Nanocellulose is a nanoscale material made of cellulose with various excellent properties and wide application prospects.According to different morphologies and preparation methods, nanocellulose can be divided into the following categories: 1. Cellulose nanofibers (CNF), also known as cellulose microfibrils (MFC): Cellulose nanofibers are mainly produced by mechanical methods such as high pressure Homogenization, grinding or microfluidization break down cellulose fibers into nanoscale fiber networks.The diameter is usually between 10-100 nanometers, and the length can reach several micrometers to tens of micrometers.It has high flexibility and good network structure and is widely used in films, coatings and reinforced materials.2. Cellulose nanocrystals (CNC): Cellulose nanocrystals are nanoscale cellulose fragments with high crystallinity obtained by removing the amorphous region of cellulose through acid hydrolysis.The size is usually tens of nanometers to hundreds of nanometers, with a diameter between 5-70 nanometers and a length of 100 nanometers.
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