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Related Concept Videos

Ion Exchange01:17

Ion Exchange

1.1K
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...
1.1K
Coagulation01:06

Coagulation

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Colloidal solids are solid particles suspended in solution. They are usually negatively charged, attracting a compact primary layer of positively charged ions, which attract more counterions to form an electrical double layer. Electrostatic repulsion between the charged double layers prevents the particles from colliding, stabilizing the colloids. These solids are often undesirable because they can contain toxins that are difficult to remove. Coagulation is a technique that helps aggregate and...
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Intermolecular Forces03:13

Intermolecular Forces

68.3K
Atoms and molecules interact through bonds (or forces): intramolecular and intermolecular. The forces are electrostatic as they arise from interactions (attractive or repulsive) between charged species (permanent, partial, or temporary charges) and exist with varying strengths between ions, polar, nonpolar, and neutral molecules. The different types of intermolecular forces are ion–dipole, dipole–dipole, hydrogen bonds, and dispersion; among these, dipole–dipole, hydrogen...
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Molecular and Ionic Solids02:54

Molecular and Ionic Solids

19.7K
Crystalline solids are divided into four types: molecular, ionic, metallic, and covalent network based on the type of constituent units and their interparticle interactions.
Molecular Solids
Molecular crystalline solids, such as ice, sucrose (table sugar), and iodine, are solids that are composed of neutral molecules as their constituent units. These molecules are held together by weak intermolecular forces such as London dispersion forces, dipole-dipole interactions, or hydrogen bonds, which...
19.7K
Colloidal precipitates01:09

Colloidal precipitates

4.6K
The high insolubility of some precipitates can result in an unfavorable relative supersaturation. This can lead to colloidal particles with a large surface-to-mass ratio, where adsorption is promoted. For instance, in the precipitation of silver chloride, silver ions are adsorbed on the surface of the colloidal particles, forming a primary layer. This layer attracts ions of opposite charge (such as nitrate ions), forming a diffuse secondary layer of adsorbed ions. This electric double layer...
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Updated: Dec 27, 2025

From Molecules to Materials: Engineering New Ionic Liquid Crystals Through Halogen Bonding
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From Molecules to Materials: Engineering New Ionic Liquid Crystals Through Halogen Bonding

Published on: March 24, 2018

69.5K

Poly(ionic liquid) composites.

Su-Yun Zhang1, Qiang Zhuang, Miao Zhang

  • 1School of Chemistry and Chemical Engineering, Beijing Institute of Technology, Beijing, P. R. China. jiankesun@bit.edu.cn.

Chemical Society Reviews
|February 26, 2020
PubMed
Summary
This summary is machine-generated.

Poly(ionic liquid)s (PILs) and their composites offer unique properties by combining polymers and ionic liquids. This review highlights preparation methods and applications of these advanced PIL composites.

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Last Updated: Dec 27, 2025

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Synthesis of Ionic Liquid Based Electrolytes, Assembly of Li-ion Batteries, and Measurements of Performance at High Temperature
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Area of Science:

  • Materials Science
  • Polymer Chemistry

Background:

  • Poly(ionic liquid)s (PILs) are polyelectrolytes merging polymer and ionic liquid characteristics.
  • PILs show promise for advanced composite materials.

Purpose of the Study:

  • To review recent advancements in poly(ionic liquid) composites.
  • To emphasize preparation techniques and synergistic effects.

Main Methods:

  • Focus on intrinsic properties of PILs for composite preparation.
  • Investigate synergistic effects between PILs and functional substances.

Main Results:

  • PIL composites exhibit novel properties and enhanced functions.
  • Diverse applications are enabled by tailored PIL composite development.

Conclusions:

  • PIL composites represent a significant development in ionic polymer utilization.
  • Further research into preparation and applications is warranted.