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Comparison and assessment of methods for cellulose crystallinity determination
Khandoker Samaher Salem1,2, Nitesh Kumar Kasera1,3, Md Ashiqur Rahman1,4
1Department of Applied Chemistry and Chemical Engineering, University of Dhaka, Dhaka-1000, Bangladesh. samaher.salem@du.ac.bd.
Chemical Society Reviews
|August 17, 2023
Summary
Accurately measuring cellulose crystallinity is difficult due to varied analytical techniques and lack of standards. This review compares methods like X-ray diffraction (XRD) and spectroscopy to guide researchers in cellulose material studies.
Area of Science:
- Materials Science
- Polymer Chemistry
- Biochemistry
Background:
- Cellulose crystallinity is crucial for material properties, processing, and applications.
- Accurate measurement is hindered by inconsistent analytical techniques and lack of standards.
Purpose of the Study:
- To review and compare primary methods for estimating cellulose crystallinity.
- To guide researchers in selecting appropriate techniques for cellulose material analysis.
Main Methods:
- X-ray diffraction (XRD)
- Nuclear Magnetic Resonance (NMR) spectroscopy
- Raman and Fourier-transform infrared (FTIR) spectroscopy
- Sum-frequency generation vibrational spectroscopy (SFG)
- Differential scanning calorimetry (DSC)
- Cellulose binding molecules (CBMs)
Main Results:
- Comparison of techniques highlights their requirements, differences, synergies, and limitations.
- Fundamental principles are provided to aid researchers in initiating crystallinity studies.
Conclusions:
- A comprehensive understanding of various methods is essential for accurate cellulose crystallinity assessment.
- This review serves as a guide for the scientific community studying cellulosic materials.
