Abstract: Provided is a lapping carrier including a base carrier having a first major surface, a second major surface and at least one aperture for holding a workpiece. The aperture extends from the first major surface through the base carrier to the second major surface. The base carrier includes a first metal or a polymer. At least a portion of the first major surface or at least a portion of each of the first and the second major surfaces includes a polymeric region. In at least a portion of the polymeric region, at least one adhesion promoting layer is interposed between the polymeric region and the base carrier. The adhesion promoting layer includes an inorganic coating.

Abstract: Provided is a lapping carrier including a base carrier having a first major surface, a second major surface and at least one aperture for holding a workpiece. The aperture extends from the first major surface through the base carrier to the second major surface. The base carrier includes a first metal or a polymer. At least a portion of the first major surface or at least a portion of each of the first and the second major surfaces includes a polymeric region. In at least a portion of the polymeric region, at least one adhesion promoting layer is interposed between the polymeric region and the base carrier. The adhesion promoting layer includes an inorganic coating.

Abstract: Provided is a double-sided lapping carrier comprising a base carrier having a first major surface, a second major surface and at least one aperture for holding a workpiece, said aperture extending from the first major surface through the base carrier to the second major surface, wherein the base carrier comprises a first metal, the circumference of said aperture is defined by a third surface of the base carrier consisting of the first metal and, at least a portion of the first major surface or at least a portion of each of the first and the second major surfaces comprises a polymeric region, said polymeric region comprising a polymer having a work to failure of at least 10 Joules. Also provide are methods of lapping.

Abstract: A lapping carrier (110) including a base carrier (112) having first and second major surfaces and at least one aperture for holding a workpiece extending from the first major surface to the second major surface, the aperture circumference defined by a third surface of the base carrier, at least a portion of the first and/or second major surfaces including a polymeric region having at least the following adhesion promoting layers: (a) a primer layer (116) including at least one of a phenolic resin or a novolac resin; (b) a tie layer(115) adjoining the primer layer(116), the tie layer(115) including at least one of an amino-functional epoxy resin or a hydroxyl-functional epoxy resin; and (c) a polymeric layer (114) adjoining the tie layer (115) on a side opposite the primer layer(116), the polymeric layer(116) including an isocyanate-functional polymer. Also described are methods of making and using the carrier.

Abstract: Provided is a double-sided lapping carrier comprising a base carrier having a first major surface, a second major surface and at least one aperture for holding a workpiece, said aperture extending from the first major surface through the base carrier to the second major surface, wherein the base carrier comprises a first metal, the circumference of said aperture is defined by a third surface of the base carrier consisting of the first metal and, at least a portion of the first major surface or at least a portion of each of the first and the second major surfaces comprises a polymeric region, said polymeric region comprising a polymer having a work to failure of at least 10 Joules. Also provide are methods of lapping.

Abstract: The present invention is a fixed abrasive article for grinding or polishing the surface of a glass workpiece. The abrasive article for grinding glass has abrasive composites containing agglomerates having diamond particles, and optionally other abrasive particles. The abrasive composites are integrally molded to a backing. The abrasive articles, when used to grind glass, provides a high stock removal rate but provides a smooth surface finish. Lubricant can be used to improve the grinding characteristics of the abrasive article.

Abstract: The present invention is a fixed abrasive article for grinding or polishing the surface of a glass workpiece. The abrasive article for grinding glass has abrasive composites containing agglomerates having diamond particles, and optionally other abrasive particles. The abrasive composites are integrally molded to a backing. The abrasive articles, when used to grind glass, provides a high stock removal rate but provides a smooth surface finish. Lubricant can be used to improve the grinding characteristics of the abrasive article.

Abstract: The present invention is a fixed abrasive article for grinding or polishing the surface of a glass workpiece. The abrasive article for grinding glass has abrasive composites containing a binder, an alkaline metal salt, and diamond abrasive particles or agglomerate particles comprising diamond particles, the composites integrally molded to a backing. The abrasive article for grinding glass is capable of removing between about 200 and 400 micrometers of glass using an RPP procedure having a polish time interval of between 10 and 15 seconds, generally about 12 seconds. The abrasive article for polishing glass comprises a backing containing fibers, and a plurality of abrasive composites integrally molded to the backing comprising an organic resin, ceria abrasive particles, and alkaline metal salt. The abrasive articles for polishing glass also provide an optimum rate of breakdown of the abrasive composites and improved adhesion between the abrasive composites and the backing.

Abstract: An abrasive article is provided which comprises a backing; and at least one three-dimensional abrasive coating comprising diamond particles dispersed within a binder bonded to a surface of the backing, the binder comprising a cured binder precursor including a urethane acrylate oligomer. The abrasive article is capable of rapid glass stock removal coupled with reducing the surface finish as indicated by reduced Ra values using an RPP test procedure.

Abstract: A coated abrasive article having a backing and an abrasive layer coated on the first major surface of the backing, wherein a cross-section of the abrasive layer normal to the thickness and at a center point of the thickness has a total cross-sectional area of abrasive agglomerates which is substantially the same as that at a point along the thickness which is 75% of a distance between the center point and the contact side; a coated abrasive article having a bond system with a Knoop hardness number of at least 70; a coated abrasive article comprising abrasive agglomerates in the shape of a truncated four-sided pyramid; a method of making the coated abrasive article; and a method of abrading a hard workpiece using a coated abrasive article.

