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Hydrogen Bonding in Lignin: A Fourier Transform Infrared Model Compound Study
Abstract
Hydrogen bonding plays an important role in the thermal and mechanical properties of biopolymers. To investigate hydrogen bond formation in lignin, an abundant natural polymer found in plants, Fourier transform infrared (FTIR) analysis of various lignin model compounds was performed. Four monomeric model compounds and one dimeric model compound were studied under various conditions. FTIR analysis revealed aliphatic hydroxyl groups form stronger hydrogen bonds than phenolic hydroxyl groups. Further, the dimeric biphenyl-type structure formed significantly stronger intermolecular hydrogen bonds as compared to the other monomeric model compounds. Results from the model compound studies were used to explain the observed complex hydrogen-bonding system present in both softwood and hardwood technical lignins. Together with chemical analysis, we discuss the difference in hydrogen bonding between hardwood and softwood lignin and the observed differences in the glass transition temperature.
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Cited by
Towards quantitative catalytic lignin depolymerization
Roberts, V. M., Stein, V., Reiner, T., Lemonidou, A., Li, X., & Lercher, J. A. (2011) · Chemistry – A European Journal · doi:10.1002/chem.201002438 · Cited by 543
Collins, M. N., Nechifor, M., Tanasă, F., Zănoagă, M., McLoughlin, A., Stróżyk, M. A., Culebras, M., & Teacă, C.-A. (2019) · International Journal of Biological Macromolecules · doi:10.1016/j.ijbiomac.2019.03.069 · Cited by 486
Ko, J. K., Kim, Y., Ximenes, E., & Ladisch, M. R. (2015) · Biotechnology and Bioengineering · doi:10.1002/bit.25349 · Cited by 357
Recent advances in oxidative valorization of lignin
Ma, R., Guo, M., & Zhang, X. (2018) · Catalysis Today · doi:10.1016/j.cattod.2017.05.101 · Cited by 219
Rehman, K. U., Ur Rehman, R., Somroo, A. A., Cai, M., Zheng, L., Xiao, X., Ur Rehman, A., Rehman, A., Tomberlin, J. K., Yu, Z., et al. (2019) · Journal of Environmental Management · doi:10.1016/j.jenvman.2019.02.048 · Cited by 133
Metadata
- Authors
- Kubo, S., & Kadla, J. F.
- Venue
- Biomacromolecules
- Publisher
- American Chemical Society (ACS)
- Published
- 2005-06-30
- Volume
- 6
- Issue
- 5
- Pages
- 2815-2821
- ISSN
- 1525-7797 (ISSN-L)
- 1526-4602
- OpenAlex
- W1993429758
- Cited by
- 515
- References
- 0
- FWCI
- 3.61
- Type
- journal article
- Language
- en
- Open access
- closed
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