Abstract: A coated abrasive article comprises a fabric backing having a presize layer thereon, and an abrasive layer secured to and contacting the presize layer. The abrasive layer comprises a make layer and abrasive particles. The presize layer comprises, based on a total weight of components a) through f), a reaction product of components comprising: a) from 60 to 90 percent by weight of epoxy resin preparable by reaction of epichlorohydrin with bisphenol A; b) from 5 to 25 percent by weight of polyfunctional (meth)acrylate; c) from 10 percent by weight of aromatic acid-functional free-radically polymerizable material having an acid number up to 300; d) from 5 to 15 percent by weight of dicyandiamide; e) an effective amount of photoinitiator; and f) optionally, an effective amount of epoxy cure catalyst. Methods of making and using the same are also disclosed.

Abstract: A coated abrasive article comprises a backing, optionally having at least one of a presize layer, a saturant, and a backsize layer thereon; and an abrasive layer adjacent and secured to the fabric backing. The abrasive layer may comprise a make layer, a size layer, and abrasive particles, or the abrasive particles may be dispersed in a binder. At least one of the make layer or presize layer comprises a reaction product of a binder precursor comprising from 45 to 75 percent by weight of resole phenolic resin, from 5 to 40 percent by weight of polyepoxide, from 1 to 20 percent by weight of polyfunctional (meth)acrylate, and an effective amount of photoinitiator to free-radically B-stage the binder precursor. Methods of making and using the coated abrasive article are also disclosed.

Abstract: A curable composition comprises epoxy resin preparable by reaction of epichlorohydrin with at least one of bisphenol A or bisphenol F, polyfunctional urethane(meth)acrylate, dicyandiamide and photoinitiator. The curable composition is useful for preparing treated backings and coated abrasive articles.

Abstract: A coated abrasive article has a backing treatment preparable by at least partially polymerizing an isotropic backing treatment precursor comprising polyepoxide, polyfunctional urethane (meth)acrylate, non-urethane polyfunctional (meth)acrylate, acidic free-radically polymerizable monomer, dicyandiamide, photoinitiator. Methods of making and using the same.

Abstract: Coated abrasive articles have a tie layer that is preparable by at least partially polymerizing an isotropic polymerizable composition comprising a polyfunctional aziridine, an acidic free-radically polymerizable monomer, and an oligomer having at least two pendant free-radically polymerizable groups, wherein homopolymerization of the oligomer results in a polymer having a glass transition temperature of less than 50 degrees Celsius.

Abstract: Coated abrasive articles have a composite tie layer. The composite tie layer is preparable by disposing a first polymerizable composition comprising a polyfunctional aziridine on a backing, and disposing a second polymerizable composition comprising at least one acidic free-radically polymerizable monomer and at least one oligomer having at least two pendant free-radically polymerizable groups on the first polymerizable composition, at least partially polymerizing the first and second polymerizable compositions, wherein homopolymerization of the oligomer results in a polymer having a glass transition temperature of less than 50 degrees Celsius.

Abstract: A treated backing comprises a fabric and a composition that comprises epoxy resin preparable by reaction of epichlorohydrin with at least one of bisphenol A or bisphenol F, polyfunctional (meth)acrylate, dicyandiamide, and photoinitiator.

Abstract: A curable composition comprises epoxy resin preparable by reaction of epichlorohydrin with at least one of bisphenol A or bisphenol F, polyfunctional (meth)acrylate, dicyandiamide and photoinitiator. The curable composition is useful for preparing treated backings and coated abrasive articles.

Abstract: Provided is a treated substrate comprising a backing material coated with a resin derived from a curable precursor resin, which comprises an energy-curable component comprising a cyanate ester resin and a curing agent. Also provided is an abrasive article comprising a plurality of abrasive particles incorporated into a bond system, wherein the bond system comprises a make resin derived from a first curable precursor resin, which comprises a first curable component comprising a cyanate ester resin and a first curing agent, and wherein the bond system additionally comprises a size resin derived from a second curable precursor resin, which comprises a second curable component comprising a cyanate ester resin and a second curing agent. Also provided are methods of making a treated substrate and an abrasive article.

Abstract: The present invention provides abrasive articles and methods of making abrasive articles. The abrasive articles have a polymeric material that includes (1) a reaction product of components that include (a) an epoxy-functional material, (b) at least one of a cyclic anhydride or a diacid derived therefrom, and (c) a polyfunctional (meth)acrylate; and/or (2) a polymeric material preparable by combining at least (a) an epoxy-functional material, (b) at least one of a cyclic anhydride or a diacid derived therefrom, and (c) a polyfunctional (meth)acrylate.

