1-Ethyl-3-vinylimidazolium bromide, CAS: 34311-88-1

Key Applications:

Polymerizable Ionic Liquid for Advanced Materials

• Serves as a vinyl‑functional monomer enabling covalent incorporation of ionic‑liquid domains into polymer backbones.
• Used to prepare poly(ionic liquid) (PIL) membranes, coatings, and ion‑conductive films with tunable mechanical and transport properties.
• Supports fabrication of crosslinked ionogels, solid electrolytes, and hybrid polymer networks with enhanced stability.

Electrochemical and Energy Storage Systems

• Incorporated into solid and gel polymer electrolytes for lithium, sodium, and multivalent battery systems to improve ionic conductivity and electrochemical stability.
• Enhances charge transport in redox‑active polymer matrices and electrochemical devices requiring stable cationic sites.
• Applied in electrochemical actuators, flexible electronics, and ion‑conductive soft materials.

Functional Coatings and Surface Modification

• Enables formation of cationic polymer coatings with antistatic, antimicrobial, or adhesion‑enhancing properties.
• Used in surface‑grafted ionic‑liquid layers for corrosion resistance, wettability control, and improved interfacial ion transport.

Catalysis and Reaction Media

• Acts as a task‑specific ionic liquid for polymer‑supported catalysis when polymerized onto solid supports.
• Provides a tunable microenvironment for transition‑metal catalysis, radical polymerizations, and ionic‑liquid‑assisted transformations.

Separation Science and Sorption Materials

• Polymerized into ion‑exchange resins, sorbent films, and membranes for selective uptake of metal ions, dyes, and charged organics.
• Supports fabrication of gas‑separation membranes with enhanced CO₂ affinity due to imidazolium‑based interactions.

Optoelectronic and Soft‑Matter Applications

• Used in ionic polymer actuators, dielectric elastomers, and soft‑robotic components requiring stable ionic domains.
• Incorporated into photoresponsive or electrochromic polymer systems where ionic mobility and polymerizable functionality are critical.

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