Method of making a coated abrasive article

Details Method of making a coated abrasive article Method of making a coated abrasive article

B - Operations, Transporting

24

D

B24D 3/00 (2006.01) B24D 3/28 (2006.01) B24D 3/34 (2006.01) B24D 11/00 (2006.01) B29C 39/18 (2006.01) B29C 70/64 (2006.01)

Patent

CA 2087804

A method of preparing a coated abrasive article in Which the presence of multiple layers of abrasive grains are minimized. In one variation, the method comprises the steps of: (a) providing a backing; (b) applying a make coat precursor to the backing; (c) partially curing the make coat precursor; (d) applying, preferably by projecting, a plurality of abrasive grains into the partially cured make coat precursor; and (e) completely curing the partially cured make coat precursor. In another variation of this method, a size coat precursor is applied over the abrasive grains and cured make coat, and the size coat precursor is completely cured. In another variation of this method, a size coat precursor is applied over the abrasive grains and the partially cured make coat precursor, and the make coat precursor and the size coat precursor are completely cured. The make coat precursor preferably comprises an unsaturated resin that polymerizes via a free radical polymerization mechanism at the site of .alpha.,.beta.-unsaturation.

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