B - Operations – Transporting – 24 – D
Patent
B - Operations, Transporting
24
D
57/12, 57/4
B24D 3/28 (2006.01) B24D 3/00 (2006.01) B24D 11/00 (2006.01) B24D 18/00 (2006.01)
Patent
CA 1263240
ABSTRACT Coated abrasive comprising a backing and abrasive grain adhered to said backing by means of a binder. The binder is pre- pared from a composition that is curable by free-radical polymer- ization. The composition contains abrasive grain suspended there- in at the time the composition is coated onto the backing. The abrasive exhibits high endurance for extended periods of use. The coated abrasive is prepared by a method comprising the steps of: (a) providing a coatable composition comprising a binder curable by free-radical polymerization, said composition having lapping size abrasive grains suspended therein, (b) coating said composi- tion on a backing, and (c) curing said composition by means of free-radical polymerization.
523191
Chasman Jonathan N.
Hegel Ramon F.
Kendall Philip E.
Postma Nathan B.
Spencer Douglas S.
Minnesota Mining And Manufacturing Company
Smart & Biggar
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