A supporting body for a grinding tool, the supporting body including an abrasive pad having a preferably circumferential supporting surface for an abrasive material, particularly a superabrasive material. The supporting body consisting substantially of a composite material which is free of abrasive material and consists of a plurality of layers of a natural fiber material which are arranged one atop the other and are connected to each other by plastic, preferably phenolic resin. The natural fiber material preferably is a cotton fabric or paper, and the supporting body includes a first, preferably cylindrical or hollow cylindrical body and at least one additional, preferably cylindrical or hollow cylindrical body, in which the bodies are connected, preferably adhesively bonded, to each other.

An abrasive article can include a substrate, abrasive particles coupled by a bond material to the substrate, and a coating overlying at least partially the exterior surface of the bond material. The coating can be a poly(p-xylylene) polymer applied via vapor deposition and may provide enhanced strength to the bond material and extended life time to the abrasive article.

An abrasive article can include a substrate, abrasive particles coupled by a bond material to the substrate, and a coating overlying at least partially the exterior surface of the bond material. The coating can be a poly(p-xylylene) polymer applied via vapor deposition and may provide enhanced strength to the bond material and extended life time to the abrasive article.

A method of abrading the surface of a workpiece is disclosed. The method includes providing a workpiece, an abrading apparatus with a backing pad configured to receive an abrading plate, an abrading plate attachable to the backing pad and a slurry including abrasive grains; attaching the abrading plate to the backing pad; providing the slurry including abrasive grains between the abrading plate and the surface of the workpiece; and operating the abrading apparatus to abrade the surface of the workpiece. Therein, the abrading plate includes a workpiece-facing layer, which workpiece-facing layer faces the surface of the workpiece and includes a metal or a polymer, and the abrasive grains have a hardness on the Mohs scale of greater than 5.

A method of abrading the surface of a workpiece is disclosed. The method includes providing a workpiece, an abrading apparatus with a backing pad configured to receive an abrading plate, an abrading plate attachable to the backing pad and a slurry including abrasive grains; attaching the abrading plate to the backing pad; providing the slurry including abrasive grains between the abrading plate and the surface of the workpiece; and operating the abrading apparatus to abrade the surface of the workpiece. Therein, the abrading plate includes a workpiece-facing layer, which workpiece-facing layer faces the surface of the workpiece and includes a metal or a polymer, and the abrasive grains have a hardness on the Mohs scale of greater than 5.

An abrasive product comprising an impregnated woven fabric comprising: a) A first layer of first uncrimped weft multifilaments (301-308) b) a second layer of second uncrimped weft multifilaments (309-316); wherein for each of the first uncrimped weft multifilaments (301-308) there is one corresponding second uncrimped weft multifilament (309-316), and vice versa, to form successive multifilament pairs (301/309, 302/310, 303/311, 304/312, 305/313, 306/314, 307/315, 308/316) of first and second uncrimped weft multifilaments; c) crimped warp filaments (41-44) having four different weave types d-c4, but each weave type consisting of entwining around first uncrimped weft multifilaments; passing between first and second uncrimped weft multifilaments; entwining around second uncrimped weft multifilaments; and passing again between first and second uncrimped weft multifilaments; d) uncrimped warp filaments (4) passing between first (301-308) and second (309-316) uncrimped weft multifilaments of all multifilament pairs (301/309, 302/310, 303/311, 304/312, 305/313, 306/314, 307/315, 308/316). The abrasive product furthermore comprises either a first particulate abrasive material (9) embedded into the first topmost surface (8) of the first top layer (7), or a prefabricated abrasive sheet (101) comprising a matrix material, a first top sheet surface (111) and first abrasive particles (91) embedded into the first top sheet surface (111).

An abrasive product comprising an impregnated woven fabric comprising: a) A first layer of first uncrimped weft multifilaments (301-308) b) a second layer of second uncrimped weft multifilaments (309-316); wherein for each of the first uncrimped weft multifilaments (301-308) there is one corresponding second uncrimped weft multifilament (309-316), and vice versa, to form successive multifilament pairs (301/309, 302/310, 303/311, 304/312, 305/313, 306/314, 307/315, 308/316) of first and second uncrimped weft multifilaments; c) crimped warp filaments (41-44) having four different weave types d-c4, but each weave type consisting of entwining around first uncrimped weft multifilaments; passing between first and second uncrimped weft multifilaments; entwining around second uncrimped weft multifilaments; and passing again between first and second uncrimped weft multifilaments; d) uncrimped warp filaments (4) passing between first (301-308) and second (309-316) uncrimped weft multifilaments of all multifilament pairs (301/309, 302/310, 303/311, 304/312, 305/313, 306/314, 307/315, 308/316). The abrasive product furthermore comprises either a first particulate abrasive material (9) embedded into the first topmost surface (8) of the first top layer (7), or a prefabricated abrasive sheet (101) comprising a matrix material, a first top sheet surface (111) and first abrasive particles (91) embedded into the first top sheet surface (111).

An abrasive article having a backing layer having a first major surface opposing a second major surface and a plurality of apertures extending from the first major surface to the second major surface. A plurality of abrasive particles having a first end with a smaller dimension than a second end and at least some of the plurality of abrasive particles located in at least some of the plurality of apertures such that the first end of the abrasive particle passes through an individual aperture and extends above the second major surface and the second end of the abrasive particle will not pass through the individual aperture. A binder coating applied to the plurality of abrasive particles retaining them in the backing layer.

An abrasive article having a backing layer having a first major surface opposing a second major surface and a plurality of apertures extending from the first major surface to the second major surface. A plurality of abrasive particles having a first end with a smaller dimension than a second end and at least some of the plurality of abrasive particles located in at least some of the plurality of apertures such that the first end of the abrasive particle passes through an individual aperture and extends above the second major surface and the second end of the abrasive particle will not pass through the individual aperture. A binder coating applied to the plurality of abrasive particles retaining them in the backing layer.

A polishing pad is provided. The polishing pad, disposed on a polishing platen and suitable for a polishing process, includes a polishing layer, an adhesive layer and at least one adhesion-reducing interface layer. The adhesive layer is disposed between the polishing layer and the polishing platen. The at least one adhesion-reducing interface layer is disposed between the adhesive layer and the polishing layer and/or disposed between the adhesive layer and the polishing platen. An area of the at least one adhesion-reducing interface layer is smaller than an area of the adhesive layer.