US 11,724,364 B2
Abrasive article and method of grinding
Jaime A. Martinez, Woodbury, MN (US); Jing Zhang, Minneapolis, MN (US); Geoffrey I. Wilson, Woodbury, MN (US); Stacy A. Sommer, Hudson, WI (US); and Louis S. Moren, Oakdale, MN (US)
Assigned to 3M INNOVATIVE PROPERTIES COMPANY, St. Paul, MN (US)
Appl. No. 16/467,156
Filed by 3M INNOVATIVE PROPERTIES COMPANY, St. Paul, MN (US)
PCT Filed Dec. 4, 2017, PCT No. PCT/US2017/064469
§ 371(c)(1), (2) Date Jun. 6, 2019,
PCT Pub. No. WO2018/106583, PCT Pub. Date Jun. 14, 2018.
Claims priority of provisional application 62/432,122, filed on Dec. 9, 2016.
Prior Publication US 2020/0070315 A1, Mar. 5, 2020
Int. Cl. B24D 11/02 (2006.01); B24D 3/00 (2006.01); B24D 3/28 (2006.01); B24D 3/34 (2006.01); C09K 3/14 (2006.01)
CPC B24D 11/02 (2013.01) [B24D 3/004 (2013.01); B24D 3/28 (2013.01); B24D 3/344 (2013.01); C09K 3/1409 (2013.01)] 11 Claims
OG exemplary drawing
 
1. An abrasive article comprising:
a backing;
abrasive particles secured to the backing; and
a size coat provided over the abrasive particles;
wherein the size coat comprises a binder resin, at least one filler material and at least one lubricant material having a melting temperature of at least about 200 degrees F.;
wherein:
the lubricant material comprises a Fischer-Tropsch wax that is a solid powder at room temperature, the solid powder having an average particle size of at least 1 micron and no greater than 50 microns;
the binder resin comprises a phenolic resin; and
the filler material comprises potassium aluminum fluoride (PAF);
wherein the wt % ratio of phenolic resin to the combination of the filler material and the lubricant material is at least 1:4 and no greater than 4:1.