Patent ID: 6620874
Filing Date: 2003-09-16
Classification: C08F,C08L

Abstract:
A method of making an ionomeric particulate composition comprising(a) forming an aqueous phase comprising at least one acid monomer containing a carboxylic acid, at least one metal oxide, and at least a first surfactant and a second surfactant, the first surfactant being a monomer surfactant that aids in the initial formation of the ionomeric particulate and at least a portion of the first surfactant polynmerizes to become a part of the ionomeric particulate; (b) forming an oil phase comprising at least one initiator and at least one vinyl monomer selected from the group consisting of acrylic acid ester of non-tertiary alcohol having 1 to 14 carbon atoms, vinyl acetate, styrene, octylacrylamide, and N-vinyl lactams; and (c) suspension polymerizing oil phase wherein the particulates do not have pressure sensitive tack.