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Related Concept Videos

Cationic Chain-Growth Polymerization: Mechanism00:57

Cationic Chain-Growth Polymerization: Mechanism

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 generated carbocation,...
Polymers02:34

Polymers

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 properties that they exhibit. Additionally,...
Polymers02:34

Polymers

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 properties that they exhibit. Additionally,...
Polymers02:34

Polymers

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 properties that they exhibit. Additionally,...
Ziegler–Natta Chain-Growth Polymerization: Overview01:17

Ziegler–Natta Chain-Growth Polymerization: Overview

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 catalyst, high molecular...
Anionic Chain-Growth Polymerization: Overview01:20

Anionic Chain-Growth Polymerization: Overview

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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Preparation of Highly Porous Coordination Polymer Coatings on Macroporous Polymer Monoliths for Enhanced Enrichment of Phosphopeptides
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Polymerization reactions in porous coordination polymers.

Takashi Uemura1, Nobuhiro Yanai, Susumu Kitagawa

  • 1Department of Synthetic Chemistry and Biological Chemistry, Graduate School of Engineering, Kyoto University, Katsura, Nishikyo-ku, Kyoto 615-8510, Japan.

Chemical Society Reviews
|April 23, 2009
PubMed
Summary

Porous coordination polymers (PCPs) enable precision polymer synthesis within nanochannels. This review explores advanced methods for controlling polymer structures and creating novel PCP-polymer nanohybrids for materials science.

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Synthesis and Characterization of Self-Assembled Metal-Organic Framework Monolayers Using Polymer-Coated Particles

Published on: June 14, 2024

Area of Science:

  • Materials Science
  • Polymer Chemistry
  • Nanotechnology

Background:

  • Porous coordination polymers (PCPs) offer unique nanochannel environments.
  • PCPs possess regular structures, tunable channel dimensions, and functionalizable surfaces.
  • These features are advantageous for controlled polymerization and polymer confinement.

Purpose of the Study:

  • To review recent advancements in polymerization within PCP nanochannels.
  • To highlight methods for precise control over polymer structures.
  • To discuss the construction and analysis of low-dimensional polymer assemblies and PCP-polymer nanohybrids.

Main Methods:

  • Utilizing the intrinsic properties of PCPs for polymerization.
  • Employing advanced analytical techniques for low-dimensional polymer characterization.
  • Synthesizing and characterizing novel PCP-polymer nanohybrid materials.

Main Results:

  • Demonstration of multiple control strategies for polymer structure synthesis within PCPs.
  • Development of analytical systems for studying confined polymer assemblies.
  • Successful construction of various PCP-polymer nanohybrids.

Conclusions:

  • PCPs are highly effective platforms for precision polymer synthesis and confinement.
  • The reviewed approaches offer new possibilities for designing advanced polymer materials.
  • This field holds significant promise for inorganic, materials, and polymer chemistry researchers.