Nanocellulose for Sustainable Future Materials

Abstract

In recent years, nanocellulose (NC) has emerged as a versatile and sustainable material with unique characteristics, derived from the common and abundant natural polymer, cellulose. This presentation examines the evolving landscape of NC, exploring its extraction processes, mechanical properties, and applications beyond conventional cellulose usage. The hierarchical structure of cellulose allows for the extraction of nanoparticles, offering properties like excellent mechanical strength, low density, biodegradability, and a substantial surface area. With a Young's modulus in the range of 100–130 GPa, NC presents promising properties for a wide range of applications, from eco-friendly materials in nanocomposites, reinforcing agents in packaging, and bioactive implants in medical devices. The presentation also distinguishes between cellulose "microfiber" and "nanofiber" and provides insights into potential applications, reinforcing NC's role as a transformative material in the sustainable materials and nanocomposites domain. This analysis encompasses recent advances in NC preparation, modification, and emerging applications, highlighting the breadth of possibilities for this green material, including its utilization in nanocomposites, wood adhesives, wastewater treatment, and novel biomedical applications, while also addressing the challenges and opportunities in the realm of emerging NC-based materials.