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Views: 0 Author: Site Editor Publish Time: 2025-07-04 Origin: Site
Nanocellulose is a nano- scale fiber material obtained by physical, chemical or enzymatic treatment, with a diameter of 5 to 50 nanometers and a length of more than several microns. It not only retains the renewability and degradability of cellulose itself, but also shows high strength, low density and excellent optical properties because of its nanostructure. It is one of the green and sustainable materials that have attracted much attention in the field of new materials in recent years.
Nanocellulose can form a dense three-dimensional network structure through hydrogen bonding and physical cross-linking in an aqueous system, making it easy to form a continuous, uniform and dense film on the surface of the substrate.
Since the fiber diameter is much smaller than the visible light wavelength, it can effectively reduce light scattering. The prepared nanocellulose film still has excellent transparency while maintaining mechanical strength.
By adjusting the fiber morphology (such as cellulose nanocrystalline CNC , cellulose nanofiber CNF , bacterial cellulose BC ), films of different thicknesses and light transmittance can be obtained to meet the diverse needs from packaging to electronic devices.
The biodegradable transparent packaging
nanocellulose film can be used as a food packaging film and composite packaging layer, which not only provides barrier properties and mechanical strength, but also realizes visualization of packaging contents and meets the trend of green and environmental protection.
Flexible electronics and optical devices
utilize the high transparency, flexibility and processability of nanocellulose films. They can be used in display substrates, light guide layers, transparent conductive films, etc., to help the development of flexible electronic products.
Medical dressings and biofilm
nanocellulose membranes can fit the skin and are transparent, making it easy to observe the wound healing process, and have good biocompatibility and breathability.
Functional coatings
can be used as transparent protective coatings for surfaces such as wood, paper, and plastic to improve the surface wear resistance and water resistance without affecting the appearance of the substrate.
At present, the preparation of high-quality, industrial-scale nanocellulose transparent films still requires solving problems such as energy consumption, production efficiency and cost control. At the same time, more precise regulation and composite technologies are needed to address the requirements of different applications for parameters such as light transmittance, mechanical properties, and waterproof gas.
In the future, with the continuous breakthroughs in preparation technology and surface modification technology, nanocellulose will be expected to replace some petrochemical plastic films and become the main force of the new generation of sustainable functional film materials.
As a green bio-based material, nanocellulose has shown huge development potential in cutting-edge fields such as degradable packaging, flexible electronics, and medical biofilms, and is an important force in promoting the transformation of the materials field to sustainable and low-carbon.
Nanjing Tianlu Nano Technology Co., Ltd. focuses on the research and development and industrialization of nanocellulose and its functional products, and is committed to providing customers with high-quality and high-performance nanocellulose and related application solutions. Relying on the advanced production process and technical team, the company has always adhered to the concept of ' green manufacturing, scientific and technological innovation ' to help downstream enterprises achieve sustainable development in many fields such as packaging materials, functional films, flexible electronics, etc., and work together to create a green and beautiful future.
