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01-02-2025 | Original Paper

Chain transfer to monomer – the main chain-growth termination reaction in radical ring-opening polymerization of ketene acetals

Authors: Mikhail Yu. Zaremski, Elvin E. Aliev, Elena V. Pukhanova, Nataliya S. Goulioukina

Published in: Journal of Polymer Research | Issue 2/2025

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Abstract

The article delves into the radical ring-opening polymerization (rROP) of cyclic ketene acetals (CKAs), highlighting the unique kinetic features and low molecular weight of the resulting polymers. It presents systematic studies on the polymerization of 2-methylene-1,3-dioxepane (MDO), demonstrating that the molecular weight is weakly dependent on experimental conditions. The study identifies chain transfer to monomer as the principal termination mechanism, offering a new perspective on the polymerization process. The experimental section provides detailed methods for polymerization and molecular weight characterization, while the results and discussion section presents a thorough analysis of the chain transfer to monomer constant, using the method of linearizing chain length distribution. The article concludes with implications for understanding the polymerization mechanism and potential applications in the synthesis of biodegradable polymers.

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Title: Chain transfer to monomer – the main chain-growth termination reaction in radical ring-opening polymerization of ketene acetals
Authors: Mikhail Yu. Zaremski
Elvin E. Aliev
Elena V. Pukhanova
Nataliya S. Goulioukina
Publication date: 01-02-2025
Publisher: Springer Netherlands
Published in: Journal of Polymer Research / Issue 2/2025
Print ISSN: 1022-9760
Electronic ISSN: 1572-8935
DOI: https://doi.org/10.1007/s10965-025-04257-8

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Chain transfer to monomer – the main chain-growth termination reaction in radical ring-opening polymerization of ketene acetals

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