What is Cellulose Nanocrystal (Nanocrystalline Cellulose, CNC)?
Cellulose Nanocrystal (CNC), also known as Nanocrystalline Cellulose, is a biodegradable and renewable nanomaterial derived from natural cellulose sources such as wood, cotton, and plant fibers. It exhibits high strength, lightweight properties, and excellent dispersibility, making it a key material in bioplastics, coatings, composites, biomedical applications, and energy storage systems.
Chemical Properties and CAS Number
- Chemical Formula: (C₆H₁₀O₅)n
- CAS Number: 9004-34-6
- Appearance: White or translucent fine powder or suspension
- Density: ~1.5 g/cm³
- Solubility: Dispersible in water and some organic solvents
- Chemical Stability: High surface area, excellent mechanical strength, biodegradable
Applications of Cellulose Nanocrystal (CNC)
1. Biodegradable Plastics & Polymer Composites
Used as a reinforcing filler in biodegradable plastics, lightweight composites, and eco-friendly packaging materials.
2. Coatings & Barrier Films
Applied in high-performance coatings, moisture-resistant films, and UV-blocking layers for enhanced mechanical and barrier properties.
3. Biomedical & Drug Delivery Applications
Utilized in wound healing, tissue engineering, and targeted drug delivery systems due to its biocompatibility and controlled release properties.
4. Energy Storage & Supercapacitors
Integrated into lithium-ion batteries and supercapacitors to improve electrode stability and charge retention.
5. Food & Pharmaceutical Additives
Used as a stabilizer, thickener, and emulsifier in food products, pharmaceuticals, and cosmetics.
6. Water Filtration & Environmental Applications
Employed in filtration membranes, pollutant adsorption, and wastewater treatment due to its high surface area and strong adsorption capacity.
Pricing of Cellulose Nanocrystal (CNC)
Prices vary based on purity, particle size, and industrial application:
- Industrial Grade: Typically ranges from $50 – $300 per kilogram
- High-Purity/Specialized Grade: Prices range from $500 – $2,000 per kilogram, used in biomedical, coatings, and high-performance materials.
Factors Influencing Cellulose Nanocrystal Prices
- Purity level and source of cellulose
- Functionalization and surface treatment
- Bulk order volume and synthesis cost
- Industry demand for bio-based nanomaterials
Conclusion
Cellulose Nanocrystal (CNC) is a high-performance, biodegradable nanomaterial used in bioplastics, coatings, biomedical applications, energy storage, and composites. Its lightweight structure, excellent mechanical strength, and renewability make it essential for advanced sustainable materials. Pricing depends on purity, processing, and specific industrial needs.
