1. Fumed Titanium Dioxide’s Framework
1.1 Fumed Titanium Dioxide: What Is It?
Fumed titanium dioxide, additionally called pyrogenic titanium dioxide, is a high-purity, nanoscale product manufactured through chemical vapor deposition (CVD) or flame hydrolysis processes. Unlike conventional titanium dioxide (TiO2) generated using damp chemical methods, fumed titanium dioxide is engineered to achieve exceptional surface area homes, making it a revolutionary additive in industries such as layers, plastics, and cosmetics. Its production involves the combustion of titanium tetrachloride (TiCl ₄) in a high-temperature fire, causing ultrafine fragments with an extremely porous, aggregated framework. This distinct method guarantees unequaled control over fragment morphology, pureness, and surface chemistry, positioning fumed titanium dioxide as a cornerstone of sophisticated product scientific research.
fumed titanium dioxide
1.2 Fumed Titanium Dioxide’s Framework: A Tiny Marvel
The structural features of fumed titanium dioxide are defined by 3 essential attributes: nanoscale main fragments, high surface area, and permeable agglomerates. Main fragments, typically ranging from 10 to 30 nm in size, kind loosely bound aggregates because of their high surface area energy. These accumulations appear like branched, fractal-like clusters with interparticle gaps, developing a spongelike architecture. The surface of fumed titanium dioxide can go beyond 100 m2/ g, much beyond that of precipitated titanium dioxide (usually <50 m²/g). This intricate structure enhances its ability to interact with surrounding materials, offering superior reinforcement, UV protection, and rheological control. Additionally, the surface of fumed titanium dioxide is often modified with silica or alumina coatings to improve compatibility with organic matrices and prevent agglomeration.
1.3 Precipitated Titanium Dioxide’s Structure: A Contrast in Design
Precipitated titanium dioxide, in contrast, is synthesized via wet chemical processes such as sulfate or chloride routes, where titanium salts are precipitated and calcined to form crystalline particles. The resulting particles are generally larger (100–500 nm) and exhibit a more compact, dense morphology. At the same time, precipitated titanium dioxide can achieve high purity (often >< 50 m ²/ g ). This detailed framework enhances its ability to connect with surrounding products, providing premium support, UV defense, and rheological control. Furthermore, the surface area of fumed titanium dioxide is commonly modified with silica or alumina finishings to enhance compatibility with organic matrices and protect against jumble.
1.4 Sped up Titanium Dioxide’s Structure
A Comparison in Layout Precipitated titanium dioxide, in contrast, is manufactured by means of wet chemical processes such as sulfate or chloride routes, where titanium salts are precipitated and calcined to form crystalline bits. The resulting particles are usually larger( 100– 500 nm) and display a much more compact, dense morphology. While precipitated titanium dioxide can achieve high pureness (usually > 98 %), its framework does not have the porosity and surface area complexity of its fumed counterpart.The bits are generally round or irregular fit, with minimal interparticle gaps and lower area( 10– 30 m2/ g). This architectural simplicity makes precipitated titanium dioxide suitable for applications calling for bulk opacity, such as in paints and pigments, yet less efficient in circumstances demanding innovative functional residential properties.
| Parameter Name | Value |
| Chemical Formula | TiO₂ |
| Molecular Weight | 79.87 g/mol |
| CAS Number | 13463-67-7 |
| EINECS Number | 236-675-5 |
| Appearance | White powder |
| Density | 4.23 g/cm³ (anatase), 4.26 g/cm³ (rutile) at 20°C |
| Melting Point | 1,843°C (3,349°F) |
| Boiling Point | ~2,972°C (5,382°F) |
| Solubility | Insoluble in water, soluble in acids and alkalis |
| Crystal Structures | Rutile, anatase, brookite |
| Particle Size Distribution | Varies by grade, typically <1 μm for fine grades |
| Specific Surface Area | 10-500 m²/g (varies by grade) |
| Purity |
>99% |
| Hazardous Properties | Generally considered safe, but avoid inhalation of dust and prolonged eye or skin contact |
| Storage Conditions | Store in a cool, dry place, away from incompatible substances |
| Application Fields | Paints, coatings, plastics, paper, cosmetics, pharmaceuticals, food additives, photocatalysts |
| Safety Measures | Use with adequate ventilation, wear appropriate personal protective equipment during handling |
Technical paramater of Titanium Dioxide Powder
2. Fumed Titanium Dioxide’s Core Properties
2.1 Physical and Chemical Features of Fumed Titanium Dioxide
Fumed titanium dioxide flaunts a suite of physical and chemical properties that establish it apart. Its ultrafine particle dimension ensures superb dispersion in both aqueous and nonaqueous systems, while its high surface area supplies unrivaled sensitivity. The material is chemically inert under normal conditions, withstanding deterioration by acids, bases, and UV radiation. Its amorphous or anatase crystalline structure( relying on calcination temperature level) imparts a special combination of firmness and versatility. Especially, fumed titanium dioxide displays superhydrophobicity when unmodified, but this can be customized via surface treatments to attain hydrophilicity or oleophobicity, widening its application scope.
