Patent ID: 6080710
Filing Date: 2000-06-27
Classification: C11D

Abstract:
A process for making a polymeric coated peroxygen bleach component having a solid core containing particles of said peroxygen bleach component including the steps of:(i) dispersing a solid peroxygen bleach component in a continuous liquid phase to form discrete islands of dispersed phase containing said bleach component;(ii) forming a polymeric coating at the interface between the said dispersed phase and the continuous phase by coacervation from a mixture of (a) neutralized polyacrylates containing a propionic acid-based repeating unit: ##STR6## wherein each X is selected from the group consisting of Na, K, NH.sub.4, NH.sub.2 CH.sub.2 CH.sub.2 and H; R is CH.sub.3 or H; and n is chosen to give a maximum molecular weight of 100,000 and (b) a polyacrylamide: ##STR7## wherein m is chosen to give a molecular weight greater than 300,000.