Abrasive tool making process – material – or composition – With inorganic material – Clay – silica – or silicate
Patent
1992-12-31
1994-08-30
Bell, Mark L.
Abrasive tool making process, material, or composition
With inorganic material
Clay, silica, or silicate
51298, B24D 1100
Patent
active
053424190
ABSTRACT:
An abrasive composite is presented having a controlled rate of erosion, the composite comprising abrasive particles dispersed in the binder, wherein the binder comprises an addition polymerized resin having clay particles dispersed therein. The abrasive composite may be adhered to various substrates, including paper, cloth, polymeric films, and nonwovens. The clay particles allow the binder, and thus the composite, to controllably erode upon abrasion of a workpiece, thus exposing fresh abrasive particles to the workpiece. Coatable compositions comprising clay particles dispersed in a binder precursor composition, and optionally containing abrasive particles, are also described, as well as methods of making and using the composites and articles.
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Bell Mark L.
Griswold Gary L.
Jones Deborah
Kirn Walter N.
Minnesota Mining and Manufacturing Company
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