Oil single-walled carbon nanotubeconductivepaste High concentration MWCNTs water dispersion(~14 wt%) High concentration carboxyl MWCNTs waterdispersion, 2.16-2.64 wt% content, OD 1.4±0.5 nm; Lengthum>100Product 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.
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Supplier: Atomfair
Brand: ATOMFAIR®
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Manufacturer: Atomfair LLC
Brand: ATOMFAIR®
This product contains N-methyl-2-pyrrolidone (NMP) at 97.6 wt%, a solvent with reproductive toxicity and flammability. Storage must be in a cool, well-ventilated area, tightly sealed, and away from heat, sparks, and open flames.
- Personal Protective Equipment: Wear chemical-resistant gloves, safety goggles, and a lab coat when handling this material.
- Ventilation: Use only in a fume hood or glovebox to minimize inhalation of NMP vapors and carbon nanotube aerosols.
- Spill Management: Absorb spills with inert material and dispose as hazardous waste according to local regulations.
- Incompatibility: Avoid contact with strong oxidizing agents and acids due to potential reaction with NMP.
- Shelf Life: Use within the recommended period to prevent solvent evaporation or viscosity changes; keep container sealed.
This procedure covers the safe transfer and initial preparation of the conductive paste for research use. Follow all institutional safety protocols for nanomaterial and solvent handling.
Required Equipment: Chemical-resistant gloves, Safety goggles, Fume hood or glovebox, Clean spatula or pipette
- Inspect container
Inspect the container for any signs of damage or leakage before opening. - Equilibrate to room temperature
Place the container inside a fume hood or glovebox and allow it to equilibrate to room temperature for 30 minutes. - Open container slowly
Open the container slowly to relieve any pressure buildup. - Stir paste
Stir the paste gently with a clean spatula to ensure homogeneity before dispensing. - Transfer required amount
Transfer the required amount to a clean, dry container using a dedicated spatula or pipette. - Reseal original container
Immediately reseal the original container and store it in the designated storage area. - Decontaminate tools
Decontaminate all tools and surfaces with appropriate solvent after use.
What is the effective nanotube loading in the solid content of the AF-CNTP-OILSW-P800 paste, and how does the PVDF binder content affect the conductive network formation?
The solid content of the paste is 2.16–2.64 wt%, but the single-walled carbon nanotube content is only 0.40 wt%, with PVDF binder at 2±0.1 wt% and NMP at 97.6±0.1 wt%. This means the nanotubes constitute roughly 15–18% of the total solids, with the balance being PVDF. The high binder fraction may increase adhesion but could dilute the percolation network, requiring careful optimization for electrode formulations.
What solvent and pH constraints apply when incorporating the AF-CNTP-OILSW-P800 paste into NMP-based electrode slurries?
The paste is formulated with NMP as the primary solvent (97.6±0.1 wt%) and a pH range of 5.0–9.0. It is directly compatible with NMP-based slurry processing typically used for PVDF-bound electrodes. However, the pH range must be maintained to avoid destabilization; acidic or alkaline additives that shift the pH outside 5.0–9.0 could cause aggregation or gelation of the nanotube dispersion.
What are the critical handling and storage requirements for the AF-CNTP-OILSW-P800 paste given its NMP content and metal impurity levels?
The paste contains 97.6 wt% NMP, a toxic and flammable solvent requiring proper ventilation, fume hood use, and sealed storage. Its viscosity is ≤5000 mPa·s at room temperature, making it pumpable but requiring careful dispensing. The product also contains trace metal impurities (Cr 1.22 ppb, Cu 0.331 ppb, Fe 3 ppb) that, while low, should be verified against process tolerances in contamination-sensitive applications.
This oil-based single-walled carbon nanotube conductive paste (AF-NM-C-SWCN-P800-R04G) is a pre-dispersed formulation with 2.16-2.64 wt% solid content, 0.40 wt% SWCNTs, and 2±0.1 wt% PVDF binder in NMP solvent, designed for direct use in electrode coating or conductive composite workflows without additional dispersion processing.
Positive
- Pre-dispersed SWCNT paste with binder: Contains 2±0.1 wt% PVDF binder and 97.6±0.1 wt% NMP solvent, enabling direct coating or composite preparation without separate binder dissolution or nanotube dispersion steps.
- Controlled metal impurity profile: Magnetized metal content is specified at ppb levels (Cr 1.22, Cu 0.331, Fe 3.6, Mn 0, Ni 0, Zn 0), which is critical for minimizing catalytic side reactions in electrochemical applications.
Trade-offs
- NMP solvent handling required: The paste uses NMP (97.6±0.1 wt%) as the carrier solvent, which requires proper ventilation and solvent recovery infrastructure due to its toxicity and high boiling point.
- Viscosity constraint for processing: Viscosity is specified as ≤5000 mPa·s, which may limit compatibility with certain spray-coating or slot-die systems without dilution or temperature adjustment.
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).
