Surface immobilization
Immobilized quaternary ammonium groups are studied for contact-active antibacterial coatings.
- Reagents
- functional polymer, surface anchor, or grafted chain
- Conditions
- material specific
- Reaction class
- polymer or surface functionalization
- Equation
- surface/polymer-R4N+ -> contact-active coating
Overview
Immobilized quaternary ammonium groups are studied for contact-active antibacterial coatings.
Transformation
Quaternary ammonium compounds → Antibacterial coatings
- Equation
- surface/polymer-R4N+ -> contact-active coating
- Reagents
- functional polymer, surface anchor, or grafted chain
- Environment
- material specific
- Reaction class
- polymer or surface functionalization
- Mechanism
- materials application link
- Evidence level
- literature supported
Scope and limitations
- Scope
- Applies to immobilised quaternary ammonium groups on polymers or surfaces.
- Limitations
- Performance depends on material design and testing.
Related reactions
- Alkylation: Amines → Quaternary ammonium compounds
Amines can be further alkylated to permanent cationic quaternary ammonium groups used in antimicrobial and ion-exchange materials.
- Charged polymer network: Quaternary ammonium compounds → Ion-exchange materials
Quaternary ammonium groups can form fixed cationic sites in ion-exchange resins and membranes.
References
- Contact-active antimicrobial surfaces containing quaternary ammonium compoundsJoerg C. Tiller and co-workers · Proceedings of the National Academy of Sciences · 2001
Classic example of covalently attached quaternary ammonium groups for contact-active surfaces.