Nanocellulose has excellent thermal stability, helping to use materials in high temperature fields

Nanocellulose is a new green functional material, derived from natural cellulose, and has many advantages such as environmental protection, degradability, and high strength. Among them, strong thermal stability is a core performance of nanocellulose, which determines its wide application prospects in high-temperature processing, composite materials, electronic packaging and other fields.

What is the thermal stability of nanocellulose ?

Thermal stability refers to the ability of a material to keep the structure unchanged and decomposed when it is heated. Compared with ordinary cellulose, nanocellulose has better performance in thermal stability. Research shows that:

The thermal decomposition temperature of cellulose nanocrystals ( CNC ) can reach 250°C~320°C；

Cellulose nanofibers ( CNF ) can also maintain structural stability above 200°C ;

The thermal stability of nanocellulose after TEMPO oxidation treatment was further enhanced.

This enables nanocellulose to adapt to a variety of high-temperature environments, such as injection molding, electronic packaging, hot pressing and other fields.

Structural sources of thermal stability of nanocellulose

The reason why nanocellulose has good thermal stability is mainly related to its internal structure:

High crystallinity : the internal structure of cellulose nanocrystals is regular, and the thermal decomposition temperature in the crystal area is high;

Strong hydrogen bonding effect between molecules : form a stable network structure and effectively delay thermal decomposition;

Nano effect : small microscopic size, slow heat conduction, and not easy to thermal disintegration.

These structural features work together to enable nanocellulose to maintain excellent performance in high temperature environments.

Application advantages brought by thermal stability

Thanks to its good thermal stability, nanocellulose has important application value in many fields:

High-temperature composite material reinforcement : can be blended with polymer materials such as PLA 、PA to improve the strength and thermal stability of composite materials;

Electronic component base material : suitable for heat-sensitive device packaging such as flexible circuits and sensors;

Thermal insulation and flame retardant materials : safer to use in high temperature environments such as aerospace and automotive interiors;

Environmentally friendly filter membrane materials : It is not easy to degrade and has stable performance when used in high-temperature industrial gases and wastewater treatment.

Market trends and development prospects

With the advancement of policies such as ' carbon neutrality' and ' degradable materials ' , nanocellulose has attracted more and more attention from companies. The improvement of its thermal stability performance has enabled it to upgrade from traditional paper reinforced materials to a core component for high-tech applications, and the market demand is growing.

In the future, as preparation technology continues to mature, nanocellulose with high thermal stability will play a greater role in new energy, electronic manufacturing, biomedicine and other fields.

Nanjing Tianlu Nano Technology Co., Ltd. focuses on the research and development and production of nanocellulose materials, and provides high-purity, high-thermal stability nanocellulose series products, which are widely used in coatings, plastics, medical materials, environmentally friendly adsorption and other industries. If you are interested in our products or cooperation methods, please leave a message online or call for consultation!