Polimeryzacja rodnikowa z odwracalną dezaktywacją aktywnych centrów

P. Kubisa

doi:10.14314/polimery.2000.741

Published : 2022-09-21

Vol. 45 No. 11-12 (2000)

Radical folymerization with reversible deactivation of active species

P. Kubisa

DOI: https://doi.org/10.14314/polimery.2000.741

Abstract

The living polymerization discovered by M. Szwarc (in ionic polymerization) opened new vistas and systems leading to living polymers are now prepared in growing numbers. Certain systems, especially ones undergoing radical polymerization, were found to produce, in spite of the termination reaction, living polymers endowed with predetermined molecular weights and narrow MWD. Such systems include those in which active species remain at equilibrium with dormant species produced by a fast and totally reversible reaction which process is on the top of a slow irreversible reaction of termination (eqns. 2, 3). First trials to produce such processes in radical polymerization date back to the 1980 s, but only recently systems were developed which fully meet all the requirements. The nitroxide mediated radical polymerization (e.g., TEMPO) (Figs. 2, 3; eqns. 5 and 7) and the atom transfer radical polymerization (ATRP, eqns. 8-10) are the processes most extensively studied. Fundamental features of these processes are reviewed, their limitations are discussed, and MALDI TOP applications are described to study the ATRP polymerization of acrylates (Fig. 4).

Keywords

polimeryzacja rodnikowa ; odwracalna dezaktywacja centrów aktywnych ; polimeryzacja rodnikowa wobec rodników nitroksylowych (TEMPO) ; polimeryzacja rodnikowa z przeniesieniem atomu (ATRP) radical polymerization ; reversible deactivation of active species ; nitroxide mediated radical polymerization (TEMPO) ; atom transfer radical polymerization (ATRP)

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Kubisa, P. (2022). Radical folymerization with reversible deactivation of active species. Polimery, 45(11-12), 741-750. https://doi.org/10.14314/polimery.2000.741

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