Patent ID: 6509404
Filing Date: 2003-01-21
Classification: C08F,C08L

Abstract:
An ionomeric particulate composition comprising the reaction product of:(a) 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; (b) at least one acid monomer containing a carboxylic acid; (c) at least one metal oxide; (d) 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 polymerizes to become a part of the ionomeric particulate; (e) a polyacrylamide; and (f) an initiator; wherein the particulate does not incorporate the use an added chain transfer agent to control molecular weight of the particulate.