Improved detergent bar composition and manufacturing process

摘要

A low total fatty matter detergent bar composition comprising 15-70% total fatty matter, 0.5-40% colloidal aluminium hydroxide-phosphate complex, and 10-50% water. The invention also comprises a process for making a bar of this composition comprising the steps of reacting a mixture of one or more fats or fatty acids with phosphoric acid and an alkaline aluminium-containing material to obtain an aluminium hydroxide-phosphate complex and soap at a temperature of 25-95° C.; adding water to the complex and soap mixture; and converting the product of (b) into bars.