ADBACAlkyl Dimethyl Benzyl Ammonium Chloride
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Adsorption of ADBAC on cotton nonwovens can be attributed to electrostatic interactions, dispersion forces and hydrophobic interactions.
This trend combined with other observations indicates the binding mechanism of ADBAC on cotton surfaces is electrostatic interactions.
At a constant surfactant concentration, the liquor ratio, pH, temperature and electrolyte concentration in the solution were found to have a second level effect on ADBAC binding.
The following figures show the level of ADBAC exhausted as a function of the concentration of the co-formulated nonionic surfactant, polyethylene-oxide 12 (Figure 4) and small quat, tetramethyl ammonium chloride (Figure 5).
In summary, the modified USDA wet wipe disinfection formulations containing a common ADBAC biocide were shown to not bind the quat in a 100% hydroentangled bleached cotton fiber nonwoven wipe.