Abstract
A study was made on the structure, adsorption behavior toward fabrics and dependence upon particle size of an aqueous dispersion of di(hydrogenated tallow)dimethyl ammonium chloride (purified Arquad 2HT), the most widely used softener base. From the results of analyses by X-ray diffraction, differential scanning calorimetry (DSC) and electron microscopy, it was found that the dispersed phase of Arquad 2HT dispersion consisted of hydrated particles having a similar structure to that of the multilayered liposomes (or vesicles) of phospholipids and that these particles were adsorbed onto fabrics by softening treatment It was also found that finely dispersed particles showed better softening and antistatic performances in addition to a superior storage stability, due to their higher rate and uniformity of adsorption compared to roughly dispersed particles.
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Okumura, O., Ohbu, K., Yokoi, K. et al. A study on the adsorption of dialkyldimethyl ammonium chloride. J Am Oil Chem Soc 60, 1699–1704 (1983). https://doi.org/10.1007/BF02662437
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DOI: https://doi.org/10.1007/BF02662437