What are Carbon Nanotube-Polystyrene Microspheres Prepared by Electrostatic Adsorption?

Carbon Nanotube-Polystyrene Microspheres are advanced composite materials created by the electrostatic adsorption of carbon nanotubes (CNTs) onto polystyrene microsphere surfaces. These hybrid microspheres combine the superior mechanical, electrical, and thermal properties of carbon nanotubes with the versatility of polystyrene microspheres, providing unique functionalities in various applications.

Chemical Properties and CAS Numbers

• Composite Material: Carbon Nanotube-Polystyrene Microspheres

• Carbon Nanotubes (CNTs) CAS: 308068-56-6 (multi-walled), 7782-42-5 (single-walled)

• Polystyrene (PS) CAS: 9003-53-6

• Appearance: Black or dark grey microspherical powder

• Density: ~1.05 g/cm³ (varies with CNT content)

• Particle Size: Typically 0.5 – 100 µm (customizable)

• Thermal Stability: Excellent thermal resistance (up to 250–300°C)

• Electrical Conductivity: Enhanced conductivity due to CNT content

Applications of Carbon Nanotube-Polystyrene Microspheres

• Electronics & Conductive Composites:

  • Used in conductive inks, adhesives, and coatings.

  • Ideal for electrostatic discharge (ESD) protection.

• Biomedical & Diagnostic Applications:

  • Employed in biosensors, diagnostics, and targeted drug delivery.

  • Useful in magnetic resonance imaging (MRI) contrast agents when doped.

• Advanced Coating Materials:

  • Functional coatings offering improved mechanical strength, abrasion resistance, and conductivity.

  • Anti-static coatings for electronics and precision instruments.

• Catalyst Supports:

  • Support materials for catalysts in chemical and fuel cell industries due to large surface area and chemical stability.

• Environmental Applications:

  • Adsorbents for pollutant removal in wastewater treatment due to enhanced adsorption capability.

• Research & Development:

  • Used extensively in material science research for developing next-generation composite materials.

Pricing of Carbon Nanotube-Polystyrene Microspheres

Prices vary based on CNT content, particle size, purity, and order quantity:

• Laboratory/Research Grade: $100 – $500 per gram

• Bulk Industrial Orders: Customized pricing, generally $500 – $3000 per kilogram

Factors Influencing Pricing

• Carbon nanotube type and quality (single-walled vs. multi-walled)

• Microsphere particle size and uniformity

• CNT loading percentage

• Customization requirements (functionalization and surface treatments)

• Order volume and packaging/shipping costs