公开(公告)号：US20230356362A1

公开(公告)日：2023-11-09

申请号：US18029501

申请日：2021-08-19

Applicant: 3M INNOVATIVE PROPERTIES COMPANY

Inventor： Ernest L. Thurber ,  Thomas J. Nelson ,  Gregory P. Sorenson ,  Junting Li ,  Daniel M. Lentz ,  Brian G. Koethe ,  Jon T. Schwartz ,  Jing Zhang ,  Ann M. Hawkins ,  Geoffrey I. Wilson ,  Blake R. Rustad ,  Gregory S. Mueller

IPC: B24D3/34 ,  B24D3/28

CPC classification number: B24D3/344 ,  B24D3/28

Abstract: A method of making a coated abrasive article comprises sequential steps: disposing a curable composition on a major surface of a backing b) adhering abrasive particles to the curable composition; c) at least partially curing the free-radically polymerizable component; and d) at least partially curing the phenolic resin component to provide an at least partially cured composition. The curable composition comprises a phenolic resin component, a free-radically polymerizable component, and an organic polymeric rheology modifier, wherein the organic polymeric rheology modifier comprises an alkali-swellable/soluble polymer, and wherein, on a solid basis, the organic polymeric rheology modifier comprises from 0.001 to 5 weight percent of the phenolic resin component, the free-radically polymerizable component, and the organic polymeric rheology modifier combined. A variant wherein step b) effectively occurs after step c) is also disclosed. Abrasive articles made according to the methods are also disclosed.

公开(公告)号：US20230061952A1

公开(公告)日：2023-03-02

申请号：US17759727

申请日：2021-01-25

Applicant: 3M INNOVATIVE PROPERTIES COMPANY

Inventor： Daniel M. Lentz ,  Geoffrey I. Wilson ,  Thomas J. Nelson ,  Blake R. Rustad ,  Junting Li ,  Willam S. Maher ,  Gregory S. Mueller

IPC: B24D11/00 ,  B24D18/00

Abstract: An abrasive article is presented that includes a first set of shaped abrasive particles with a majority of the first set of shaped abrasive particles are oriented with respect to a backing in a first orientation. The abrasive article also includes a second set of shaped abrasive particles with a majority of the second set of shaped abrasive particles are oriented with respect to the backing in a second orientation, and wherein the second orientation differs from the first orientation. The first and second set of shaped abrasive particles are embedded within a coating layer on the baking.