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    METHOD OF MAKING MAGNETIZABLE ABRASIVE PARTICLES
    15.
    发明申请
    METHOD OF MAKING MAGNETIZABLE ABRASIVE PARTICLES 审中-公开

    公开(公告)号：US20190270921A1

    公开(公告)日：2019-09-05

    申请号：US16344304

    申请日：2017-10-05

    Applicant: 3M INNOVATIVE PROPERTIES COMPANY

    Inventor： Jaime A. Martinez ,  Thomas J. Nelson ,  Mark A. Lukowski

    IPC: C09K3/14 ,  H01F41/16

    Abstract: A method of making magnetizable abrasive particles includes providing a slurry layer disposed on a substrate. The slurry layer has an exposed surface and comprises magnetic particles, a binder precursor, and a liquid vehicle. Abrasive particles are electrostatically contacted with the slurry layer such that they are aligned substantially oriented perpendicular to the surface of the substrate, and are partially embedded within the slurry layer. The liquid vehicle is at least partially removed from the slurry layer and the binder precursor is converted into a binder to provide a magnetizable layer comprising the magnetic particles partially embedded in the binder. The magnetizable abrasive particles are separated from the releasable substrate. Each magnetizable abrasive particle respectively comprises a portion of the magnetizable layer disposed on a portion of an abrasive particle.

    Magnetically assisted disposition of magnetizable abrasive particles
    18.
    发明授权
    Magnetically assisted disposition of magnetizable abrasive particles 有权

    公开(公告)号：US12269982B2

    公开(公告)日：2025-04-08

    申请号：US16479738

    申请日：2018-01-10

    Applicant: 3M INNOVATIVE PROPERTIES COMPANY

    Inventor： Aaron K. Nienaber ,  Joseph B. Eckel ,  Thomas J. Nelson ,  Brian D. Goers ,  Samad Javid ,  Ronald D. Jesme ,  Badri Veeraraghavan ,  Sheryl A Vanasse

    IPC: C09K3/14 ,  C23C14/35 ,  C23C26/00

    Abstract: According to one embodiment, a method can comprise: providing a tool that has a first portion that comprises a first material and a second portion that comprises a second material, wherein the second material differs from the first material and the tool is subject to a magnetic field, and wherein the first material and the second material are provided such that the magnetic field is relatively stronger at and adjacent the first portion relative to the magnetic field at and adjacent the second portion; positioning a surface adjacent to the tool so as to be subject to the magnetic field; and disposing magnetizable abrasive particles on the surface, wherein the magnetizable abrasive particles are attracted to an area on the surface adjacent the first portion where the magnetic field is relatively stronger so as to provide for at least one of a desired orientation, placement and alignment of a majority of the magnetizable abrasive particles on the surface.

    SURFACE CONDITIONING ARTICLE AND METHODS OF MAKING AND USING THE SAME
    19.
    发明申请
    SURFACE CONDITIONING ARTICLE AND METHODS OF MAKING AND USING THE SAME 有权

    公开(公告)号：US20240424643A1

    公开(公告)日：2024-12-26

    申请号：US18698710

    申请日：2022-09-07

    Applicant: 3M INNOVATIVE PROPERTIES COMPANY

    Inventor： Thomas J. Nelson ,  Paul N. Daveloose ,  Laura M. Lara Rodriguez ,  Jacob S. Beveridge ,  Nicholas B. Manor

    IPC: B24D11/02 ,  B24D11/00 ,  B24D11/06

    Abstract: A surface conditioning article comprises: a fabric backing having first and second opposed major sides: a lofty open nonwoven fiber web comprising entangled fibers disposed on and secured to the first major side of the fabric backing; and abrasive particles secured to the lofty open nonwoven fiber web by a binder material disposed on the first major side. At least some of the entangled fibers extend through the fabric backing from the first side to the second side. At least one raised feature comprising an organic polymer is disposed on a minor portion of the second major side of the fabric backing. The entangled fibers extending through the fabric backing have an average diameter and at least one raised feature has a height of at least 8 times the average diameter. A method of making the surface conditioning article is also disclosed.

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