Gas-Phase Nanoscale Titanium Dioxide - A Disruptive Material in the Coating Industry
Time of issue:
2025-08-27
Nano titanium dioxide is an ultrafine material with a size of 0.1nm~100nm. It has special properties such as small size effect, surface effect, and macroscopic quantum tunnel effect. It has become a hot material of concern in many fields, and the coating industry is also among them.
Traditional titanium dioxide is mostly produced by liquid phase method, while gas-phase nano titanium dioxide uses the flame combustion process of titanium tetrachloride to achieve nanoscale particle size control, high purity assurance (TIO₂ content ≥99.9%), and good dispersion. The titanium dioxide produced by the gas phase method has a three-dimensional chain structure and its surface is rich in hydroxyl groups, which gives it super dispersion and photocatalytic activity. The white powder with a particle size of only 20-30 nm, with its unique preparation process and excellent performance, as well as its core advantages in coatings, is setting off a revolution in the field of high-end coatings.
Core Advantages in Coatings
✧ The perfect balance of high transparency and coverage
The nano particle size (20-30nm) makes it transparent in the coating, while at the same time it scatters and absorbs ultraviolet light to achieve efficient masking. Adding 2% of it to the transparent wood paint can increase the UV protection level to SPF50+ while keeping the wood texture clear.
✧ Improved mechanical properties: from fragile to tough
When the addition amount is 3%, the impact strength of the coating is increased by 40%, and the tensile strength reaches 45.68MPa, which makes it perform well in automobile chassis armor, industrial floors and other fields, and the scratch resistance is also improved by 37%.
✧ Self-cleaning and antibacterial: Technology that liberates the labor force
The super-hydrophilic surface of the coating (contact angle <106°) enables rainwater to automatically wash away dirt. The hydroxyl radicals produced by photocatalysis can decompose oil and organic matter. Applied to the wall of the hospital operating room, bacterial growth can be reduced by more than 93%.
✧ Super weather resistance: the secret of being like new for many years
By absorbing ultraviolet light and converting it into heat energy, gas-phase nano titanium dioxide can inhibit the fracture of the molecular chain of the coating, and extend the anti-aging time of the exterior wall coating from 500 hours to 2-3 years. In the test in a hot and humid environment, the coating with this material was still free of chalking and cracking after five years.
✧ Long life and economy: extremely cost-effective
Although the initial cost is higher, gas-phase nano titanium dioxide can extend the life of the coating by 2-3 times, and the comprehensive cost can be reduced by more than 30%.Taking architectural coatings as an example, the use of traditional coatings needs to be recoated every 5 years, while coatings using this material can be maintenance-free for 10 years.
Keyword:
Gas-Phase Nanoscale Titanium Dioxide,Coatings
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