Patent ID: 6139594
Filing Date: 2000-10-31
Classification: B24D,C08G

Abstract:
An abrasive article comprising:a backing having a first major surface;a tie coat on the first major surface of the backing formed from a tie coat precursor comprising a sulfopoly(ester-urethane) component comprising in its backbone at least one non-terminal arylene or alkylene group comprising a pendant sulfonic acid group or salt thereof having the formula: ##STR26## wherein R is a trivalent aliphatic or aromatic group and M is a cation, said aliphatic or aromatic group being bonded directly to ester groups and wherein the polymer is terminated by at least one hydrolyzable silyl group; andan abrasive layer on the tie coat, wherein the abrasive layer is formed form a plurality of abrasive particles dispersed in a binder precursor.