Patent ID: 7393905
Filing Date: 2008-07-01
Classification: C08B,C08J,C08L

Abstract:
1. A composition, comprising a first carboxylated polymer having a plurality of carboxyl groups and a second carboxylated polymer having a plurality of carboxylated groups having some carboxyl groups activated, treated-with an amount of an amine compound having only one amino group reactive with an activated carboxyl group to form one amide bond, and one or more tertiary or quaternary amino groups forming ionic bonds with carboxyl groups, wherein the first carboxylated polymer and the second carboxylated polymer are different and wherein the second carboxylated polymer is selected from the group consisting of a polyacrylic acid, a polymaleic acid, a polyaspartic acid, and a copolymer of acrylic acid and acrylamide.