An abrasive article comprises abrasive particles secured to a substrate by at least one binder material. The at least one binder material comprises a cured reaction product of components comprising: a) at least one phenolic resin; and b) an aqueous dispersion of at least one polyurethane, wherein, based on the total solids weight of components a) and b), the components comprise 56 to 91 percent by weight of component a) and 44 to 9 percent by weight of component b). Methods of making and using the abrasive articles are also disclosed.

A fixed abrasive article including a blend of abrasive particles having a first type of shaped abrasive particle comprising a first height (h1), a second type of shaped abrasive particle comprising a second height (h2) less than the first height, where the blend of abrasive particles includes a first content of the first type of shaped abrasive particles and a second content of the second type of shaped abrasive particle, and the first content is different as compared to the second content.

A method of making a mesh abrasive product comprises sequentially: 1) providing a production tool having a mold surface defining a plurality of shaped cavities and filling at least some of the shaped cavities with an abrasive composite precursor slurry, wherein the abrasive composite precursor slurry comprises abrasive particles dispersed within a curable binder precursor; 2) contacting the mold surface with an open mesh backing comprising interwoven threads defining openings, and having first and second opposed major sides; 3) ultrasonically vibrating the abrasive composite precursor slurry; 4) curing the curable binder precursor by exposing it to sufficient actinic electromagnetic radiation to provide isolated shaped abrasive composites contacting and secured to the first major side of the open mesh backing; and 5) separating the mesh abrasive product from the production tool. An open mesh abrasive product preparable by the method is also disclosed.

An abrasive article includes a backing; a make coat overlying the backing; and a plurality of abrasive particles overlying the backing and at least partially contained in the make coat; and a make coat thickness ratio (Tg/Ta) of not greater than 1.5, wherein Tg is the average thickness of the make coat at the sides of the abrasive particles and the Ta is the average thickness of the make coat.

The disclosure relates to a method for producing an abrasive article, in which method a granular substance is scattered onto an abrasive article substrate that is coated with a binder, wherein the granular substance is deagglomerated by gas pulses and the deagglomerated granular substance is scattered onto the abrasive article substrate. The disclosure further relates to a correspondingly produced abrasive article.

A fixed abrasive article including a blend of abrasive particles having a first type of shaped abrasive particle comprising a first height (h1), a second type of shaped abrasive particle comprising a second height (h2) less than the first height, where the blend of abrasive particles includes a first content of the first type of shaped abrasive particles and a second content of the second type of shaped abrasive particle, and the first content is different as compared to the second content.

This specification relates to a solution for overcoming the problem of loose loops formed by cutting the abrasive products. A method of obtaining an abrasive product (100) is provided. The method comprises providing a substrate (101, 201, 301) having a first surface (101a, 201a, 301a) and a second surface (101b, 201b, 301b, 501b), providing abrasives (102, 202, 302) on the first surface (101a, 201a, 301a) of the substrate and providing loops (103, 203, 303) on the second surface (101b, 201b, 301b, 501b) of the substrate. The method further comprises providing a melted and/or burnt area (304, 404, 504) on the second surface (101b, 201b, 301b, 501b) of the substrate by melting and/or burning the loops, and cutting the substrate (101, 201, 301) in order to provide the abrasive product (100). Further, the abrasive product (100) is provided.

An abrasive product has a flexible abrasive area for abrading surfaces to be abraded and comprises: a fabric; a plurality of flexible loops protruding from the fabric towards the flexible abrasive area, wherein each loop is formed by a pair of bottom-half arcs, a pair of legs and a head, wherein the pair of legs connects the pair of bottom-half arcs with the head, the bottom-half arcs of the loops are interlaced in rows in the fabric and form rows of interlaced bottom-half arcs, wherein the legs and heads protrude from the fabric, the heads of the loops are interconnected with one another at a distance to the fabric such that the flexible abrasive area is at a distance to the fabric, and the heads of the loops are at least partially provided with abrasive particles and form the flexible abrasive area.

An abrasive article includes a backing; a make coat overlying the backing; and a plurality of abrasive particles overlying the backing and at least partially contained in the make coat; and a make coat thickness ratio (Tg/Ta) of not greater than 1.5, wherein Tg is the average thickness of the make coat at the sides of the abrasive particles and the Ta is the average thickness of the make coat.

A porous coated abrasive article comprises a porous backing having opposed first and second major surfaces, and a porous abrasive layer disposed on the first major surface. The porous backing comprises a porous oriented thermoplastic film. The porous backing has a land portion and openings extending between the first and second major surfaces. Each opening has a respective area at the first surface, wherein the openings have a number density of 5 to 4600 openings per square inch, and wherein the total area of the openings is from 1 to 90 area percent, based on the combined total areas of the land portion and the openings. The porous abrasive layer is disposed on the first major surface of the porous backing. The porous abrasive layer comprises abrasive particles retained in a binder and has an abrading surface opposite the porous backing, and the second major surface of the porous backing and the abrading surface are in fluid communication through at least some of the openings. A method of making the porous coated abrasive article using flame perforation is also disclosed.