In high-end composite materials, electronic devices, and new energy applications, carbon nanotubes (CNTs) hold great promise due to their exceptional electrical conductivity, thermal conductivity, and mechanical properties. In practice, however, CNTs readily agglomerate and clump under van der Waals forces, making uniform dispersion in a matrix extremely difficult. This not only leaves material performance far below theoretical values and wastes expensive nanomaterials, but also leads to poor process stability and low yield, becoming a common challenge for many R&D and production teams.
Chemi Tech has keen insight into this core pain point. Drawing on deep technical expertise in nanomaterial surface modification, we have developed a series of high-efficiency carbon nanotube dispersants. Our solution is not simply about adding an additive; through precise molecular design, the dispersant molecules anchor firmly onto the CNT surface, forming a stable steric hindrance or electrostatic repulsion barrier that fundamentally prevents re-agglomeration.
Our recommended step-by-step solution is clear and easy to implement. First, diagnosis and analysis. Our technical team will work with you to analyze your CNT type, target system, and performance requirements. Second, customized formulation. Based on the diagnosis, we select or compound the most suitable Chemi Tech dispersant grade for you. Third, process optimization. We provide detailed dispersion-process guidance, including key parameters such as the recommended addition sequence, shear intensity, and duration. Fourth, performance verification. We assist you in conducting particle-size analysis, stability tests, and final composite performance evaluation of the dispersed slurry to ensure the desired goals are achieved.
For example, a team focused on developing flexible sensing materials once struggled with uneven CNT dispersion in a polymer, resulting in unstable sensor signal response and large batch-to-batch variation. After adopting the Chemi Tech customized dispersant and supporting process, the stability of their CNT slurry improved significantly, with no settling after standing for one week. The final film material showed a uniform conductive network, and batch-to-batch electrical performance consistency improved by more than 70%, successfully advancing the product's finalization and mass production.
Choosing Chemi Tech means you gain not only a high-performance dispersant, but also a technical partner dedicated to overcoming the application bottlenecks of nanomaterials. Let us help you turn the extraordinary potential of carbon nanotubes into your product's core competitiveness.