Abstract: A sheet of coarse sandpaper includes a backing layer having opposed first and second major surfaces, an adhesive make coat on the second major surface, coarse abrasive particles at least partially embedded in the make coat, thereby defining a coarse abrasive surface, and an exposed non-slip coating layer on the first major surface. Methods of making and using such coarse sandpaper are also provided.

Abstract: An agglomerate abrasive grain includes a mixture of individual abrasive grains and hollow bodies, wherein the abrasive grains and the hollow bodies are held together via a binding matrix of aluminosilicate and alkali silicate, and the agglomerate abrasive grain has an open porosity and a closed porosity in each case ranging from 5% by volume to 40% by volume, wherein the total porosity of the agglomerate abrasive grain is less than 50% by volume.

Abstract: A method of forming a polycrystalline diamond compact comprises providing metallized diamond particles including diamond particles including nanograins of a sweep catalyst secured thereto, the sweep catalyst comprising at least one of tungsten and tungsten carbide and constituting between about 0.01 weight percent and about 1.0 weight percent of the metallized diamond particles and placing the metallized diamond particles and a metal solvent catalyst in a container. The metallized diamond particles are subjected to a high-temperature, high-pressure process in the presence of the metal solvent catalyst to form a polycrystalline diamond material having inter-bonded diamond grains and nanograins of tungsten carbide, the nanograins of tungsten carbide covering less than about twenty percent of a surface area of the inter-bonded diamond grains. Polycrystalline diamond compacts and earth-boring tools including the polycrystalline diamond compacts are also disclosed.

Abstract: A wellbore tool may be formed, at least in part, by a fiber-reinforced hard composite portion. The fiber-reinforced hard composite portion can include reinforcing particles and reinforcing fibers dispersed in a binder, wherein the reinforcing fibers have an aspect ratio ranging from 1 to 15 times a critical aspect ratio (Ac). The critical aspect ratio can be determined using the equation Ac=?f/(2?c), wherein ?f is an ultimate tensile strength of the reinforcing fibers, and ?c is an interfacial shear bond strength between the reinforcing fiber and the binder or a yield stress of the binder, whichever is lower.

Abstract: Shaped abrasive particles comprising alpha alumina and having a cross-sectional shape along a longitudinal axis of the shaped abrasive particles, the cross-sectional shape comprising a non-circular cross-sectional plane, and the shaped abrasive particles comprise an Average Roundness Factor of between about 15% to 0%.

Abstract: The present invention relates generally to coated abrasive articles that include active filler particles in a supersize coat, a make coat, or combinations thereof, as well as methods of making and using said coated abrasive articles.

Abstract: A multi-layered polishing pad arrangement includes a first polishing pad layer having a first top and a first bottom major surface, a second polishing pad layer having a second top and a second bottom major surface, and a coupling arrangement disposed between the first bottom surface and the second top surface. The thickness of each of the first and second polishing pad layer ranges between 0.125 mm and 10 mm.

Abstract: [Problem] To provide a polyurethane elastic yarn which has the high strength and ductility sought in polyurethane elastic yarn, and also has excellent durability and heat resistance, as well as little fatigue at low temperature; and a production method thereof. [Means of Resolution] A polyurethane elastic yarn made from polyurethane which has polymer diol and diisocyanate as starting substances, wherein said polyurethane comprises a polyurethane A containing a polybutadiene structure in which the proportion of 1,2-bonded butadiene structure to 1,4-bonded butadiene structure in the molecule is in the range from 91:9 to 20:80.

Abstract: In some examples, a method includes depositing a mixture including a resin and an additive powder via a print head of a three-dimensional printing system to form a carbon fiber preform including a plurality of individual carbon fiber layers, wherein each individual layer of the plurality of individual carbon fiber layers includes a plurality of carbon fibers and the mixture of the resin and the additive powder.

Abstract: A method for fabricating an abrasive firm includes preparing a base film, coating the base film with a first paint which contains no abrasive grain but contains a binder resin, and drying the paint to form a first layer. The method further includes coating the first layer with a second paint which contains the abrasive grains and the binder resin, and drying the paint to form a second layer. The method further includes heating the first layer and the second layer for imidization.

Abstract: The invention provides a chemical-mechanical polishing pad comprising a polymeric matrix and 0.1-15 wt. % of metal oxide particles. The polymeric matrix has pores, the metal oxide particles are uniformly distributed throughout the pores, and the metal oxide particles have a specific surface area of about 25 m2/g to about 450 m2/g. The invention further provides a method of polishing a substrate with the polishing pad.

Abstract: Embodiments of the disclosure generally provide polishing pads includes a composite pad body and methods for forming the polishing pads. One embodiment provides a polishing pad including a composite pad body. The composite pad body includes one or more first features formed from a first material or a first composition of materials, and one or more second features formed from a second material or a second composition of materials, wherein the one or more first features and the one or more second features are formed by depositing a plurality of layers comprising the first material or first composition of materials and second material or second composition of materials.

