Views: 0 Author: Site Editor Publish Time: 2024-12-06 Origin: Site
Nanocellulose: The Green Revolution of Future Materials
1. What is nanocellulose?
Nanocellulose (NC) is a material obtained by nano-treating treatment of natural plant cellulose. It has excellent mechanical properties, transparency, light weight and biodegradability, and is widely used in various fields, such as materials, environmental protection, biomedical and packaging.
Types of nanocellulose
Nanocellulose can be divided into three types:
1. Cellulose NanoCrystals (CNC) : This is a highly crystalline nanostructure, usually extracted by acid hydrolysis. Its main characteristics are high strength, high rigidity, but poor transparency.
2. Cellulose nanofibers (CNF) : CNF is a nanomaterial prepared by mechanical or chemical decomposition of natural cellulose. It has a large size, fibrous shape, and has a low crystallinity.
3. Cellulose nanofilm : This film is laminated from cellulose nanofibers and has high transparency and excellent mechanical properties.
Characteristics of nanocellulose
• High strength and high rigidity : Nanocellulose has very high tensile strength and specific rigidity, especially suitable for areas where high strength and high rigidity materials are required.
• Environmentally friendly and degradable : As a natural material, nanocellulose has good biodegradability and is an environmentally friendly material that is widely used in packaging and other fields.
• Excellent transparency : In particular, cellulose nanofilms are superior to many traditional materials in transparency.
• Lightweight : Nanocellulose has low density and light weight, suitable for use in aerospace and high-performance packaging fields.
2. Properties and applications of nanocellulose
1. Comparison of types and characteristics of nanocellulose
characteristic | Cellulose nanocrystals (CNC) | Cellulose nanofibers (CNF) | Cellulose nanofilm | |
Size range | 10-50 nm wide, 100-1000 nm long | 5-50 nm diameter, several microns to tens of microns long | A few microns to tens of microns | |
Crystallization degree | More than 70% | Low to medium | 高 | |
Mechanical strength | 高 | 中 | 中 | |
Transparency | 低 | 低 | 高 | |
Production method | Acid hydrolysis | Mechanical or chemical separation | Formed from nanofibers |
Figure description : This table compares the size, crystallinity, mechanical strength, transparency and production methods of different types of nanocellulose, which helps readers understand the advantages and applicable scenarios of different types of nanocellulose.
2. Mechanical properties of nanocellulose
The mechanical properties of nanocellulose far exceed that of many traditional materials. Here are the comparative data of the tensile strength and specific rigidity of different materials:
Material | Tensile strength (MPa) | Radial (GPa) | |
Nanocellulose | 200-300 | 30-50 | |
Traditional plastics | 20-60 | 2-4 | |
Fiberglass | 400-700 | 50-70 | |
Steel | 500-800 | 200-250 |
Figure description : By comparing the tensile strength and specific rigidity of different materials (such as nanocellulose, traditional plastics, glass fibers, and steel), the advantages of nanocellulose in mechanical properties can be seen.
3. Biodegradability of nanocellulose
Nanocellulose is a green and environmentally friendly material with a biodegradation rate much higher than that of traditional plastics. The following is a comparison of biodegradability of different materials:
Material | Degradation time | Degradation rate | |
Nanocellulose | 1-2 months | 70%-90% | |
Polyethylene | 500 years | 0% | |
Traditional plastics | 50-100 years | 5%-10% |
Figure description : This table shows the differences in biodegradability between nanocellulose and traditional materials, emphasizing its superior environmentally friendly properties.
4. Application fields of nanocellulose
Nanocellulose is widely used in many fields, especially in the field of materials and packaging materials. The following are the application areas of nanocellulose:
Application areas | Proportion(%) | |
Materials Field | 30 | |
Packaging materials | 25 | |
Biomedical | 20 | |
Environmental friendly | 15 | |
Others (electronics, energy, etc.) | 10 |
Figure description : The pie chart shows the proportion of nanocellulose in various fields, highlighting its wide application in environmental protection and materials fields.
5. Comparison of performance of nanocellulose and traditional materials in the packaging field
performance | Nanocellulose packaging materials | Traditional plastic packaging materials | |
tensile strength | 200-500 MPa | 20-60 MPa | |
Water vapor transmission rate | Lower, better than traditional plastics | Higher | |
Light transmittance | High (>80%) | Low (<60%) | |
Biodegradability | 是 | 否 |
Figure description : This table compares the differences in performance between nanocellulose and traditional plastic packaging materials in tensile strength, water vapor transmittance, transparency and biodegradability, highlighting the advantages of nanocellulose in environmental protection and performance.
6. Production cost trends of nanocellulose
With the maturity of nanocellulose technology and the expansion of production scale, production costs have decreased year by year. Here are the production cost trends for nanocellulose:
years | Production cost (per kilogram) | |
2015 | $50/kg | |
2020 | $30/kg | |
2025 (Forecast) | $15/kg |
Chart description : The line chart shows that with the development of technology and large-scale production, the production cost of nanocellulose has been declining year by year, which helps promote its application in various industries.
3. The prospects of nanocellulose
With the improvement of environmental awareness and the advancement of technology, nanocellulose, as a green and high-performance material, will become a key material in many industries in the future. From packaging materials to water treatment technology to biomedical fields, nanocellulose has great potential for application. In the next few years, with the further development of production technology and the reduction of costs, nanocellulose will enter the market more and more widely and may replace many traditional materials and promote the green revolution of materials science.
Nanjing Tianlu Nano Technology Co., Ltd. is a high-tech company specializing in the green preparation, research and development and application of nanocellulose. Dedicated to the production, research and development and sales of nanocellulose series products, as well as commercial solutions for the promotion of nanocellulose. And create brand products, pursue better services, and help customers maintain competitive advantages in the fierce market environment.
Nanjing Tianlu Nano Technology Co., Ltd. is a high-tech company specializing in the green preparation, research and development and application of nanocellulose. Dedicated to the production, research and development and sales of nanocellulose series products, as well as commercial solutions for the promotion of nanocellulose. And create brand products, pursue better services, and help customers maintain competitive advantages in the fierce market environment.
Summarize
As a green material with wide application prospects, It not only has excellent mechanical properties, transparency and biodegradability, but also shows huge market potential in the fields of environmental protection, packaging, materials, etc. With the continuous advancement of technology, nanocellulose is expected to usher in wider applications in the future and become an important material for global sustainable development.nanocellulose is changing the technological landscape of multiple industries.