METHOD OF MAKING A COATED ABRASIVE ARTICLE

专利名称：METHOD OF MAKING A COATED ABRASIVE

ARTICLE

发明人：Aaron K. Nienaber,Joseph B. Eckel,Thomas J.

Nelson,Ronald D. Jesme,Jaime A. Martinez

申请号：US17049470申请日：20190416

公开号：US20210237229A1公开日：20210805

专利附图：

摘要：A method of making a coated abrasive article includes at least four steps. Instep a), a web is provided comprising a backing having a make layer precursor disposed

thereon. The web moves along a web path in a downweb direction, and the web has acrossweb direction that is perpendicular to the downweb direction. The make layerprecursor comprises a first curable binder precursor; In step b) an applied magnetic fieldis provided. In step c), a mixture of magnetizable non-magnetizable particles is passedthrough the applied magnetic field and onto the make layer precursor such that themagnetizable and non-magnetizable particles are predominantly deposited onto theweb in a drop zone according to a predetermined order. At least one of the

magnetizable particles or the non-magnetizable particles comprises abrasive particles. Instep d), the make layer precursor is at least partially cured to provide a make layer.

申请人：3M INNOVATIVE PROPERTIES COMPANY

地址：St. Paul MN US

国籍：US

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