Abstract: A dispersion which contains particles of a carboxylic acid polymer dispersed in an organic medium containing an emollient ester and/or a non-ionic surfactant. The dispersion can be used to form a gel composition by mixing with a water miscible emollient ester and optionally water. The dispersion and gel can be used to form an emulsification system. The dispersion, gel and emulsification system are suitable for use in forming end-use emulsions, preferably at low temperature and low shear, and in particular, emulsions having a high oil phase concentration. The emulsions can be used in a wide range of applications, including personal care, household and industrial.

Abstract: A surface-treating article includes an organic matrix substantially engulfed by a binder that includes a reaction product of a blocked polyurethane prepolymer and a mixture of aromatic amines. The aromatic amines include polymethylene polyaniline having a functionality equal to or greater than 4.

Abstract: A superabrasive compact and a method of making the superabrasive compact are disclosed. A superabrasive compact may include a plurality of polycrystalline superabrasive particles made of surface functionalized superabrasive particles. The surface functionalized superabrasive particles may have halogens or organic moiety instead of hydrogen.

Abstract: Provided is an epoxy resin composition including a nano-sized radioactive radiation shielding material which has superior shielding effects for against radiation, and to a method for preparing same. In particular, the method for preparing the epoxy resin composition for neutron shielding, includes the steps of: a step of mixing a boron compound powder for absorbing neutrons, optionally a high density metal powder for shielding from against gamma rays and a flame retardant powder, respectively separately or in combination, with an amine-based curing agent to obtain a mixture of a curing agent and a powder; an ultrasonic wave treating step of applying ultrasonic waves to the mixture to coat the surface of the powder with the amine-based curing agent and to disperse the powder in the curing agent; and a dispersing step of mixing and dispersing the amine-based curing agent, that was dispersed and includes the powder treated with ultrasonic waves, in an epoxy resin.

Abstract: There is provided a polyimide precursor which can alter the hydrophilicity/hydrophobicity of the surface of a cured film formed readily even by a low level of ultraviolet ray irradiation; and a polyimide produced from the polyimide precursor. The polyimide precursor having a structure represented by the following formula (1): where A represents a tetravalent organic group; B represents a bivalent organic group having a thiol ester bond in its main chain; R1 and R2 independently represent a hydrogen atom or a univalent organic group; and n represents a natural number.

Abstract: A personal care composition is disclosed comprising abrasive particles. The personal care composition may take a variety of forms such as a leave-on composition or an emulsion and/or may comprise one or more actives or agents.

Abstract: A method of forming an abrasive article includes depositing a mixture into an opening of a substrate, contacting an exposed surface of the mixture in the opening to a texturing form to form a textured preform, and removing the mixture from the opening and forming an abrasive particle having a textured surface.

Abstract: Embodiments of the disclosure generally provides a method and apparatus for a polishing article or polishing pad having a microstructure that facilitates uniform conditioning when exposed to laser energy. In one embodiment, a polishing pad comprising a combination of a first material and a second material is provided, and the first material is more reactive to laser energy than the second material. In another embodiment, a method of texturing a composite polishing pad is provided. The method includes directing a laser energy source onto a surface of the polishing pad to affect a greater ablation rate within a first material having a greater laser absorption rate and a lesser ablation rate within a second material having a lesser laser absorption rate to provide a micro-textured surface consistent with microstructure of the composite polishing pad.

Abstract: The present invention is directed to methods of disaggregating nanodiamond clusters, especially those clusters typically produced from detonation syntheses, the nanodiamond particles and dispersions produced from these disaggregation processes, and compositions derived from these nanodiamond particles and dispersions.

Abstract: Embodiments include coating compositions, methods of coating a substrate, and substrates having at least one surface coated according to the methods of the present disclosure. The aqueous, substantially volatile organic compound (VOC)-free coating compositions includes an acrylic latex and a vinyl acetate-ethylene latex including from about 10 to about 90 weight percent of a vinyl acetate-ethylene polymer, based on total weight of acrylic polymer and vinyl acetate-ethylene polymer, having a Tg from about ?20 to about 20 degrees Celsius; and from about 10 to about 90 weight percent of an acrylic polymer, based on the total weight of acrylic polymer and vinyl acetate-ethylene polymer, the acrylic polymer comprising, in polymerized form, at least one ethylenically unsaturated (meth)acrylic monomer and from about 0.

Abstract: A process for the manufacture of semiconductor devices comprising the chemical-mechanical polishing of a substrate or layer containing at least one III-V material in the presence of a chemical-mechanical polishing composition (Q1) comprising (A) inorganic particles, organic particles, or a mixture or composite thereof, (B) at least one amphiphilic non-ionic surfactant having (b1) at least one hydrophobic group; and (b2) at least one hydrophilic group selected from the group consisting of polyoxyalkylene groups comprising (b22) oxyalkylene monomer units other than oxyethylene monomer units; and (M) an aqueous medium.

Abstract: A method of forming a lapping plate. The method includes providing a lapping plate having a surface, spraying an adhesive onto the surface, spraying a slurry of abrasive particles and solvent onto the adhesive, and curing the adhesive to form an abrasive coating on the lapping plate. The adhesive may be, for example, epoxy, and the abrasive particles may be, for example, diamonds.

