Free-flowing detergent powders.

摘要

A free-flowing granular laundry detergent composition and a process for preparing it is disclosed. The composition employs:
<UnorderedLists id="ula01" listStyle="none"><ListItem>(a) a polycarboxylic structuring agent;</ListItem><ListItem>(b) a finely divided alkali or alkaline earth metal carbonate having a particle diameter of 20 microns or less; and</ListItem><ListItem>(c) a nonionic surfactant.</ListItem></UnorderedLists>

The process includes mixing (a) and (b) prior to adding (c) and subsequently aqueously dispersing and mixing all the components followed by removal of excess water.