Coated abrasive article and method of making the same

EP4188646B1Active Publication Date: 2025-10-223M INNOVATIVE PROPERTIES CO
62 Cites 0 Cited by

Patent Information

Application Number
EP2021746166
Authority / Receiving Office
EP · EP
Patent Type
Patents
Current Assignee / Owner
Priority Date
2020-07-28
Filing Date
2021-07-20
Publication Date
2025-10-22
Estimated Expiration
2041-07-20
Patent Text Reader

Abstract

A coated abrasive article comprises a backing having first and second opposed major surfaces, a make layer disposed on at least a portion of the first major surface and bonding abrasive particles to the backing, a size layer overlaid on at least a portion of the make layer and the abrasive particles, and a supersize layer disposed on the size layer. The supersize layer comprises an at least partially cured water-based epoxy resin and an organic polymeric rheology modifier, and wherein the amount of the at least partially cured epoxy resin comprises from 75 to 99.99 weight percent of the combined weight of the at least partially cured epoxy resin and the organic polymeric rheology modifier. A method of making the coated abrasive article is also disclosed.
Need to check novelty before this filing date? Find Prior Art

Citation Information

Patent Citations

  • Hydrophobe associative composition containing a polymer of a water-soluble monomer and an amphiphilic monomer

    EP0226097B1

  • Process of making abrasive materials

    US1910444A

  • Method of making abrasive shards, shaped abrasive particles with an opening, or dish-shaped abrasive particles

    US20090165394A1

  • Shaped, fractured abrasive particle, abrasive article using same and method of making

    US20090169816A1

  • Dual tapered shaped abrasive particles

    US20120227333A1