Patent ID: 8435098
Filing Date: 2013-05-07
Classification: B24D

Abstract:
1. An abrasive article comprising: a backing having first and second major surfaces; an abrasive layer overlying the first major surface; a backsize layer overlying the second major surface, the backsize layer formed from a cured formulation including a cationically polymerizable component, a radically polymerizable component, and greater than 5% by weight of a nano-sized filler based on the weight of the formulation, the nano-sized filler having an average particle size of not greater than 100 nm and being substantially monodispersed; wherein the backsize layer is configured with protrusions extending at least about 10 microns in the normal direction to the second major surface of the backing; wherein the protrusions have a pyramidal shape, a prism shape, or a combination thereof, and wherein the protrusions with a prism shape are ordered in closely arranged rows with 20 to 80 rows per 25.4 mm (1 inch), or the protrusions with a pyramidal shape are sized and arranged to include 10 to 60 pyramids per 25.4 mm (1 inch).