Abstract: A method for polishing a glass workpiece is provided that includes contacting the glass workpiece having an initial Ra with an abrasive article comprising a three-dimensional abrasive coating bonded to a backing, applying a liquid at an interface between the glass workpiece and the abrasive article; moving the glass workpiece and the abrasive article relative to one another; and reducing the initial Ra to a final Ra. The abrasive articles are capable of rapid removal of glass stock from a glass test blank and reducing the surface finish using an RPP test procedure.

Abstract: A coated abrasive having a backing and an abrasive layer coated on the first major of the backing, wherein a cross-section of the abrasive layer normal to the thickness and at a center point of the thickness has a total cross-sectional area of abrasive agglomerates which is substantially the same as that at a point along the thickness which is 75% of a distance the same as that at a point and the contact side; a coated abrasive article having a bond system with a Knoop hardness number of at least 70; a coated abrasive article comprising abrasive agglomerates in the shape of a truncated four-sided pyramid; a method of making the coated abrasive article; and a method of abrading a hard workpiece using a coated abrasive article.

Abstract: An abrasive article is provided which comprises a backing; and at least one three-dimensional abrasive coating comprising diamond particles dispersed within a binder bonded to a surface of the backing, the binder comprising a cured binder precursor including a urethane acrylate oligomer. The abrasive article is capable of rapid glass stock removal coupled with reducing the surface finish as indicated by reduced Ra values using an RPP test procedure.

Abstract: A method for polishing a glass workpiece is provided that includes contacting the glass workpiece having an initial Ra with an abrasive article comprising a three-dimensional abrasive coating bonded to a backing, applying a liquid at an interface between the glass workpiece and the abrasive article; moving the glass workpiece and the abrasive article relative to one another; and reducing the initial Ra to a final Ra. The abrasive articles are capable of rapid removal of glass stock from a glass test blank and reducing the surface finish using an RPP test procedure.

Abstract: A method of making a coated abrasive article and the product thereof, involving the steps of: providing an endless spliceless backing loop substrate; applying fibrous reinforcing material onto a major surface of the endless backing substrate by applying of a first binder precursor to the fibrous reinforcing material such that the first binder precursor bonds the fibrous reinforcing material to the endless backing substrate to form a reinforcing fiber layer; further solidifying the first binder precursor; and forming an abrasive coating on the surface of one of the fiber reinforcing layer, or alternatively, the exposed surface of the backing substrate.

Abstract: A method of making a coated abrasive article, and the product thereof, involving the steps of: providing a backing sheet having two free sheet ends and joining the two free sheet ends together as a splice to form an endless backing sheet; temporarily supporting the backing sheet before or after performing the splicing; applying fibrous reinforcing material onto a major surface of the endless backing sheet such as by winding at least one continuous fibrous strand or narrow fibrous strip in a plurality of revolutions around the endless backing sheet with applying of a first binder precursor to the fibrous reinforcing material such that the first binder precursor bonds the fibrous reinforcing material to the second major surface of the endless backing to form a reinforcing fiber layer; exposing the first binder precursor to conditions effective to solidify the first binder precursor; and forming an abrasive coating on the surface of one of the fiber reinforcing layer, or alternatively, the exposed surface of the

Abstract: A method of making a coated abrasive article and the product thereof, involving the steps of: providing an endless spliceless backing loop substrate; applying fibrous reinforcing material onto a major surface of the endless backing substrate by applying of a first binder precursor to the fibrous reinforcing material such that the first binder precursor bonds the fibrous reinforcing material to the endless backing substrate to form a reinforcing fiber layer; further solidifying the first binder precursor; and forming an abrasive coating on the surface of one of the fiber reinforcing layer, or alternatively, the exposed surface of the backing substrate.

Abstract: In accordance with the present invention, a method of polishing stone and an article for use in the method are presented in which the stone has at least one exposed surface, the method comprising the steps of:a) bringing into frictional contact an abrasive article to the exposed surface of the stone; andb) refining the exposed surface of the stone with the abrasive article, preferably in the presence of water, wherein the abrasive article comprises a plurality of abrasive particles adhered to a backing (preferably a flexible backing) by a binder (preferably a resilient binder), wherein the binder comprises a cured resin derived from a resin comprising unsaturated addition polymerizable units. The binder and abrasive particles (and plasticizer when used) form a resilient composite having a hardness no greater than 20 HK but at least 1 HK. Use of the articles and method of the invention efficiently increases the gloss of stone surfaces.

Abstract: An abrasive article having a sheet-like structure having at least one major surface having deployed thereon a plurality of individual abrasive composites, each abrasive composite comprising a plasticizer and a plurality of abrasive particles dispersed in a binder, wherein said binder is formed by polymerizing a binder precursor and said plasticizer being combined with said binder precursor prior to said polymerizing in an amount of 30 to 70 parts plasticizer per 100 parts by weight of the combined binder precursor and plasticizer. There is also a method of using such as abrasive article to reduce the surface finish of a workpiece and a process of making the abrasive article.

Abstract: An abrasive article having a sheet-like structure having at least one major surface having deployed thereon a plurality of individual abrasive composites, each abrasive composite comprising a plasticizer and a plurality of abrasive particles dispersed in a binder, wherein said binder is formed by polymerizing a binder precursor and said plasticizer being combined with said binder precursor prior to said polymerizing in an amount of 30 to 70 parts plasticizer per 100 parts by weight of the combined binder precursor and plasticizer. There is also a method of using such as abrasive article to reduce the surface finish of a workpiece and a process of making the abrasive article.