Brittleness in nanocellulose paper can be a common issue due to the inherent properties of nanocellulose fibers and the way they are processed. Here are several strategies you can consider to alleviate brittleness and improve the mechanical properties of your nanocellulose paper:
1. **Additives:**
- **Plasticizers:** Incorporate plasticizers such as glycerol, sorbitol, or polyethylene glycol (PEG) to increase flexibility and reduce