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Help CenterNano Ato (antimony Tin Oxide) Antistatic Transparent Conductive Heat-insulating Infrared Absorbing Powder With Uniform Particle Size
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In the high-end manufacturing fields such as electronic devices, optical coatings, and energy-saving building materials, electrostatic accumulation and infrared radiation have always been the core pain points plaguing the industry. Traditional antistatic materials such as carbon black and metal powders can conduct electricity, but they often sacrifice transparency, resulting in limited product appearance. Ordinary heat-insulating materials, on the other hand, have difficulty in balancing visible light transmittance and infrared shielding efficiency. Yantai Jialong Nano Industry Co., Ltd. has been deeply involved in nanotechnology for more than two decades. Relying on the R & D strength of the industrialization base of the achievements of the National 863 Program, it has successfully launched nano ATO (antimony tin oxide) antistatic transparent conductive heat-insulating infrared absorbing powder. By precisely controlling the antimony doping ratio and particle size uniformity, this product achieves the coordinated optimization of the three major functions of transparent conductivity, infrared absorption, and antistatic, fundamentally solving the industry problem of traditional materials "failing to have both". It provides an efficient solution for high-end coatings, transparent conductive films, energy-saving glass and other fields.
As an n-type semiconductor oxide nano powder, nano ATO powder has high transmittance in the visible light region (380 - 780nm) and can strongly absorb the thermal radiation in the near-infrared band (780 - 2500nm), blocking the solar heat. Its uniform particle size distribution (D50 is usually between 10 - 30nm) ensures a smooth coating surface and uniform conductivity, avoiding optical haze or interruption of conductive channels caused by agglomeration. This product is independently developed and produced by Yantai Jialong Nano Industry Co., Ltd. The company has an enterprise postdoctoral research workstation and advanced production lines, and has passed the ISO9001 quality management system certification to ensure batch stability.
Working mechanism and product features:
- Conductive mechanism: Antimony ions (Sb5+) in ATO powder replace the lattice positions of tin ions (Sn4+), introducing free electrons and forming a semiconductor conductive network. When the powder is dispersed in the coating, the particles are in close contact to form a conductive path, and the surface resistance can be reduced to 10³ - 10⁶ Ω/sq, effectively releasing static electricity.
- Infrared absorption: Free electrons undergo plasma oscillations under the action of infrared light, strongly absorbing the near-infrared band and reflecting part of the mid - and far-infrared, achieving the heat-insulating function. After testing, when 5% - 10% of ATO powder is added, the coating can block more than 70% of infrared heat.
- Transparency: The nano-scale particle size (average particle size ≤30nm) is much smaller than the wavelength of visible light, so the scattering is extremely small, maintaining high coating transparency (visible light transmittance ≥80%).
- Particle size uniformity: Using a special wet grinding and classification process, the particle size distribution is narrow (CV value
Technical Specification Parameters:
| Project | Indicator | Remarks |
| Appearance | Light blue powder | Uniform color |
| Crystal form | Tetragonal system | Rutile structure |
| Primary particle size | 10-20 nm | Transmission electron microscope (TEM) |
| Secondary agglomeration particle size | D50 ≤ 30 nm | Laser particle size analyzer |
| Specific surface area | 30-60 m²/g | BET method |
| Antimony doping amount | 5-10 wt% | Adjustable |
| Volume resistivity | ≤ 10 Ω·cm | Powder compaction |
| Infrared absorption rate (8-14μm) | ≥ 85% | Film test |
| Moisture content | ≤ 0.5% | Drying at 105℃ |
Product Advantages:
- High transparency and conductivity: While the visible light transmittance is ≥80%, the surface resistance can be as low as 10³ Ω/sq, which is better than the cost - performance of ordinary ITO powder under the same conditions.
- Strong infrared shielding: By optimizing the antimony doping concentration, the average shielding rate for the near - infrared band (800 - 2500nm) exceeds 75%, significantly reducing the energy consumption of air conditioners.
- Easy dispersibility: The surface is treated with special hydrophilic/lipophilic modification and can be uniformly dispersed in water - based or solvent - based resins, suitable for processes such as UV curing, spraying, and dip coating.
- Excellent weather resistance: ATO powder has stable chemical properties, is resistant to acids, alkalis, and ultraviolet aging, and the service life of the coating can reach more than 10 years.
- Environmentally friendly and non - toxic: It does not contain heavy metals (such as cadmium and lead), complies with RoHS and REACH standards, and is suitable for food contact and medical device coatings.
