Today there is a push towards replacing petroleum-based material with materials from bio-based resources. Components from wood are highly attractive in this ongoing transformation. This drive leads to incorporation of cellulose in new types of materials and in new types of applications. While working on new materials and new applications, understanding of the interactions between the different components is of great interest. To be able to gain understanding the ability to measure and evaluate the interactions between the used components is important. We are using high resolution measurements such as atomic force microscopy (AFM) to measure this type of interaction on a micrometre and nanometre length scale for multiple different cellulose applications.<br/><br/>This presentation will be an overview on the topic “AFM beyond imaging” where force measurements have been performed to evaluate interactions between cellulose and other materials. The applications are ranging from compatibility issues in composites, measuring flexibility and elasticity of never dried pulp fibres and cellulose model beads, and evaluate chemical reactions induced when components are forced in close contact. With these AFM measurements we have gained information that increased our molecular understanding in the different systems.

Molecular understanding of cellulose interactions

2019 Spring National Meeting

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