Abstract: The present invention provides abrasive articles having projections attached to a major surface thereof, and methods of making such articles. The articles include (1) a reaction product of components that include (a) an epoxy-functional material, (b) at least one of a cyclic anhydride or a diacid derived therefrom; and/or (2) a polymeric material preparable by combining at least (a) an epoxy-functional material, and (b) at least one of a cyclic anhydride or a diacid derived therefrom.

Abstract: Provided is a treated substrate comprising a backing material coated with a resin derived from a curable precursor resin, which comprises an energy-curable component comprising a cyanate ester resin and a curing agent. Also provided is an abrasive article comprising a plurality of abrasive particles incorporated into a bond system, wherein the bond system comprises a make resin derived from a first curable precursor resin, which comprises a first curable component comprising a cyanate ester resin and a first curing agent, and wherein the bond system additionally comprises a size resin derived from a second curable precursor resin, which comprises a second curable component comprising a cyanate ester resin and a second curing agent. Also provided are methods of making a treated substrate and an abrasive article.

Abstract: The present invention provides discrete particles and methods of preparing the discrete particles. The discrete particles include a plurality of abrasive grits and a polymeric material that includes a reaction product of components including (a) an epoxy-functional material, (b) at least one of a cyclic anhydride or a diacid derived therefrom, and optionally (c) a polyfunctional (meth)acrylate. The invention also provides articles made from the discrete particles and methods of making such articles. Preferably, the articles are abrasive articles.

Abstract: The present invention provides discrete particles and methods of preparing the discrete particles. The discrete particles include a plurality of abrasive grits and a polymeric material that includes a reaction product of components including (a) an epoxy-functional material, (b) at least one of a cyclic anhydride or a diacid derived therefrom, and optionally (c) a polyfunctional (meth)acrylate. The invention also provides articles made from the discrete particles and methods of making such articles. Preferably, the articles are abrasive articles.

Abstract: The present invention provides abrasive articles having projections attached to a major surface thereof, and methods of making such articles. The articles include (1) a reaction product of components that include (a) an epoxy-functional material, (b) at least one of a cyclic anhydride or a diacid derived therefrom; and/or (2) a polymeric material preparable by combining at least (a) an epoxy-functional material, and (b) at least one of a cyclic anhydride or a diacid derived therefrom.

Abstract: An abrasive article is provided that includes a tie coat which improves adhesion between an abrasive layer and a backing in the abrasive article. The tie coat is preferably formed from a tie coat precursor comprising a sulfopoly(ester-urethane) component comprising in its backbone at least one non-terminal arylene or alkylene group comprising a pendant sulfonic acid group or salt thereof having the formula: ##STR1## wherein R is a trivalent aliphatic or aromatic group and M is a cation, said aliphatic or aromatic group being bonded directly to ester groups and wherein the polymer is terminated by at least one hydrolyzable silyl group. Preferably, the abrasive article is a structured abrasive article. Also provided is a method for making an abrasive article.

Abstract: An abrasive article is provided that includes a bond system formed from a binder precursor and about 15% by weight or less of a wax-containing modifier. An abrasive article that includes the bond system exhibits an increase of workpiece surface abraded in a Woodsanding Normal Force Test as compared to an abrasive article including a bond system formed from a composition containing substantially no wax-containing modifier.

Abstract: Abrasive articles made using a coatable, addition polymerizable binder precursor composition are described, as well as methods of making same. The compositions comprise a reactive diluent compound and preferably an addition polymerizable resin, the reactive diluent being an organic compound selected to be especially effective in solubilizing aminoplast resins.

Abstract: Abrasive articles made using a coatable, addition polymerizable binder precursor composition are described, as well as methods of making same. The compositions comprise a reactive diluent compound and preferably an addition polymerizable resin, the reactive diluent being an organic compound selected to be especially effective in solubilizing aminoplast resins.

Abstract: The invention relates to an abrasive article comprising:(a) a plurality of abrasive grains; and(b) at least one binder for the abrasive grains,wherein the binder comprises a cured epoxy resin containing a polycyclic aryl, polycyclic alkyl, or cycloalkyl structure. The abrasive articles can comprise bonded, non-woven or coated abrasive articles.