Graphitized Carboxyl Multi-walled Carbon Nanotubes, OD 20-30 nm,, length 5-30um, purity >99.9%Product Type: Multi-walled carbon nanotube material
Research-grade laboratory product
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LABORATORY PROCUREMENT SUPPORT
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Supplier: Atomfair
Brand: ATOMFAIR®
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Manufacturer: Atomfair LLC
Brand: ATOMFAIR®
What is the trade-off between the high purity (>99.9%) and the relatively low carboxyl content (0.61 wt%) in these graphitized MWCNTs for electrochemical applications?
The high purity (>99.9%) minimizes amorphous carbon and catalyst residues, improving electrochemical stability. The graphitized structure enhances electrical conductivity, while the 0.61 wt% -COOH provides moderate functionalization for dispersion in polar media without severely compromising intrinsic conductivity. This balance is suited for electrode and composite formulations where both purity and dispersibility are required.
What integration constraints arise when using these graphitized carboxyl MWCNTs (OD 20–30 nm, length 5–30 µm) in polymer nanocomposites for structural applications?
The outer diameter of 20–30 nm and length of 5–30 µm yield a high aspect ratio beneficial for mechanical reinforcement. The graphitized surface and carboxyl groups may improve interfacial adhesion with polar polymers, but the small diameter and nanoscale length can cause agglomeration at higher loadings, requiring optimized dispersion protocols. The >99.9% purity ensures minimal defects that could act as stress concentrators.
What storage and handling precautions are recommended for these graphitized carboxyl MWCNTs to maintain performance and ensure laboratory safety?
The product is identified as a research-grade laboratory powder with outer diameter 20–30 nm and length 5–30 µm, making it potentially respirable. Standard precautions for carbon nanomaterials—including use in a fume hood, gloves, and dust masks—are advised. The carboxylated, graphitized surface may be hygroscopic, so storage in a sealed, dry container is recommended to prevent moisture absorption that could affect dispersibility.
This graphitized carboxyl multi-walled carbon nanotube material (OD 20-30 nm, length 5-30 µm, purity >99.9%, -COOH content 0.61 wt%) offers a balance of high purity and moderate functionalization for dispersion and composite integration, but the fixed carboxyl density and broad length distribution impose constraints on application-specific reproducibility.
Positive
- High purity with graphitized structure: Purity >99.9% and graphitization reduce amorphous carbon and catalyst residues, improving electrical conductivity and thermal stability in composite or electrode formulations.
- Carboxyl functionalization for dispersion: The -COOH content of 0.61 wt% provides covalent anchoring sites for polymer grafting or surface modification, enhancing compatibility with polar solvents and resin matrices.
Trade-offs
- Fixed carboxyl density limits tunability: The -COOH loading is specified at 0.61 wt% without adjustment options, which may not be optimal for applications requiring higher or lower functional group density for targeted reactivity or dispersion stability.
- Broad length distribution affects consistency: Length range of 5-30 µm introduces significant aspect ratio variability, potentially leading to batch-to-batch differences in percolation threshold, rheology, or mechanical reinforcement in nanocomposites.
Every advanced material, component, equipment, and instrument in our catalog is backed by rigorous testing. We maintain strict internal quality management frameworks and align with CE conformity metrics to deliver transparent, reproducible performance data via our public open-science repository.
To request raw batch performance data, submit formal vendor registration paperwork, or execute a fast-turnaround R&D manufacturing loop, contact us at inquiry@atomfair.com.
Item is dispatched under the Atomfair Shipping & Delivery Framework (Free worldwide shipping on orders over $59 USD excl. heavy equipment). Return is governed by the Atomfair Return & Refund Policy (7-day technical return window).
