L. I. Minaeva

OOO INSILIKO

Email: bmv@ips.ac.ru
Russian Federation, Moscow, 143026


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