The difference between nanocellulose and cellulose

Although there is only one word difference between nanocellulose and cellulose, there is an extremely significant difference. Nanocellulose is a nano-scale material obtained through special treatment methods based on cellulose, with many unique properties and application prospects.

First, from the perspective of definition and preparation method, cellulose is a natural polymer compound that is mainly found in the plant cell wall. It is usually obtained through mechanical processing, chemical treatment or biological enzymatic decomposition. Nanocellulose is treated by mechanical methods, chemical methods, biological methods, etc. to reach the nano-level. The diameter of nanocellulose is usually between 1-100 nanometers and has an extremely high aspect ratio.

In terms of properties, cellulose has good mechanical strength and biodegradability, while nanocellulose exhibits special optical, electrical, magnetic and mechanical properties due to its nanoscale size. Nanocellulose has a great specific surface area and high surface energy, making it have stronger surface activity and interface interaction capabilities. These characteristics make nanocellulose have a wide range of application prospects in composite materials, nanotechnology, biomedicine and other fields.

In terms of application, cellulose is mainly used in traditional industries such as textiles and papermaking. Nanocellulose is more widely used. For example, in the field of composite materials, nanocellulose can significantly improve the mechanical strength and thermal stability of composite materials; in the field of biomedical science, nanocellulose can be used to prepare biodegradable stents, drug sustained release systems, etc.; in the field of environmental protection, nanocellulose can be used to prepare biodegradable stents, pharmaceutical sustained release systems, etc.; in the field of environmental protection, nano Cellulose can be used to prepare high-efficiency filter membranes and water treatment materials.

In addition, nanocellulose is also well environmentally friendly. As a natural renewable biomass material, nanocellulose inherits the degradability of cellulose and can reduce environmental pollution. In the context of today's pursuit of sustainable development, the application of nanocellulose is of great significance.

With the advancement of science and technology, the research and application of nanocellulose has been deepened. Modern technologies such as scanning electron microscopy ( SEM ) and transmission electron microscopy ( TEM ) allow scientists to observe the structure of nanocellulose in more detail, thereby optimizing their performance. Computer simulation technology is also used to predict the behavior of nanocellulose in different environments, further promoting its innovative applications.

In short, although nanocellulose and cellulose are the same source, due to the application of nanotechnology, nanocellulose has great advantages in both properties and applications. As research continues to deepen, the application field of nanocellulose will be further expanded and bring more welfare to mankind.