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Views: 0 Author: Site Editor Publish Time: 2025-07-04 Origin: Site
Nanocellulose, dispersion, suspension stability, bio-based materials, renewable resources, green new materials
Nanocellulose is a cellulose extracted from natural plant fibers, wood pulp or microorganisms. It is prepared by mechanical, high-pressure homogeneity, chemical or enzymatic processes. The fiber diameter can reach 5 to 50 nanometers and the length is usually between a few microns and tens of microns. This nanoscale structure makes it both lightweight, high-strength, renewable, and degradable, and is known as the new generation of green high-performance material.
The reason why nanocellulose stands out among many new materials is that its ' easy to disperse and strongly suspended ' characteristics play a crucial role.
Nanocellulose is usually filamentous or rod-shaped, with a large fiber length-to-diameter ratio, and can form a physical crosslinking network in the liquid phase, effectively supporting particles in the system and preventing settlement.
A large number of functional groups such as hydroxyl and carboxyl groups are distributed on the nanocellulose molecular chain. These groups can not only form a stable hydration layer with water molecules through hydrogen bonds, but also form electrostatic repulsion at a certain pH and ionic strength, improving the dispersion uniformity of the system.
In aqueous systems, nanocellulose is easy to self-assemble to form a highly uniform three-dimensional network gel. This structure can effectively limit the agglomeration and settlement between particles, significantly extending the shelf life and service performance of the system.
The excellent dispersion and suspension stability of nanocellulose have unique advantages in many industries and are becoming an ideal choice to replace traditional thickeners, stabilizers and suspension agents.
✅ 1. Food and Beverages
In water-based foods such as dairy products, fruit and vegetable juices, functional beverages, nanocellulose can be used as a natural thickening suspension agent to prevent fruit particles from settled, improve taste and texture, while not affecting transparency, and meet the needs of health and clean labels.
✅ 2. Cosmetics and personal care
nanocellulose can stabilize the lotion, improve the viscoelasticity of skin care products, make the active ingredients more evenly distributed in the formula, extend the shelf life, and provide a refreshing feeling.
✅ 3. Pesticides and agricultural suspension agents
In pesticide preparations, nanocellulose can efficiently disperse solid active ingredients, prevent agglomeration and deposition, improve spraying effect and utilization rate, and reduce waste of agents.
✅ 4. As a green rheology regulator, oilfield drilling
fluid can improve sand carrying capacity in drilling fluid, prevent rock chip sedimentation, improve fluid flow, and reduce operational energy consumption.
✅ 5. Water-based coatings and adhesives
In the coating or adhesive system, nanocellulose can evenly disperse the pigment filler particles, improving the storage stability and construction performance of the product.
If you want to fully utilize the dispersion and suspension stability of nanocellulose, the following details are worth paying attention to:
✔ Rationally select physical means
such as high-pressure homogeneity, ultrasonic dispersion, mechanical shearing, etc., which will help break the fiber bundles and avoid agglomeration.
✔ Optimizing the system pH and electrolyte concentration
to adjust the solution environment can effectively control the electrostatic effect between fibers and balance network strength.
✔ Surface modification helps to expand functional development.
Through chemical modifications such as TEMPO oxidation, esterification, graft polymerization, etc., it can further enhance the dispersion and compatibility of cellulose in different systems and broaden the application scenarios.
Compared with traditional synthetic polymer suspension agents, nanocellulose is not only widely sourced, renewable and degradable, but also has higher safety and environmental protection, which is in line with the trend of ' dual carbon ' strategy and green manufacturing. In the future, with the continuous optimization of technology and process and the further decline in production costs, nanocellulose will surely become an important choice for more industries to pursue high performance and green and sustainable development.
As a bio-based material with excellent dispersion and suspension stability, nanocellulose is providing innovative and sustainable solutions for food and beverage, cosmetics, agriculture, energy, coatings and other fields.
Nanjing Tianlu Nano Technology Co., Ltd. has long been committed to the research and development, production and technology application promotion of nanocellulose and its derivative products. Relying on a professional R&D team and advanced production equipment, it has always adhered to the concept of green and environmental protection and quality first, providing customers with diversified and personalized nanocellulose solutions, helping customers achieve value improvement between high performance and green and low carbon, and work together to create a bright future for sustainable development!
