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Related Concept Videos

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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TAPE: A Biodegradable Hemostatic Glue Inspired by a Ubiquitous Compound in Plants for Surgical Application
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A Phenol-Amine Superglue Inspired by Insect Sclerotization Process.

Younseon Wang1, Eun Je Jeon2,3, Jeehee Lee4

  • 1Department of Chemistry, Korea Advanced Institute of Science and Technology (KAIST), 291 University Rd., Daejeon, 34141, Republic of Korea.

Advanced Materials (Deerfield Beach, Fla.)
|August 27, 2020
PubMed
Summary
This summary is machine-generated.

Researchers developed an eco-friendly superglue by mimicking insect sclerotization. This biocompatible, waterborne adhesive offers strong adhesion comparable to epoxy, with applications in medicine and industry.

Keywords:
adhesivesnanoparticlesphenol-aminewound closure

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Area of Science:

  • Biomaterials Science
  • Polymer Chemistry
  • Adhesives Technology

Background:

  • Insect exoskeletons possess remarkable mechanical properties due to sclerotization.
  • Developing strong, biocompatible, and environmentally friendly adhesives remains a significant challenge.

Purpose of the Study:

  • To mimic insect sclerotization for creating a novel superglue.
  • To evaluate the adhesive strength, biocompatibility, and application potential of the new formulation.

Main Methods:

  • Mimicking the sclerotization process using phenol and polyamine molecules.
  • Utilizing oxygen in air and water as a curing initiator.
  • Assessing lap shear strength on various substrates and biological tissues.

Main Results:

  • A 100% ecofriendly, biocompatible, waterborne superglue was successfully synthesized without additional initiators.
  • Adhesion strength exceeded 6 MPa, comparable to commercial epoxy glues.
  • The superglue demonstrated strong bonding to diverse materials, including ceramics, woods, fabrics, plastics, metals, and biological tissues.
  • Effective and rapid wound sealing was achieved with no harmful volatile organic compound release.

Conclusions:

  • The phenol-amine superglue offers a sustainable and high-performance alternative to conventional adhesives.
  • Its versatile bonding capabilities and biocompatibility position it for revolutionary use in industrial, biomedical, and everyday applications.
  • The cost-effective and simple preparation method enhances its practical utility.