Yantai Jialong Nano Industry Co., Ltd. was established in 1998. As a key high - tech enterprise of the National Torch Program, it has successively undertaken and completed more than ten national and provincial - ministerial science and technology projects, including the National 863 Program and the High - tech Industrialization Demonstration Project. The company has an enterprise post - doctoral research workstation. Its R & D team includes many doctors and masters, and it maintains long - term cooperation with universities and research institutions such as Tsinghua University and the Chinese Academy of Sciences. The company covers an area of 33333 square meters with a total investment of 87 million yuan. It is equipped with imported testing equipment such as the JEOL JEM - 2100 transmission electron microscope from Japan and the Malvern laser particle size analyzer from the UK to ensure stable product quality. In the large - scale production of nano - ATO products, we have achieved a CV value of particle size between batches
If you are looking for a nano - powder material that can simultaneously solve the problems of transparent conductivity, heat insulation, and antistatic, we recommend that you give priority to our nano - ATO antimony tin oxide powder. Our technical team can provide customized solutions for particle size, doping concentration, and surface modification according to your specific applications (such as architectural glass coatings, display screen antistatic, and anti - reflection films for photovoltaic modules). Welcome to consult for samples and technical support through official channels. We will provide you with detailed technical parameters and formula suggestions to help you upgrade your products.
FAQ:
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Question: How does nano - ATO powder achieve the dual functions of transparent conductivity and heat insulation?
Answer: ATO powder forms a degenerate semiconductor through antimony doping. The high concentration of free electrons enables the material to have high transmittance in the visible light region. At the same time, the free electrons generate plasma resonance absorption in the infrared region, thereby blocking heat radiation. The conductive function comes from the conductive network formed by the contact between particles, while the heat insulation function comes from the absorption and reflection of infrared light. The two functions work together. -
Q: What is the impact of product particle size uniformity on coating performance?
A: Particle size uniformity directly affects the optical transparency and electrical conductivity uniformity of the coating. If the particle size distribution is wide, large particles will scatter visible light, leading to an increase in haze. At the same time, the conductive channels may be interrupted by local large particles, causing uneven resistance. Our products control the secondary agglomeration particle size to D50 ≤ 30nm through a special process, and the CV value -
Q: What proportion should be added to the coating to achieve the ideal antistatic effect?
A: Generally, the addition amount is 3%-10% (by weight) of the coating solids, which specifically depends on the resin system, coating thickness, and target surface resistance. For example, when 5% of nano ATO powder is added to acrylic varnish, and the dry film thickness is 10μm, the surface resistance can be reduced to 10⁵ Ω/sq, meeting the antistatic requirements of the electronics industry. It is recommended to conduct a small-scale test for optimization first. -
Q: Is this powder suitable for water-based systems?
A: Yes. We provide products with hydrophilic surface treatment, which can be uniformly dispersed in water and alcohol-water mixed solvents and are compatible with water-based acrylic, polyurethane and other resins. It is recommended to use high-speed dispersion or a sand mill for pre-dispersion, and the stability of the dispersion can reach more than 6 months. -
Q: What are the advantages of ATO powder compared with ITO powder?
A: ITO (Indium Tin Oxide) powder has better electrical conductivity, but indium resources are scarce, expensive, and toxic. The cost of ATO powder is only 1/3 - 1/5 of that of ITO, and it is environmentally friendly and non-toxic. It has more prominent infrared absorption performance (especially in the near-infrared region) and is more suitable for large-scale applications of heat-insulating transparent coatings, such as architectural glass and automobile sunroofs. -
Q: Will the performance of the product decay during long-term outdoor use?
A: ATO powder has excellent chemical stability and ultraviolet resistance. In the accelerated aging test (QUV for 1000 hours), the change in coating conductivity is less than 5%, and the change in infrared absorption rate is less than 3%. It is recommended to add an appropriate amount of ultraviolet absorbers and antioxidants to the coating formula, which can further extend the service life to more than 10 years. -
Q: Can your company provide samples and technical support?
A: We provide free samples (50 - 100g) for evaluation and are equipped with professional application engineers to provide formula guidance. You only need to provide specific application parameters, and we can recommend the best model and dispersion process. At the same time, we can assist in coating performance tests, such as surface resistance and infrared transmittance. -
Q: What are the delivery cycle and packaging method for bulk purchases?
A: The inventory of regular specifications (such as 8% antimony doping) is sufficient, and the goods will be shipped within 3 - 5 working days after the order is confirmed. The packaging is an aluminum foil vacuum bag, with a polyethylene inner bag and an outer carton/iron drum. The specifications are 1kg, 5kg, and 20kg. Special customization requirements (such as different doping amounts and surface modification) need to be communicated in advance, and the delivery time is 7 - 15 days.
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