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Related Experiment Video

Updated: Jun 26, 2026

Towards Biomimicking Wood: Fabricated Free-standing Films of Nanocellulose, Lignin, and a Synthetic Polycation

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Load distribution in native cellulose.

Barbara Hinterstoisser¹, Margaretha Akerholm, Lennart Salmén

¹BOKU - University of Natural Resources and Applied Life Science, Muthgasse 18, A-1190 Vienna, Austria.

Biomacromolecules

|September 10, 2003

Summary

Cellulose deformation involves molecular straining of glucose rings and C-O-C bridges. Intramolecular hydrogen bonds, particularly O(3)H.O(5), are key to cellulose

Area of Science:

Materials Science
Polymer Chemistry
Spectroscopy

Background:

Cellulose properties depend on inter- and intra-chain interactions.
Understanding molecular deformation is crucial for material behavior.

Purpose of the Study:

Investigate cellulose deformation behavior.
Relate deformation to molecular straining.
Analyze load distribution in different cellulose allomorphs.

Main Methods:

Dynamic Fourier Transform Infrared (FT-IR) spectroscopy.
Sinusoidal stretching of cellulose sheets with oriented fibers.
Polarized infrared radiation exposure.

Main Results:

Cellulose fibers exhibit primarily an elastic response.

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Glucose rings and C-O-C bridges are significantly deformed.

O(3)H.O(5) intramolecular hydrogen bonds deform more than O(2)H.O(6) bonds.

Load distribution differs between cellulose I-alpha and I-beta allomorphs.

Conclusions:

Molecular straining of specific bonds and hydrogen bonds governs cellulose deformation.
Allomorphic form influences load distribution in cellulose I.