Method of preparing rough textured metal coated abrasives and pr

Details Method of preparing rough textured metal coated abrasives and pr Method of preparing rough textured metal coated abrasives and pr

1982-01-15

1984-03-06

Smith, John D.

Abrasive tool making process, material, or composition

Impregnating or coating an abrasive tool

51298, 51309, 427217, 427304, 427404, 428403, 428570, 148 315, C23C 302

Patent

active

044351895

ABSTRACT:
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.

REFERENCES:
patent: 3923476 (1975-12-01), Roy
patent: 4278448 (1981-07-01), Ishizuke

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