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Highly Stable, Functional Hairy Nanoparticles and Biopolymers from Wood Fibers: Towards Sustainable Nanotechnology

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Crystalline nanocellulose/lauric arginate complexes.

Kai Chi¹, Jeffrey M Catchmark¹

¹Department of Agricultural and Biological Engineering, The Pennsylvania State University, University Park, PA 16802, USA.

Carbohydrate Polymers

|September 18, 2017

Summary

This summary is machine-generated.

This study explores how lauric arginate (LAE) interacts with crystalline nanocellulose (CNC). Optimizing LAE concentration on CNC is key for better dispersion in non-polar materials.

Keywords:

Cationic surfactant Crystalline nanocellulose Dewatering Interface compatibilization Micelle Nanocomposite

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Published on: January 9, 2017

Area of Science:

Materials Science
Surface Chemistry
Nanotechnology

Background:

Crystalline nanocellulose (CNC) is a sustainable nanomaterial with diverse applications.
Interactions with oppositely charged surfactants are crucial for CNC-based systems.
Lauric arginate (LAE) is a novel, biologically-derived cationic surfactant.

Purpose of the Study:

To comprehensively examine the binding interactions between sulfated CNC and LAE.
To identify key factors influencing LAE adsorption onto the CNC surface.
To understand how LAE adsorption affects CNC properties.

Main Methods:

Investigated the influence of ionic strength and pH on LAE adsorption.
Analyzed the driving forces behind CNC-LAE binding.
Evaluated changes in CNC surface potential, aggregation, hydrophobicity, and thermal stability after LAE adsorption.

Main Results:

Ionic strength and pH significantly determine LAE adsorption to CNC.
Three distinct driving forces govern the CNC-LAE binding interactions.
LAE adsorption alters CNC's surface potential, aggregation, hydrophobicity, and thermal stability.

Conclusions:

Understanding CNC-surfactant interactions is vital for material design.
Optimizing LAE concentration for ionic decoration enhances CNC dispersion.
This research facilitates the compatibilization of CNC in non-polar polymer matrices.