Length 1-2um -COOH Functionalized Multi Walled Carbon Nanotubes

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COOH Functionalized MWCNT Short


Code C933-MC-S
Name COOH Functionalized MWCNT Short
Formula MWCNT
CAS No. 308068-56-6
Diameter 8-20nm / 20-30nm / 30-60nm / 60-100nm
Length 1-2um
Purity 99%
Appearance Black powder
COOH content 4.03% / 6.52%
Package 25g, 50g, 100g, 1kg or as required
Potential applications Conductive, composite material, sensors, catalyst carrier, etc.


Since their discovery in 1991, carbon nanotubes have been favored by researchers in the fields of chemistry, physics, and materials science. However, because carbon nanotubes are very easy to agglomerate, they are not easily dispersed into a bottleneck in practical applications. Surface chemical modification of carbon nanotubes to improve their surface properties is an effective way to open this bottleneck. The chemical modification method is to make a chemical reaction between the carbon nanotubes and the modifier to change the surface structure and state of the carbon nanotubes, so as to achieve the purpose of modification. One of the most commonly used is strong acids or mixed acids to oxidize defects on the surface of carbon nanotubes to form carboxyl groups.

COOH Multi Walled Carbon Nanotubes can be used in composite materials to improve their performance. The following are some papers and research results for reference:

As a heterogeneous nucleating agent, CNT-COOH reduces the average size of phenolic foam cells and increases the cell density; as the content of CNTCOOH in phenolic foam increases, the compression modulus and compression of CNT-COOH / phenolic foam composite Strength increased.

After carboxylation modification of MWCNTs, the dispersion in ABS matrix material is improved, and the stability is improved. At the same time, the mechanical properties of ABS / MWCNTs-COOH composite material are also improved, and the tensile strength is also improved. In the process, a network carbon layer will be formed on the surface of the material to improve the flame retardant performance of the composite material.

Storage Condition:

COOH Functionalized MWCNT Short should be well sealed, be stored in cool, dry place, avoid direct light. Room temperature storage is OK.



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