Research Article

Determining the Surfactant Consistent with Concrete in order to Achieve the Maximum Possible Dispersion of Multiwalled Carbon Nanotubes in Keeping the Plain Concrete Properties

Table 3

The optimal amount of different combinations of surfactant.

SurfactantManufacturerPurityDosage (gr/mL)

SDS/DTAB (9 : 1) [23, 24]Sigma-AldrichSDS = 2.272,
DTAB = 0.2524
SDSSigma-Aldrich≥98%SDS = 2.524
NaDDBS [15]Merck GroupNaDDBS = 4.88
TX-100/NaDDBS (3 : 1) [14]Merck GroupTX-100 = 6.672,
NaDDBS = 2.224
TX-100/NaDDBS (2.25 : 1)Merck GroupTX-100 = 5.004,
NaDDBS = 1.668
Superplasticizer (0.4 wt%) [29]Sarapouch Co.≥97%Superplasticizer = 0.0098
Superplasticizer (0.5 wt%)≥97%Superplasticizer = 0.0123
Superplasticizer (0.7 wt%)≥97%Superplasticizer = 0.0173
Superplasticizer/SDS (9 : 1)SDS ≥ 98%SDS = 0.0014,
Superplasticizer ≥ %Superplasticizer = 0.0123

: Weight of cement used per cubic meter of concrete (wt).
: These compositions were tested for further research.