Related Experiment Video
Updated: Jun 28, 2026

Controlled Photoredox Ring-Opening Polymerization of O-Carboxyanhydrides Mediated by Ni/Zn Complexes
Published on: November 21, 2017
Control of molecular weight in Ni(II)-catalyzed polymerization via the reaction medium
Damien Guironnet1, Thomas Rünzi, Inigo Göttker-Schnetmann
1Chair of Chemical Materials Science, Dept. of Chemistry, University of Konstanz, 78464 Konstanz, Germany.
Abstract:
The reaction medium controls polymerization with highly active (kappa(2)-P,O)-phosphinesulfonato nickel methyl complexes to afford polyethylenes ranging from low molecular weight (M(n)) branched material to high molecular weight (M(n)) strictly linear polymer.
More Related Videos
Related Concept Videos
Molecular Weight of Step-Growth Polymers
As the step-growth polymerization involves step-wise condensation of monomers, the molecular weight also builds up eventually. Consequently, high molecular weight polymers are obtained at the late stages of the polymerization, where 99% of monomers have been consumed.
The extent of the...
Ziegler–Natta Chain-Growth Polymerization: Overview
Polymers: Molecular Weight Distribution
Determination of Molar Masses of Polymers I
Polymers: Defining Molecular Weight
The number average molecular weight (Mn) is the summation of the number...
Cationic Chain-Growth Polymerization: Mechanism

