Introduction to Tempo oxidized nanocellulose

Tempo oxidized nanocellulose is a nano-scale cellulose material obtained by oxidizing natural cellulose through Tempo (2,2,6,6-tetramethylpiperidine oxide). This treatment method can convert the hydroxyl group (-OH) in the cellulose molecule into carboxy group (-COOH), thereby changing the chemical properties and structure of the cellulose. The following are the characteristics and applications of Tempo oxidized nanocellulose:

1. Nano-scale structure: After Tempo oxidation treatment, cellulose molecules become nano-scale cellulose particles or nanocellulose, with a larger specific surface area and a higher active surface, which is suitable for various applications.

2. Surface functional group modification: The carboxylic functional groups introduced by Tempo oxidation impart better dispersion and soluble nanocellulose, allowing them to have better performance when preparing nanocomposites, coatings or used as carrier materials.

3. Biodegradability: Nanocellulose is based on natural cellulose, and remains biodegradable after Tempo oxidation treatment. It is environmentally friendly and suitable for use in biomedical and environmental fields.

4. Controllability: Tempo oxidation reaction conditions can be adjusted. The morphology, size, and type and density of nanocellulose can be controlled by changing the reaction conditions to meet the needs of different applications.

5. Application fields: Tempo oxidized nanocellulose has wide application in biomedicine, nanocomposite materials, nanobiotechnology and other fields. For example, it is used as a carrier for drug delivery systems, biosensors, enhancers for nanocomposite materials, etc.

As a new nanomaterial, Tempo oxidized nanocellulose has unique chemical properties and structural characteristics, providing new research directions and application prospects for the fields of nanotechnology and biomedicine.