公开(公告)号：US20220055187A1

公开(公告)日：2022-02-24

申请号：US17415150

申请日：2019-12-17

Applicant: 3M INNOVATIVE PROPERTIES COMPANY

Inventor： Joseph B. Eckel ,  Aaron K. Nienaber ,  Thomas J. Nelson ,  Amelia W. Koenig ,  Ann M. Hawkins

IPC: B24D18/00 ,  B24D3/28 ,  B24D3/00

Abstract: Various embodiments of the present disclosure relate to a shaped abrasive particle transfer assembly. The shaped abrasive particle transfer assembly includes a substrate including an adhesive and a plurality of shaped abrasive particles adhered to the substrate and forming a predetermined pattern thereon.

公开(公告)号：US20220055185A1

公开(公告)日：2022-02-24

申请号：US17415181

申请日：2019-12-10

Applicant: 3M INNOVATIVE PROPERTIES COMPANY

Inventor： Joseph B. Eckel ,  Aaron K. Nienaber ,  Thomas J. Nelson ,  Ann M. Hawkins ,  Amelia W. Koenig

IPC: B24D11/00 ,  B24D18/00

Abstract: Coated abrasive articles having spacer particles are formed by providing a production tool having a dispensing surface with a plurality of cavities, guiding the production tool past an abrasive particle feeder, dispensing shaped abrasive particles onto the dispensing surface and into the plurality of cavities of the production tool, guiding a resin coated backing sheet adjacent the production tool past a spacer particle feeder, and dispensing spacer particles onto the resin coated backing sheet and/or the production tool after the abrasive particle feeder prior to a deposit point for the shaped abrasive particles. The spacer particles are selected to have a thickness that is greater than a thickness of a resin coating of the resin coating backing sheet and a thickness and density once dispensed that are sufficient to substantially prevent the production tool from contacting the resin coated backing sheet at the deposit point.

公开(公告)号：US20210387310A1

公开(公告)日：2021-12-16

申请号：US17283171

申请日：2019-10-01

Applicant: 3M INNOVATIVE PROPERTIES COMPANY

Inventor： Ernest L. Thurber ,  Yu Yang ,  Junting Li ,  Liming Song ,  Stephen M. Sanocki ,  Yuyang Liu ,  Michelle L. Conklin ,  Morgan A. Priolo ,  Amelia W. Koenig ,  Yaohua Gao

IPC: B24D3/00 ,  B24D11/02

Abstract: A coated abrasive article (100) comprises: a backing (110) comprising polyester and having a major surface (115); a tie layer (120) directly bound to at least a portion of the major surface (115); and an abrasive layer (130) directly bound to at least a portion of the tie layer (120), the abrasive layer (130) comprising abrasive particles (160) and at least one binder resin (140). The tie layer (120) comprises an at least partially cured blend of, on a solids basis, from 50 to 99 parts by weight of at least one styrene-butadiene copolymer latex and from 1 to 50 parts by weight of at least one resorcinol-formaldehyde resin. A treated backing (110) comprising polyester having the preceding tie layer (120) directly bound thereto is also disclosed.