Method of preparing rough textured metal coated abrasives...

Details Method of preparing rough textured metal coated abrasives... Method of preparing rough textured metal coated abrasives...

C - Chemistry, Metallurgy

09

K

57/16, 117/77

C09K 3/14 (2006.01) C23C 18/16 (2006.01) C23C 18/18 (2006.01)

Patent

CA 1198943

ABSTRACT OF THE DISCLOSURE An improved metal coated abrasive is prepared with a controlled, rough textured surface, which surface has improved adherence to resinous materials when said coated abrasives are incorporated into resin bonded tools. Disclosed is a process for achieving this rough texture through a modification to the known electroless or autocatalytic techniques for coating abrasives with metals such as copper and nickel. The improvement comprises: interrupting the electroless coating process by passivating the surface one or more times: and then reactivating the passivated surface each time with a catalytic material whereby an array of preferential sites for metal deposition is obtained; and resuming normal electroless coating.

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