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Related Concept Videos

Olefin Metathesis Polymerization: Overview01:13

Olefin Metathesis Polymerization: Overview

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Recently, the development of olefin metathesis polymerization advanced the field of polymer synthesis. Simply put, the reorganization of substituents on their double bonds between two olefins in the presence of a catalyst is known as the olefin metathesis reaction. The use of metathesis reaction for polymer synthesis is called olefin metathesis polymerization.
Ruthenium-based Grubbs catalyst is the most commonly used catalyst for olefin metathesis polymerization. Grubbs catalyst consists of a...
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Olefin Metathesis Polymerization: Acyclic Diene Metathesis (ADMET)00:53

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Acyclic diene metathesis polymerization or ADMET polymerization involves cross-metathesis of terminal dienes, such as 1,8-nonadiene, to give linear unsaturated polymer and ethylene. As ADMET is a reversible process, the formed ethylene gas must be removed from the reaction mixture to complete the polymerization process.
Similar to cross-metathesis, ADMET also involves the formation of metallacyclobutane intermediate by [2+2] cycloaddition of one of the double bonds of a terminal diene with...
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Free-Radical Chain Reaction and Polymerization of Alkenes02:35

Free-Radical Chain Reaction and Polymerization of Alkenes

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The conversion of alkenes to macromolecules called polymers is a reaction of high commercial importance. The structure of the polymer is defined by a repeating unit, while the terminal groups are considered insignificant. The average degree of polymerization represents the number of repeating units in the polymer molecule and is denoted by the subscript n.
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Ziegler–Natta Chain-Growth Polymerization: Overview01:17

Ziegler–Natta Chain-Growth Polymerization: Overview

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Ziegler–Natta polymerization is another form of addition or chain‐growth polymerization used for synthesizing linear polymers over branched polymers. The catalyst used for polymerization is the Ziegler–Natta catalyst, named after Karl Ziegler and Giulio Natta, who developed it in 1953. This catalyst is an organometallic complex of titanium tetrachloride and triethyl aluminum, with the active form of the catalyst being an alkyl titanium compound. Using the Ziegler–Natta...
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Anionic Chain-Growth Polymerization: Overview01:20

Anionic Chain-Growth Polymerization: Overview

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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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Olefin Metathesis Polymerization: Ring-Opening Metathesis Polymerization (ROMP)01:16

Olefin Metathesis Polymerization: Ring-Opening Metathesis Polymerization (ROMP)

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Ring-opening metathesis polymerization or ROMP involves strained cycloalkenes as starting materials. The mechanism of ROMP proceeds by reacting cycloalkene with Grubbs catalyst to give metallacyclobutane intermediate which undergoes a ring-opening reaction to form new carbene. The new carbene reacts with another molecule of cycloalkene. Repetition of these steps leads to the formation of an unsaturated open-chain polymer product. All these steps are reversible, however, relieving the ring...
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Updated: Mar 16, 2026

Anionic Polymerization of an Amphiphilic Copolymer for Preparation of Block Copolymer Micelles Stabilized by π-π Stacking Interactions
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Anionic Polymerization of an Amphiphilic Copolymer for Preparation of Block Copolymer Micelles Stabilized by π-π Stacking Interactions

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Water-Soluble Metallocene-Containing Polymers.

Arda Alkan1, Frederik R Wurm2

  • 1Max Planck Institute for Polymer Research (MPIP), Ackermannweg 10, 55128, Mainz, Germany.

Macromolecular Rapid Communications
|August 6, 2016
PubMed
Summary
This summary is machine-generated.

This review collects synthetic routes for water-soluble metallocene polymers, essential for biological applications like drug delivery. It focuses on neutral ferrocene/ruthenocene and charged cobaltocenium macromolecules.

Keywords:
drug-deliveryferrocenesmetallocenesorganometallic polymerspoly(ethylene glycol)

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Area of Science:

  • Organometallic Chemistry
  • Polymer Science
  • Materials Science

Background:

  • Metallocenes are organometallic compounds known for reversible redox behavior and tunable potentials.
  • Incorporating metallocenes into polymers combines redox activity with polymer properties.
  • Existing metallocene-containing polymers are predominantly hydrophobic, limiting biological applications.

Purpose of the Study:

  • To compile and discuss synthetic strategies for creating water-soluble metallocene-containing polymers.
  • To highlight the importance of water solubility for biomedical applications, particularly drug delivery.
  • To focus on neutral ferrocene/ruthenocene and charged cobaltocenium macromolecules.

Main Methods:

  • Literature review of synthetic routes for water-soluble metallocene polymers.
  • Categorization based on metallocene type (neutral vs. charged) and structure.
  • Analysis of self-assembly behavior and properties of the resulting polymers.

Main Results:

  • Identification and discussion of various synthetic protocols for water-soluble metallocene polymers.
  • Emphasis on ferrocene, ruthenocene, and cobaltocenium based systems.
  • Exploration of self-assembly characteristics and potential benefits of these water-soluble materials.

Conclusions:

  • Water-soluble metallocene polymers are crucial for advancing drug delivery and other biological applications.
  • A comprehensive understanding of their synthesis is vital for material development.
  • These materials offer unique redox-active properties in aqueous environments.