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Related Concept Videos

Step-Growth Polymerization: Overview01:03

Step-Growth Polymerization: Overview

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Step-growth or condensation polymerization is a stepwise reaction of bi or multifunctional monomers to form long-chain polymers. As all the monomers are reactive, most of the monomers are consumed at the early stages of the reaction to form small chains of reactive oligomers, which then combine to form long polymer chains in the late stages. Hence, the reaction has to proceed for a long time to achieve high molecular weight polymers.
Many natural and synthetic polymers are produced by...
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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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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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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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Polymer Classification: Architecture01:14

Polymer Classification: Architecture

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Polymers are classified as linear or branched on the basis of their chain architecture. The polymer chains in linear polymers have a long chain-like structure with minimal to no branching at all. Even if a polymer features large substituent groups on the monomer, which appear as branches to the skeleton, it is not considered a branched polymer. A branched polymer contains secondary polymer chains that arise from the main polymer chain. The branching occurs when the polymer growth shifts from...
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Polymer Classification: Crystallinity01:21

Polymer Classification: Crystallinity

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Unlike ionic or small covalent molecules, polymers do not form crystalline solids due to the diffusion limitations of their long-chain structures. However, polymers contain microscopic crystalline domains separated by amorphous domains.
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Characterization of Synthetic Polymers via Matrix Assisted Laser Desorption Ionization Time of Flight MALDI-TOF Mass Spectrometry
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Advanced Synthesis, Structural Characterization, and Functional Applications of Precision Polymers.

Jie Cen1, Mingxuan Hou1, Jinming Hu1

  • 1Key Laboratory of Precision and Intelligent Chemistry, Department of Polymer Science and Engineering, School of Chemistry and Materials Science, University of Science and Technology of China, Hefei, Anhui, 230026, China.

Chemistry (Weinheim an Der Bergstrasse, Germany)
|July 30, 2024
PubMed
Summary

Precision polymer chemistry creates synthetic polymers with defined sequences and lengths, mimicking biological macromolecules. These advancements enable new applications in materials science and medicine.

Keywords:
CatalysisData storagePrecision polymerSelf-assemblyTheranostic agent

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Area of Science:

  • Polymer Science
  • Materials Chemistry
  • Biomimetic Materials

Background:

  • Biological macromolecules like nucleic acids and proteins possess homochirality, defined lengths, and sequence-dependent functions.
  • Traditional synthetic polymers often lack these precise attributes, showing variable lengths and random monomer sequences.
  • This disparity presents a significant challenge in polymer science, hindering the development of advanced functional materials.

Purpose of the Study:

  • To review the synthesis and characterization of precision polymers.
  • To explore the potential applications of these advanced synthetic materials.
  • To identify future challenges and research directions in precision polymer chemistry.

Main Methods:

  • Discussion of innovative liquid-phase and solid-phase synthesis techniques for precision polymers.
  • Overview of advanced characterization tools for analyzing polymer structure and properties.
  • Review of structure-property correlations in functional polymers.

Main Results:

  • Recent advancements enable the creation of precision polymers with controlled monomer sequences and narrow molecular weight distributions.
  • These precision polymers serve as model systems for understanding structure-property relationships.
  • Potential applications span self-assembly, catalysis, data storage, imaging, and therapeutics.

Conclusions:

  • Precision polymer chemistry is bridging the gap between synthetic polymers and biological macromolecules.
  • The development of precision polymers opens new avenues for functional materials with tailored properties.
  • Further research is needed to overcome challenges and fully realize the potential of precision polymers in diverse applications.