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Related Concept Videos

Ziegler–Natta Chain-Growth Polymerization: Overview01:17

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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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Olefin Metathesis Polymerization: Overview01:13

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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...
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Polymers02:34

Polymers

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The word polymer is derived from the Greek words “poly” which means “many” and “mer” which means “parts”. Polymers are long chains of molecules composed of repeating units of smaller molecules, known as monomers. They either occur naturally, such as DNA and proteins, or can be constructed synthetically, like plastics. They have varied structural characteristics, such as linear chains, branched chains, or complex networks, that contribute to the...
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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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Catalysis02:50

Catalysis

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The presence of a catalyst affects the rate of a chemical reaction. A catalyst is a substance that can increase the reaction rate without being consumed during the process. A basic comprehension of a catalysts’ role during chemical reactions can be understood from the concept of reaction mechanisms and energy diagrams.
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Updated: Sep 22, 2025

Facile Synthesis of Worm-like Micelles by Visible Light Mediated Dispersion Polymerization Using Photoredox Catalyst
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Soluble Polymers as Tools in Catalysis.

David E Bergbreiter1

  • 1Department of Chemistry, Texas A&M University, College Station, Texas 77842-3012, United States.

ACS Macro Letters
|May 20, 2022
PubMed
Summary
This summary is machine-generated.

Soluble polymers are increasingly used in homogeneous catalysis, offering new ways to influence catalysts. Advances in polymer science and separation techniques drive this growing interest.

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Area of Science:

  • Polymer Chemistry
  • Catalysis Science

Background:

  • Soluble polymers have a long history in homogeneous catalysis, dating back 50 years.
  • Their potential remained largely untapped until the 1990s.

Purpose of the Study:

  • To explore the growing interest and applications of soluble polymers in catalysis.
  • To highlight advancements enabling their use as catalytic tools.

Main Methods:

  • Utilizing novel polymers and advanced polymer synthesis techniques.
  • Implementing innovative separation strategies.
  • Leveraging the structural and physical properties of soluble polymers.

Main Results:

  • Significant increase in research interest in soluble polymers for catalysis since the 1990s.
  • Demonstrated influence of polymer structure and properties on catalytic activity.

Conclusions:

  • Soluble polymers are valuable and increasingly utilized tools in homogeneous catalysis.
  • Continued advancements in polymer science are expanding their catalytic applications.