Achieving cellulose nanocrystal (CNC) powder with excellent dispersibility and scalability.
*Please note that even if you contact us via "Download Catalog" below, we will not be able to confirm the content. For inquiries, please use "Contact Us via Web."* <Background and Issues> Cellulose nanofibers (CNF) and cellulose nanocrystals (CNC) are attracting attention as next-generation resin fillers due to their lightweight and high-strength properties. However, conventional methods often lead to aggregation and crystallization during the drying process, making re-dispersion in water or resin difficult. As a result, CNC is primarily distributed as an aqueous dispersion, facing challenges in transportation costs and storage stability. <Technical Overview> This technology provides a method to obtain powdered CNC through a simple process of grinding microcrystalline cellulose in a low-dielectric organic solvent and then drying it. - Grinding → Drying → Powdering - No special surface treatment required - Efficient grinding even under high concentration conditions <Verification Data> - In comparisons based on solvent treatment, good powders were obtained with toluene and cyclohexane treatments, confirming excellent re-dispersibility. - SEM observations confirmed that the fine powder suppresses crystallization and aggregation.
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basic information
- Simple and highly scalable: A process suitable for mass production - Suppresses agglomeration and skin formation: Maintains powder state even after drying - High re-dispersibility in water: Easily re-dispersible without additional processing - Excellent biodegradability and biocompatibility: Applicable to environmentally friendly materials - Easy to store and transport: Cost reduction compared to conventional water dispersions
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■Expected Applications Resin and materials industry: High-strength composites, lightweight structural materials Energy industry: Fuel cell membranes, green hydrogen production Chemical and paper pulp industry: Coatings, paper additives
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