Patent ID: 8603206

Claim:
An abrasive article comprising abrasive grains bonded with a binder comprising a matrix polymer and an amphiphilic block copolymer dispersed in the matrix polymer, wherein the matrix polymer is a resin selected from the group consisting of phenolic resin, urea-formaldehyde resin, acrylic resin, epoxy resin, epoxy-acrylate resin, acrylamide resin, silicone resin, isocyanurate resin, melamine-formaldehyde resin, polyimide resin, or any combination thereof, wherein the amphiphilic block copolymer includes at least a philic block segment miscible with the matrix polymer and at least a phobic block segment immiscible with the matrix polymer, and wherein the amphiphilic block copolymer includes a block copolymer of polybutylacrylate and polymethylmethacrylate, or block terpolymers thereof, and wherein the amphiphilic block copolymer forms domains dispersed within the matrix polymer having a diameter not greater than 100 nm.