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Related Concept Videos

Ion Exchange01:17

Ion Exchange

637
Ion exchange chromatography separates charged molecules from a solution by reversibly exchanging them with mobile, or 'active', ions associated with the oppositely charged stationary phase. This method can be used to separate ions, soften and deionize water, and purify solutions. The polymers comprising the ion-exchange column are high-molecular-weight and chemically stable polymers, crosslinked to be porous and essentially insoluble. They are also functionalized with either acidic or...
637

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Updated: Aug 25, 2025

Synthesis of Soft Polysiloxane-urea Elastomers for Intraocular Lens Application
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A Novel Ionic Conductive Polyurethane Based on Deep Eutectic Solvent Continuing Traditional Merits.

Haoge Cheng1, Kaiyue Yang1, Yuze Zhang1

  • 1Qingdao Innovation and Development Center, Harbin Engineering University, Qingdao 266000, China.

ACS Applied Materials & Interfaces
|October 18, 2022
PubMed
Summary
This summary is machine-generated.

Researchers developed a novel ionic conductive polyurethane (CPU) using a green deep eutectic solvent (DES). This material retains polyurethane

Keywords:
anti-freezingconductive polyurethanedeep eutectic solventpressure sensorsolvent resistance

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Area of Science:

  • Materials Science
  • Polymer Chemistry
  • Artificial Intelligence

Background:

  • Traditional polyurethanes (PUs) lack ionic conductivity, hindering their use in bionic systems.
  • Incorporating ionic conductivity into elastomers often compromises their mechanical properties.

Purpose of the Study:

  • To synthesize a liquid-free, ionic conductive polyurethane (CPU) that maintains the desirable properties of traditional PU.
  • To explore the potential of deep eutectic solvents (DES) as both cross-linking agents and ionic conductors in PU synthesis.

Main Methods:

  • One-step copolymerization of a green deep eutectic solvent (DES) with a polyurethane prepolymer.
  • Characterization of the synthesized CPU's mechanical, optical, and ionic conductive properties.
  • Fabrication and testing of a pressure sensor utilizing the CPU as a sensing element.

Main Results:

  • The synthesized CPU exhibits excellent transparency (93.3%) and mechanical properties, similar to traditional PU.
  • The CPU demonstrates good ionic conductivity (3.78 × 10-5 S cm-1) and environmental resistance, including anti-freezing capabilities.
  • The CPU-based pressure sensor shows high sensitivity, long-term stability, and a wide response range (0.17-3.28 MPa).

Conclusions:

  • A novel method for creating ionic conductive polyurethane was successfully developed using DES.
  • The resulting CPU material is suitable for advanced applications in artificial intelligence and sensing technologies.
  • The developed material offers a promising solution for creating robust and high-performance flexible electronic components.