Yang Jian-zhou
2009
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China Surfactant Detergent & Cosmetics
Abstract
Tetradecyl alcohol and epichlorohydrin were used as starting materials for reaction to get an intermediate alkyl glycidyl ether.The intermediate was further reacted with triethyl amine hydrochloride to prepare a cationic surfactant of ether type quat,3-tetradecyloxy-2-hydroxy-propyltriethylammonium chloride(TPAC).The optimal conditions were identified through orthogonal experimental design and the product yield achieves 92.2%.The end product was characterized by IR spectrum and elemental analysis.At 25 ℃,the cmc of TPAC was determined as 8.31×10-4 mol/L and the surface tension γcmc as 34.80 mN/m.The product TPAC shows lower foaming power at an aqueous solution concentration of 0.1 mol/L.The product can be used as finishing agent for the cotton fabrics,showing good softening performances.