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Screening of Dispersants for Aqueous Carbon Nanotubes

2026-04-02
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Experimental Record Sheet

Experiment Title 

Screening of Dispersants for Aqueous Carbon Nanotubes Temperature / Humidity 23°C / 47% RH

Customer 

/

Applicant 

Chen

Experiment Date 

March 23, 2026    

Experimental Objective:

Customer requirements:

D90 particle size: < 300 nm

Total solid content: > 8.5%

Viscosity: 2000–5000 cPs

Dispersion medium: Deionized water

Color Paste Formulation

         

Deionized Water

87            

Wetting Agent

0.5 7414          

Dispersant

7.5 6871 6881 6272 6240-50    

Multi-Walled Carbon Nanotubes (MWCNTs)

5            
               

Experimental Method

Samples were prepared using various dispersants. Glass beads were added and the mixtures were ground using a machine. The resulting samples were then tested and compared for various properties.

 

Test Results

 
 

Appearance

D90 Particle Size (nm) Solid Content (%) Viscosity      
6871 Severe pseudoplasticity, no flow 552.05 7.8 Severe pseudoplasticity, no flow      
6881 Slight stirring restores fluidity 162 11 1562      
6272 Slight stirring restores fluidity 11260 11 2403      
6240-50 Slight stirring restores fluidity 12027 8 384.5      
               
               
               
实验结论:6881合格
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