Abrasive article comprising a barrier coating
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United States of America Patent
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Apr 17, 2001
Grant Date -
N/A
app pub date -
May 19, 1998
filing date -
May 19, 1998
priority date (Note) -
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Abstract
An abrasive article is formed having a barrier coating coextensive with and interposed between a backing and an abrasive coating. The hardened barrier coating essentially eliminates penetration of the abrasive coating into the backing, especially volatile materials. The barrier coating comprising as starting materials a water-borne resin that upon hardening forms a crystalline or semi-crystalline polymer, a major polyfunctional crosslinking agent, and at least one minor polyfunctional crosslinking agent. The minor polyfunctional crosslinking agent enhances the attachment of the abrasive coating to the barrier coating.
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