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Views: 0 Author: Site Editor Publish Time: 2026-02-09 Origin: Site
With the continuous advancement of the ' double carbon ' goal and the concept of green manufacturing, high-performance materials with renewable sources and designable properties are becoming an important development direction for materials science and industrial applications. As a high-end form of cellulose materials, nanocellulose ( Nanocellulose ), with its unique nanostructure and excellent physical and chemical properties, is showing broad application potential in functional materials, daily chemicals, coatings, composite materials, biomedicine and other fields.
Nanocellulose is a nanoscale fiber material obtained by dissociating natural cellulose through mechanical, chemical or biological methods. It usually includes cellulose nanofibers ( CNF ), cellulose nanocrystals ( CNC ) and bacterial cellulose ( BC ). Its diameter is generally 5–50 nm , its length can reach hundreds of nanometers to several micrometers, and it has a typical high aspect ratio and three-dimensional network structure.
After the scale reaches the nanoscale, cellulose materials are no longer just ' fillers ' in the traditional sense , but have evolved into a multifunctional material platform with structural enhancement, rheology control and interface functions .
From a materials science perspective, the performance advantages of nanocellulose mainly come from its microstructural characteristics:
The ultra-high specific surface area and three-dimensional network structure
nanofibers interact through a large number of hydrogen bonds to form a stable spatial network in the water phase or system, providing significant structural support for the system.
Excellent mechanical enhancement properties
Nanocellulose itself has a theoretical specific strength close to that of steel, and can significantly improve the tensile strength, impact resistance and fatigue resistance of the material in the composite system.
Good rheological control ability
can achieve significant thickening, anti-settling and anti-sag effects at low addition amounts, and exhibits obvious shear thinning behavior, which is beneficial to construction and processing.
The surface functionalizable properties
can achieve precise control of surface charge and hydrophobicity through TEMPO oxidation, carboxylation, cationization, sulfonation, etc., thereby matching the needs of different application systems.
In systems such as coatings, pesticide preparations, and daily chemical products, nanocellulose can be used as an efficient suspension stabilizer to prevent solid particles from settling and stratifying, and improve the long-term stability and appearance consistency of the system.
In water-based coatings, rubber, plastics and bio-based composite materials, nanocellulose can significantly improve the mechanical properties and durability of materials by building a ' nano-skeleton ' while maintaining the lightweight and environmentally friendly properties of the system.
Nanocellulose can give formulas better thixotropy, skin feel and structural stability, improve user experience in cleansing, skin care and gel products, and meet the ' clean formula ' and ' natural source ' trends.
In the fields of flexible electronics, biomedical dressings, functional films and degradable packaging, nanocellulose is gradually moving from the laboratory to industrialization, becoming an important candidate to replace some petrochemical materials.
Compared with traditional polymer additives, nanocellulose is derived from natural cellulose resources and has significant advantages such as renewable, degradable, low-carbon and environmentally friendly. At the same time, its ' low addition, high performance ' characteristics help companies optimize the formula structure and reduce overall costs while meeting performance requirements.
In the current context of material upgrading and green transformation, nanocellulose is not only a new material, but also a functional material platform with long-term strategic value。
Nanocellulose is gradually developing from a ' new material concept ' to a ' mature industrial functional material ' . With the continuous optimization of the preparation process and the deepening of application research, its value in more subdivided fields will be further released. For companies that focus on sustainable development and high-performance material solutions, nanocellulose is undoubtedly an important direction worthy of long-term investment and layout.
