公开(公告)号：US11072732B2

公开(公告)日：2021-07-27

申请号：US16344256

申请日：2017-09-27

Applicant: 3M INNOVATIVE PROPERTIES COMPANY

Inventor： Thomas J. Nelson ,  Joseph B. Eckel ,  Aaron K. Nienaber ,  Jaime A. Martinez ,  Eli A. Davis ,  Louis S. Moren

IPC: C09K3/14 ,  C04B35/628 ,  C04B35/624 ,  B24D11/00 ,  C08K3/22 ,  C04B35/111 ,  C08G8/10 ,  C08K7/00 ,  C08K9/02 ,  C08K9/04 ,  H01F1/03

Abstract: A magnetizable abrasive particle comprises a ceramic body having an outer surface and a magnetizable layer disposed on a portion, but not the entirety, of the outer surface. The ceramic body comprises a platelet having two opposed major facets connected to each other by a plurality of side facets. The magnetizable layer completely covers one of the two opposed major facets, and the magnetizable layer has a magnetic dipole oriented perpendicular or parallel to the facet which it completely covers. A plurality of the magnetizable abrasive particles, and abrasive articles including them are also disclosed. Methods of making the foregoing are also disclosed.

公开(公告)号：US20190249053A1

公开(公告)日：2019-08-15

申请号：US16344256

申请日：2017-09-27

Applicant: 3M INNOVATIVE PROPERTIES COMPANY

Inventor： Thomas J. Nelson ,  Joseph B. Eckel ,  Aaron K. Nienaber ,  Jaime A. Martinez ,  Eli A. Davis ,  Louis S. Moren

IPC: C09K3/14 ,  C04B35/111 ,  C04B35/628 ,  C08G8/10 ,  C08K9/04 ,  C08K9/02 ,  C08K7/00 ,  C08K3/22

CPC classification number: C09K3/1436 ,  B24D11/00 ,  C04B35/1115 ,  C04B35/624 ,  C04B35/62815 ,  C04B35/62826 ,  C04B35/62886 ,  C04B2235/3217 ,  C04B2235/3272 ,  C04B2235/52 ,  C04B2235/5292 ,  C04B2235/94 ,  C04B2235/96 ,  C08G8/10 ,  C08K3/22 ,  C08K7/00 ,  C08K9/02 ,  C08K9/04 ,  C08K2003/2227 ,  C08K2201/01 ,  H01F1/0302

Abstract: A magnetizable abrasive particle comprises a ceramic body having an outer surface and a magnetizable layer disposed on a portion, but not the entirety, of the outer surface. The ceramic body comprises a platelet having two opposed major facets connected to each other by a plurality of side facets. The magnetizable layer completely covers one of the two opposed major facets, and the magnetizable layer has a magnetic dipole oriented perpendicular or parallel to the facet which it completely covers. A plurality of the magnetizable abrasive particles, and abrasive articles including them are also disclosed. Methods of making the foregoing are also disclosed.