Regensburg 2025 – wissenschaftliches Programm

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BP: Fachverband Biologische Physik

BP 12: Biomaterials, Biopolymers and Bioinspired Functional Materials III (joint session CPP/BP)

BP 12.1: Hauptvortrag

Dienstag, 18. März 2025, 09:30–10:00, H46

Hybrid materials from colloidally stable nanocellulose and nanoparticles - scattering techniques are needed for characterization — •Eva Malmström¹, Åsa Jerlhagen¹, Benedikt Sochor², Korneliya Gordeyeva¹, and Stephan Roth^{1, 2} — ¹KTH Royal Institute of Technology, Stockholm, Sweden — ²Deutsches Elektronen-Synchrotron DESY, Hamburg, Germany

Cellulose nanofibrils (CNFs) have rendered increasing interest during the last decades as their high stiffness, strength, and aspect ratio are attractive features to further explore on the pathway to a more sustainable society.

Controlled radical polymerization procedures allow for the synthesis of well-defined, nearly monodisperse, block-copolymers. The development of the polymerization-induced phase self-assembled (PISA) technique enables the production of well-defined nanoparticles (nanolatexes), with controlled size (typically with a diameter smaller than 200 nm), charge density, chemical functionality, and glass transition temperature.

The combination of CNFs and well defined nanolatexes allows for the design of novel materials with unique properties. Scattering techniques have proven very useful to characterize the corresponding materials, for instance, a method to assess cross-section orientation.

Keywords: Cellulose nanofibrils; Nanoparticles; Polymerization-induced self-assembly