Benchmarking supramolecular adhesive behavior of nanocelluloses, cellulose derivatives and proteins

Otso I.V. Luotonen, Luiz G. Greca, Gustav Nyström, Junling Guo, Joseph J. Richardson, Orlando J. Rojas*, Blaise L. Tardy

*Corresponding author for this work

Research output: Contribution to journalArticleScientificpeer-review

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One of the key steps towards a broader implementation of renewable materials is the development of biodegradable adhesives that can be attained at scale and utilized safely. Recently, cellulose nanocrystals (CNCs) were demonstrated to have remarkable adhesive properties. Herein, we study three classes of naturally synthesized biopolymers as adhesives, namely nanocelluloses (CNFs), cellulose derivatives, and proteins by themselves and when used as additives with CNCs. Among the samples evaluated, the adhesion strength was the highest for bovine serum albumin and hydroxypropyl cellulose (beyond 10 MPa). These were followed by carboxymethylcellulose and CNCs (ca. 5 MPa) and mechanically fibrillated CNFs (ca. 2 MPa), and finally by tempo-oxidized CNFs (0.2 MPa) and lysozyme (1.5 MPa). Remarkably, we find that the anisotropy of adhesion (in plane vs out of plane) falls within a narrow range across the bio-based adhesives studied. Collectively, this study benchmarks bio-based non-covalent adhesives aiming towards their improvement and implementation.

Original languageEnglish
Article number119681
Pages (from-to)1-9
Number of pages9
JournalCarbohydrate Polymers
Publication statusPublished - 15 Sep 2022
MoE publication typeA1 Journal article-refereed


  • Biopolymers
  • Carbohydrate
  • Cellulose
  • Cellulose derivatives
  • Nanocellulose
  • Nanocrystal
  • Natural polymers


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