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Related Concept Videos

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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Polymer Classification: Architecture01:14

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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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Step-Growth Polymerization: Overview01:03

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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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Particles without a Box: Brush-first Synthesis of Photodegradable PEG Star Polymers under Ambient Conditions
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Brush-like polymers: design, synthesis and applications.

Liying Yin1, Lin Liu1, Ning Zhang1

  • 1Department of Chemistry, Northeast Normal University, Changchun 130024, P. R. China. zhangn380@nenu.edu.cn.

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Summary

Surface-initiated polymerization creates polymer brushes for tailored material properties. Challenges remain in precise synthesis and topological control for advanced applications.

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Area of Science:

  • Materials Science and Engineering
  • Polymer Chemistry
  • Surface Science

Background:

  • Controlled polymerization techniques have been adapted for surface-initiated polymerization.
  • Polymer brushes are effective for surface functionalization and property modulation.
  • Tailoring material surfaces with polymer brushes offers diverse dimensionalities, morphologies, and compositions.

Purpose of the Study:

  • To review synthetic protocols for efficient polymer brush synthesis.
  • To highlight the topology, applications, and challenges of polymer brushes.
  • To discuss benefits and limitations of established and recent methods.

Main Methods:

  • Adaptation of various polymerization strategies to surface-initiated polymerization.
  • Focus on recently established synthetic protocols for polymer brush creation.
  • Analysis of topological control in polymer brush synthesis.

Main Results:

  • Polymer brushes exhibit unique physicochemical properties due to their crowded and stretched chain conformations.
  • Applications include inorganic-organic hybrid nanostructures, anti-fouling coatings, biomedical carriers, lubrication, photonics, and energy storage.
  • Challenges persist in achieving high-precision synthesis and topological control.

Conclusions:

  • Polymer brushes are versatile tools for advanced material design and surface engineering.
  • Continued research into precise synthesis and topological control is crucial for expanding applications.
  • This review provides insights into synthetic methods, prospects, and limitations for polymer brush development.