Silicon Oxide Nanopowder (SiO2, 95.9+wt%, 20-30 nm, coated with 3-4wt% KH570-Silane Coupling Agent)

Silicon oxide nanopowder (SiO2, 95.9+wt%, 20-30 nm), coated with 3-4 wt% KH570-Silane Coupling Agent, combines the intrinsic properties of silica with improved surface reactivity due to the silane treatment. This modification enhances the nanopowder’s compatibility with organic materials, making it ideal for a range of advanced applications, including composites, coatings, and electronics.

Composition and Structure

SiO2 (Silicon Oxide):
Silicon oxide, or silica, is a stable and abundant compound composed of silicon and oxygen. It is commonly used in a variety of applications, including in electronics, coatings, and material sciences, due to its excellent mechanical properties, thermal stability, and transparency.
Purity (95.9+wt%):
With a purity of 95.9+wt%, this nanopowder is relatively high-quality, ensuring minimal impurities that might affect its performance in high-end applications.
Particle Size (20-30 nm):
The nanopowder has a fine particle size of 20-30 nm, giving it a high surface area that contributes to its reactivity and enhanced mechanical and chemical properties. The smaller the particle size, the greater the surface area to volume ratio, which leads to improved performance in various applications.
KH570-Silane Coupling Agent (3-4wt%):
KH570 is a silane coupling agent known for improving the adhesion between inorganic materials like silica and organic polymers. The coating with 3-4 wt% KH570 enhances the surface functionality of the silica nanoparticles, facilitating better dispersion in organic matrices and promoting stronger bonds between the silica and polymer phases in composites.

Properties

1. Enhanced Surface Reactivity:
   The coating with KH570 introduces functional groups, such as alkoxysilane groups, on the surface of the SiO2 nanoparticles, improving their chemical reactivity. This makes them more compatible with a variety of organic materials, facilitating stronger interactions in composite materials and coatings.
2. Improved Dispersion:
   The silane treatment enhances the dispersion of the nanoparticles in polymer matrices, preventing agglomeration and ensuring a more uniform distribution within the material. This results in better performance and consistency in the final product.
3. Increased Adhesion to Organic Materials:
   KH570 modifies the surface of the SiO2 nanopowder, promoting better adhesion between the nanoparticles and organic polymers, resins, or adhesives. This improves the mechanical properties of the resulting composite materials, such as their strength and durability.
4. Thermal and Chemical Stability:
   SiO2 is well known for its chemical stability and resistance to corrosion. The addition of the silane coating does not diminish these qualities but instead enhances the powder’s interaction with other materials. The material retains its ability to withstand high temperatures and harsh chemical environments.
5. Optical Transparency:
   The SiO2 nanopowder remains optically transparent, maintaining its suitability for use in optical applications, including coatings and films that require clarity and high light transmission.

Applications

1. Materials Science and Nanocomposites:
Polymer Reinforcement:
The silane-treated SiO2 nanopowder is commonly used in nanocomposites, where it functions as a reinforcing agent. The improved adhesion between the silica particles and the polymer matrix enhances the mechanical properties, such as tensile strength and impact resistance, of the composite material.
Advanced Coatings and Films:
The improved dispersion and adhesion properties make this material ideal for use in coatings, particularly for applications requiring high wear resistance, heat resistance, or chemical stability. The coating can be applied to a variety of surfaces, including metals, plastics, and ceramics.

2. Electronics and Semiconductors:
Dielectric and Insulating Layers:
SiO2 is used in the fabrication of dielectric and insulating layers in semiconductor devices. The KH570 coating improves the nanopowder’s compatibility with organic polymers and other components used in flexible electronics, making it valuable in advanced electronic devices such as sensors and transistors.
Integrated Circuits and Microelectronics:
This nanopowder is also used in the production of thin films for microelectronics, where it contributes to the fabrication of insulating layers in integrated circuits, capacitors, and other microelectronic components.

3. Adhesives and Coatings:
Improved Adhesion in Adhesives:
The silane treatment improves the adhesion properties of the SiO2 nanopowder when used in adhesives and sealants. The surface modification enables stronger bonds with organic materials, making it ideal for high-performance adhesives in automotive, aerospace, and construction applications.
Coatings for Optics and Protective Films:
The nanopowder is also used in the development of optical coatings, where its transparency and surface treatment help create anti-reflective coatings and protective films that enhance the durability and performance of optical devices.

4. Pharmaceuticals and Biotechnology:
Drug Delivery Systems:
The KH570 coating enhances the interaction of SiO2 nanoparticles with organic materials, making them suitable for use in drug delivery systems. The modified nanoparticles can encapsulate drugs more efficiently, providing controlled release and targeted delivery, improving the effectiveness of therapeutic treatments.
Biomedical Applications:
The silane-treated SiO2 nanoparticles are used in biomedical applications, including biosensors and biocompatible coatings for implants. The surface functionalization improves the interaction of the nanoparticles with biological tissues, making them more effective for use in the human body.

Safety and Handling

Health Considerations:
As with all nanopowders, the handling of SiO2 should be done with care. Inhalation of dust particles can be harmful to the respiratory system. Proper protective equipment such as gloves, masks, and goggles should be worn to avoid contact with the material.
Environmental Impact:
SiO2 nanoparticles are generally considered safe, though their long-term environmental effects are still being studied. Proper disposal methods should be followed to minimize environmental contamination.

Summary

Silicon oxide nanopowder (SiO2, 95.9+wt%, 20-30 nm) coated with 3-4 wt% KH570-Silane Coupling Agent combines the beneficial properties of silica with enhanced surface reactivity, making it an ideal material for use in a wide range of advanced applications. The silane treatment improves dispersion in organic matrices, promotes better adhesion, and strengthens the overall performance of nanocomposites, coatings, and electronic devices. Its optical transparency, chemical stability, and thermal resistance make it an excellent choice for industries such as materials science, electronics, pharmaceuticals, and biotechnology.