Abrasive articles and methods of making same

Details Abrasive articles and methods of making same Abrasive articles and methods of making same

B - Operations, Transporting

24

D

B24D 11/00 (2006.01) B24D 3/28 (2006.01)

Patent

CA 2176173

An abrasive article and methods for making such abrasive articles, including coated and nonwoven abrasive articles, comprising (a) a plurality of abrasive particles and (b) a bond system which adheres the plurality of abrasive particles together, the bond system comprising a binder; the binder being formed from a binder precursor essentially free of organic solvent, the binder precursor comprising a blend of an urea-aldehyde resin and a water dilutable resole phenolic resin, the blend being catalyzed by an acid catalyst system and, in particular, a coated abrasive comprising (a) a backing having a major surface, (b) a plurality of abrasive particles, and (c) a bond system which adheres the plurality of abrasive particles to the major surface of the backing, the bond system comprising a binder; the binder being formed from a binder precursor comprising a blend of an urea-aldehyde resin and a water dilutable resole phenolic resin, the blend being catalyzed by an acid catalyst, wherein the blend comprises from about 5 to about 90 weight percent of the waterdilutable resole phenolic resin and from about 95 to about 10 weight percent of the urea-aldehyde resin.

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