2.2 Physical and Chemical Characteristics of Precipitated Titanium Dioxide
Sped up titanium dioxide, while durable, lacks the multifunctionality of fumed titanium dioxide. Its larger particle dimension and crystalline framework (mainly rutile or anatase) make it ideal for standard pigment and filler roles. Nevertheless, its minimal surface and reduced surface energy limit its capability to interact with intricate matrices. Precipitated titanium dioxide is very steady in neutral settings but might degrade under severe pH conditions or extended UV direct exposure. Its high refractive index (2.5– 2.7) ensures excellent lightscattering buildings, making it a staple in opaque finishings and sunscreens.
2.3 Functional Properties of Fumed Titanium Dioxide
Past the Fundamentals the functional adaptability of fumed titanium dioxide stems from its surface area engineering capabilities. Silica or alumina finishings can enhance their hydrophilicity, allowing self-cleaning surface areas in architectural finishings or clinical devices. Its UV-shielding homes are superior to those of precipitated titanium dioxide, making it crucial in high-performance sun blocks and UV-stabilized plastics. In addition, fumed titanium dioxide works as a nanoscale support agent, boosting mechanical toughness and thermal stability in polymers. In cosmetics, its clarity enables light-weight, nongreasy solutions, while in pharmaceuticals, it acts as a controlled-release carrier for energetic components.
2.4 Practical Residences of Precipitated Titanium Dioxide
A Specific Niche Gamer Precipitated titanium dioxide masters mass applications where opacity and toughness are critical. Its high refractive index and light-scattering ability make it excellent for interior paints, publishing inks, and food-grade colorants. Nonetheless, its minimal surface sensitivity and poor dispersion in natural solvents hinder its usage in advanced functional materials. While it can be surface modified, the results are less regular compared to fumed titanium dioxide. Speeded-up titanium dioxide is also valued for its cost-effectiveness in large-volume applications, though this comes with the expense of efficiency in high-tech markets.
3. Fumed Titanium Dioxide: Benefits and Limitations
Fumed titanium dioxide is a game-changer in product science, yet it is not without its obstacles. Its key advantages include: Unequaled Surface: Makes it possible for superior attachment, reinforcement, and functionalization.
Tailorable Surface Area Chemistry: Silica, alumina, or polymer coverings allow modification for varied applications.
Outstanding UV Resistance: Secures materials from photodegradation in exterior atmospheres.
High Purity: Devoid of pollutants, guaranteeing compliance with strict regulative criteria.
However, fumed titanium dioxide also has limitations:
Greater Price: The energy-intensive manufacturing procedure increases its price point compared to precipitated titanium dioxide.
Complicated Handling: Calls for specialized tools to manage its great particle size and avoid a heap.
Particular Niche Applications: Finest fit for high-value, low-volume markets as opposed to asset uses.
4. Applications of Fumed Titanium Dioxide
A Versatile Powerhouse. Fumed titanium dioxide’s distinct residential properties have actually opened an advanced range of applications throughout sectors:
4.1 Coatings and Paints
In architectural and industrial coatings, fumed titanium dioxide works as a matting agent, reducing gloss while boosting scratch resistance. Its UV-shielding capacities extend the life span of finishes exposed to severe environments, such as auto finishes and marine paints.
Fumed Titanium Dioxide for Industrial Coatings
4.2 Plastics and Polymers
As a nanoscale filler, fumed titanium dioxide enhances the mechanical strength, thermal stability, and UV resistance of plastics. It is extensively used in exterior plastic items, such as garden furnishings and vehicle components, to prevent yellowing and destruction.
4.3 Cosmetics and Personal Care
Fumed titanium dioxide is a foundation of modern skin care, using broad-spectrum UV security without the white residue associated with typical titanium dioxide. Its noncomedogenic and hypoallergenic profile makes it secure for sensitive skin, while its transparent surface is perfect for mineral-based structures and sunblocks.
4.4 Pharmaceuticals and Biomedical Devices
In medicine delivery systems, fumed titanium dioxide functions as a controlled-release matrix for APIs, guaranteeing regular restorative impacts. In biomedical tools, its biocompatibility and antimicrobial properties make it suitable for implants and wound dressings.
4.5 Advanced Technologies
Fumed titanium dioxide is pivotal in nanotechnology and wise materials. Its high surface and catalytic task enable its usage in photocatalytic air purifiers, self-cleaning surfaces, and power storage devices like lithium-ion batteries.
Gas phase titanium dioxide for lithium-ion batteries
Final thought: Why Pick Fumed Titanium Dioxide?
Fumed titanium dioxide is not merely a material– it is a paradigm change in just how markets approach performance, sustainability, and development. While precipitated titanium dioxide stays a workhorse in conventional applications, fumed titanium dioxide’s premium architectural design, useful versatility, and tailorable residential properties make it the preferred option for cutting-edge modern technologies. Whether you’re establishing next-generation cosmetics, UV-resistant finishings, or biocompatible clinical tools, fumed titanium dioxide supplies the uncompromising top quality and futureproof efficiency your market needs. Welcome to the power of nanotechnology and unlock new horizons with this extraordinary product.
About MetalMummy
Metalmummy is a trusted global fumed titanium dioxide supplier & manufacturer with over 12 years experience in providing super high-quality metals and metal alloy. The company export to many countries, such as USA, Canada,Europe,UAE,South Africa, etc. As a leading nanotechnology development manufacturer, Metalinchina dominates the market. Our professional work team provides perfect solutions to help improve the efficiency of various industries, create value, and easily cope with various challenges. If you are looking for fumed titanium dioxide, please send an email to: nanotrun@yahoo.com
Tags: titanium dioxide,precipitated titanium dioxide