Multi Walled Carbon Nanotubes Dispersion

Description and Specification of Multi Walled Carbon Nanotube Dispersion

Dispersion of multi walled carbon nanotube (MWCNT) means spreading it evenly in a liquid so it don't clump together. This step is crucial because only a well-dispersed mixture enables the unique properties of MWCNTs to be utilized effectively in practical applications. MWCNT is a cylindrical nanostructure composed of multiple concentric graphene layers, each just one atom thick, forming a tube-within-a-tube structure. In dispersion, the nanotube is separated and stabilized in a solvent, overcoming its natural tendency to agglomerate due to van der Waals forces.

To maximize the electrical, thermal, and mechanical properties of MWCNT, it needs to be separated and well-dispersed in the liquid in which it is mixed. This means the process must be carefully managed, often using surfactants or chemical treatments to prevent the nanotubes from sticking together and to maintain the mixture's stability over time. MWCNT used for dispersions is generally about 10 micrometers in length and have diameters between 5 and 20 nanometers. The resulting product is a homogeneous black liquid or colloidal system, free from visible aggregates, with good thermal and electrical conductivity. It is chemically stable, making it ready for direct incorporation into advanced formulations.

Features of Multi Walled Carbon Nanotubes (MWCNT) Dispersion

MWCNT dispersions is valued in both research and industry for its unique properties:

Lightweight Structure: These dispersions combine low weight with high strength, making it suitable for use in advanced materials where reducing mass is important.

Durability: The carbon atoms present in the nanotubes are arranged in a strong sp² structure, giving the material high resistance to chemical damage and mechanical stress, even in demanding environments.

Electrical Conductivity: When evenly dispersed, the nanotubes create effective electrical pathways, which is why it is often used in conductive coatings, films, and inks.

Tensile Strength: Adding MWCNT dispersions to materials such as polymers or ceramics helps increase its strength and stiffness, thereby improving overall resilience.

Thermal Stability: These nanotubes can withstand heat up to around 600°C without breaking down, making it suitable for high-temperature applications.

Application of Multi Walled Carbon Nanotubes Dispersion

Dispersed MWCNTs is utilized in areas that require high performance. In water filtration, it helps to remove harmful particles. In energy systems such as batteries and solar cells, dispersions aid in coating electrodes, enhancing capacity, and improving cycle life. In medicine, well-dispersed nanotubes facilitate drug delivery and cancer treatment by enabling more effective targeting of target areas. Polymer manufacturers add dispersions to plastics to enhance its strength and conductivity. In the sports and automotive sectors, it is used to strengthen lightweight frames. Biomedical use includes supporting bone and joint implants. Electronics rely on these dispersions in miniaturized components, such as transistors and sensors. As dispersion techniques improve, their applications continue to grow.

Safety guidelines

• Follow these safety precautions when handling MWCNT dispersion materials:
• Wear gloves, eye protection, rubber footwear, and face coverings.
• Always use PPE to avoid inhaling airborne nanotube particles.
• Avoid contact with skin or accidental swallowing; seek help if exposure occurs.
• If skin comes into contact with it, thoroughly wash with plenty of soap and water.
• Rinse eyes with water if exposed.
• Dispose of materials following local hazardous waste rules.
• If inhaled and symptoms develop, give artificial respiration and contact medical professionals immediately.

How to use Multi Walled Carbon Nanotubes (MWCNT) Dispersion

• Measure the required volume of MWCNT dispersion according to the application.
• Select a compatible matrix or solvent for further dilution if needed.
• Gently mix the dispersion to ensure homogeneity; avoid vigorous shaking, as this may cause the dispersion to foam.
• Ultrasonicate if further de-agglomeration is necessary, using controlled time and intensity to preserve nanotube integrity.
• Check for uniform suspension; repeat sonication if aggregates remain.
• Incorporate the dispersion directly into the formulation or process as required.

Why Choose Us?

Shilpa Enterprises specializes in high-quality, customized Multi Walled Carbon Nanotube dispersions. We are the manufacturer and supplier of our products with rigorous quality checks to ensure their performance remains steady and reliable. With over ten years of experience, we provide customized solutions with bare minimum price for industries including electronics, energy, healthcare, and precision materials. Contact us to discover how our MWCNT dispersions can help the operator to achieve the next breakthrough.