1. Fiber and Polymer Science Program, North Carolina State University, Raleigh, North Carolina 27695, United States
2. Department of Forest Biomaterials, North Carolina State University, Raleigh, North Carolina 27695, United States
3. Department of Chemical & Biomolecular Engineering, North Carolina State University, Raleigh, North Carolina 27695, United States
4. Department of Materials Science & Engineering, North Carolina State University, Raleigh, North Carolina 27695, United States
5. Department of Chemistry, North Carolina State University, Raleigh, North Carolina 27695, United States