Self-assembly in biobased nanocomposites for multifunctionality and improved performance.

Area of Science:

• Materials Science
• Polymer Chemistry
• Nanotechnology

Background:

• Growing concerns regarding petroleum dependence and environmental pollution necessitate sustainable polymeric product development.
• Biobased polymers present a viable alternative, with biobased nanocomposites offering enhanced performance and functionality.

Purpose of the Study:

• To review recent advancements in biobased nanocomposites, focusing on inorganic nanoparticle self-assembly.
• To explore how nanoparticle self-assembly, contrary to conventional dispersion, can address performance challenges and unlock new functionalities in biobased polymers.

Main Methods:

• Summarizing unique challenges and recent progress in biobased nanocomposites.
• Introducing basic nanoparticle self-assembly principles via blending and in situ synthesis.
• Discussing fundamental forces and biobased polymer conformations to link nanoscale interactions with macroscale properties.

Main Results:

• Nanoparticle self-assembly into clusters, networks, and layered structures offers superior performance compared to full dispersion.
• Identified key technologies benefiting from nanoparticle assembly within the polymer matrix.
• Surveyed various nanoparticle types, their assembly structures, and corresponding applications.

Conclusions:

• Self-assembly of nanoparticles is a promising strategy to elevate the functionality and performance of biobased materials.
• This approach lays the groundwork for a new era of sustainable polymer design across numerous industries.
• Potential applications span packaging, construction chemicals, adhesives, foams, coatings, personal care, and advanced manufacturing.