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Anionic Chain-Growth Polymerization: Overview01:20

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The polymerization process that involves carbanion as an intermediate is called anionic polymerization. It is also a type of addition or chain-growth polymerization. Anionic polymerization gets initiated by a strong nucleophile such as an organolithium or a Grignard reagent. The most commonly used initiator for anionic polymerization is butyl lithium. Monomers involved in anionic polymerization must possess a vinyl group bonded to one or two electron-withdrawing groups. For instance,...
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Cationic Chain-Growth Polymerization: Mechanism00:57

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The cationic polymerization mechanism consists of three steps: initiation, propagation, and termination. In the initiation step of the polymerization process, the π bond of a monomer gets protonated by the Lewis acid catalyst, which is formed from boron trifluoride and water. The protonation of the π bond generates a carbocation stabilized by the electron‐donating group. In the propagation step, the π bond of the second monomer acts as a nucleophile and attacks the...
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Video Experimental Relacionado

Updated: Feb 17, 2026

Using Polystyrene-block-polyacrylic acid-coated Metal Nanoparticles as Monomers for Their Homo- and Co-polymerization
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Formación de nanopartículas utilizando coacervados simples de poliacrilato de policationes como plantilla

Bastian Rödig1, Patrick Denk1, Ulrich Schürmann2

  • 1Institute of Physical and Theoretical Chemistry, University of Regensburg, Universitätsstr. 31 D-93053 Regensburg Germany.

RSC advances
|February 16, 2026
PubMed
Resumen

La simple separación de fases líquido-líquido de ácido poliacrílico y metales de transición crea plantillas de nanopartículas. Este método produce eficientemente nanopartículas de carbonato, sulfuro y óxido de metales de transición para posibles aplicaciones catalíticas.

Palabras clave:
ácido poliacrílicocoacervadosnanopartículasmetales de transiciónsíntesiscatalizadores

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