Carboxylated Single-walled carbon nanotubes dispersion inwater, ; 0.2 wt% contentProduct Type: Single-walled carbon nanotube material
Research-grade laboratory product
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LABORATORY PROCUREMENT SUPPORT
For model selection, material specification matching, application fit or quotation confirmation, contact our technical sales team.
E-MAIL: inquiry@atomfair.com
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Supplier: Atomfair
Brand: ATOMFAIR®
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Manufacturer: Atomfair LLC
Brand: ATOMFAIR®
How does carboxylation affect the electrical conductivity of single-walled carbon nanotubes, and does the 0.2 wt% aqueous dispersion provide sufficient loading for percolation in thin films?
Carboxylation introduces functional groups that improve dispersibility in water but can reduce intrinsic electrical conductivity of SWCNTs due to defect sites. The 0.2 wt% content is a low concentration suited for controlled addition in research formulations; percolation threshold depends on the matrix and processing method. The product is specifically supplied as a carboxylated SWCNT dispersion in water at 0.2 wt% for applications requiring well-dispersed nanotubes.
Can this carboxylated SWCNT water dispersion be directly mixed with hydrophobic polymer matrices like epoxy, or are additional surfactant or solvent exchange steps required?
The product is an aqueous dispersion, so direct mixing with hydrophobic resins such as epoxy may require solvent exchange or the addition of compatible surfactants to achieve uniform dispersion. The product description indicates that aqueous, NMP, oil-based, paste, and slurry forms can be matched to coating or composite preparation workflows, but compatibility with the specific matrix should be confirmed with the manufacturer.
What are the recommended storage conditions and handling precautions for this carboxylated SWCNT dispersion to prevent aggregation or contamination?
The product description does not specify explicit storage conditions or shelf life. As a general precaution for aqueous nanocarbon dispersions, storage at room temperature away from freezing and direct sunlight is advisable, and gentle agitation or brief sonication before use may help maintain homogeneity. For specific handling guidelines, the manufacturer recommends contacting the technical sales team.
This carboxylated single-walled carbon nanotube aqueous dispersion at 0.2 wt% content provides a pre-functionalized nanomaterial for direct integration into composite, electrode, or conductive film workflows, eliminating the need for post-synthesis functionalization steps.
Positive
- Pre-functionalized for direct use: Carboxylated SWCNTs enable covalent or electrostatic binding in composite and electrode formulations without additional surface modification steps, reducing preparation time and batch variability.
- Aqueous dispersion compatibility: Water-based dispersion at 0.2 wt% content facilitates integration into environmentally benign processing workflows and is compatible with aqueous-based coating, ink, or slurry systems.
Trade-offs
- Low solid content limits throughput: At only 0.2 wt% SWCNT content, large volumes of dispersion are required to achieve meaningful nanotube loading in composites or films, increasing solvent removal demands and processing time.
- Aqueous system drying constraints: Water as the dispersion medium requires controlled evaporation conditions to avoid nanotube agglomeration or film cracking, necessitating precise temperature and humidity management during drying.
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).
