Technical Description
The invention is a solvent-less carboxymethylation process that directly reacts solid chitosan with a halocarboxylic acid to synthesize environmentally stable, extensively crosslinked carboxymethyl chitosan without utilizing any solvents, mineral bases, or external catalysts.
Problems Addressed
- Slurry Process Costs
- Hazardous Solvent Use
- Alkalization Pre-Treatments
- Low Acid Stability
Tech Features
- Dry Solid-State Reaction
- Self-Catalyzed Amine Chemistry
- Electrostatic Ionic Crosslinking
- Multi-Pass Extruder Compounding
- Universal Acid/Base Insolubility
- Centrifugal Catalyst Recovery
Target Audience
- Specialty Chemical Producers
- Water Treatment Plants
Tech ID: P06-2259 TRL 4 Patent Status: Granted Available For Exclusive and Non-exclusive License
