3M Innovative Properties Company

Gregory S Mueller

Scott R Culler

Thomas J Nelson

Negus B Adefris

Ernest L Thurber

Brian G Koethe

Ann M Hawkins

Junting Li

Gregory P Sorenson

Geoffrey I Wilson

Jing Zhang

Daniel M Lentz

Robinette S Alkhas

Chainika Jangu

Ronald D Apple

Laura M Lara Rodriguez

Michael D Kariniemi

Jon T Schwartz

Blake R Rustad

Ronald David Apple

Various embodiments disclosed relate to an abrasive article (). The abrasive article (includes a backing () defining a major surface. The abrasive article () includes an abrasive layer including a plurality of tetrahedral abrasive particles () attached to the backing (). The tetrahedral abrasive particles () include four faces joined by six edges terminating at four vertices (). Each one of the four faces contacts three of the four faces, and a major portion of the tetrahedral abrasive particles () have at least one of the vertices () oriented in substantially a same direction.

Tetrahedral abrasive particles in abrasive articles

An open coat abrasive article includes a backing having first and second opposed major surfaces, a make coat resin on at least one major surface of the backing, abrasive particles arranged on the backing at least partially embedded in the make coat resin, and a size coat resin on the first resin and the abrasive particles, wherein the shaped abrasive particles have an average peak count of no greater than about 40,000 per 24 in. A method of abrading in a body-in-white application is also disclosed.

Open coat abrasive article and method of abrading

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Eden Prairie, MN, United States of America

Gregory S Mueller