Abstract: A coated abrasive product that includes a polymer binder comprising a co-polyester having a bisphenol moiety in the backbone of the co-polyester. The coated abrasive product is capable of finishing coated surfaces and repairing defects in coated surfaces, including surfaces coated with automotive primers, paints, clear coats, and combinations thereof.

Abstract: Disclosed are systems and methods, including a method that includes depositing a curable adhesive onto a first surface of a substrate in a pre-determined pattern, placing topping material onto the substrate with the deposited adhesive, and applying UV energy to the substrate including the deposited adhesive and the placed topping material to cause curing of the deposited adhesive.

Abstract: The present application relates to polishing pads for chemical mechanical planarization (CMP) of substrates, and methods of fabrication and use thereof. The pads described in this invention are customized to polishing specifications where specifications include (but not limited to) to the material being polished, chip design and architecture, chip density and pattern density, equipment platform and type of slurry used. These pads can be designed with a specialized polymeric nano-structure with a long or short range order which allows for molecular level tuning achieving superior themo-mechanical characteristics. More particularly, the pads can be designed and fabricated so that there is both uniform and nonuniform spatial distribution of chemical and physical properties within the pads.

Abstract: A chemical mechanical polishing (CMP) composition, comprising (A) at least one type of inorganic particles which are dispersed in the liquid medium (C), (B) at least one type of polymer particles which are dispersed in the liquid medium (C), (C) a liquid medium, wherein the zeta-potential of the inorganic particles (A) in the liquid medium (C) and the zeta-potential of the polymer particles in the liquid medium (C) are of same signs.

Abstract: The present teachings provide a fuser member. The fuser member includes a substrate layer. The substrate layer substrate layer includes a paraformaldehyde modified polyimide. An intermediate layer is disposed on the substrate layer. A release layer is disposed on the intermediate layer. A method of manufacturing the paraformaldehyde modified polyimide is disclosed.

Abstract: A composite material includes a polymer matrix and silica gel, which is bound in the polymer matrix. The volume fraction of the silica gel to the volume fraction of the composite material amounts to at least 50%, especially at least 65%. An electronic device, especially measuring device, includes at least one housing having at least one inner space, which contains an electronic circuit, wherein the device has at least one gas path, via which moisture can get into the housing, wherein the device has at least one formed body of the composite material.

Abstract: The present invention relates to a method for manufacturing a chemical mechanical polishing conditioner, comprising: (A) providing a non-planar substrate; (B) providing a binding layer disposed on the surface of the non-planar substrate; (C) providing a plurality of abrasive particles embedded in a surface of the binding layer, and (D) heat curing the binding layer, such that the non-planar substrate is deformed into a planar substrate during curing the binding layer, and the abrasive particles are fixed to a surface of the planar substrate by the binding layer; wherein, after step (D), tips of the abrasive particles have a leveled height. Therefore, the present can effectively improve the problem of thermal deformation of the substrate of the chemical mechanical polishing conditioner during a heat curing process, and enhance surface flatness of the chemical mechanical polishing conditioner.

Abstract: A coated abrasive product includes green, unfired abrasive aggregates having a generally spheroidal or toroidal shape, the aggregates formed from a composition comprising abrasive grit particles and a nanoparticle binder, wherein the abrasive aggregates are dispersed within a polymer resin coating, and wherein the coated abrasive product is capable of superfinishing a metal surface having an initial Ra in the range of about 1.5 micro inches to about 12.5 micro inches prior to application of the coated abrasive product and after application the surface has an Ra of less than 1.0 micro inch.

Abstract: A system for cold gas dynamic spraying of particulate material has a de Laval nozzle and two or more radial particle inlets located between the throat and the outlet of the nozzle, the two or more particle inlets arranged symmetrically around a linear flow path of the nozzle. Blocking of the inlets is reduced by controlling pressure of particle carrier gas to provide a stable particulate material injection pressure before and during introduction of working gas into the nozzle, and/or by clearing the particle inlets of residual particles after a spraying process. Such a system and associated method combines benefits of both downstream and upstream cold gas spray systems. Further, a nozzle for spraying particulate material having a cross-sectional shape that is narrower in a middle section compared to edge sections provides coatings with superior cross-sectional profiles.

Abstract: An apparatus and method are provided for cleaning an imaging surface of a printing system by way of a cleaning member having a nanowire mesh portion configured to contact the imaging surface.

Abstract: An abrasive cutting tool includes a body in a shape of a large diameter disk having an outer diameter of at least about 60 centimeters. The body has an aspect ratio defined as a ratio (D:T) between the outer diameter to an axial thickness of the body of at least about 10:1. The body includes an abrasive portion having a bond material and abrasive particles contained within the bond material. The abrasive portion also includes a first filler having iron and sulfur with an average particle size of not greater than about 40 microns. The body also includes a reinforcing member and a Thermal Adhesion Factor (TAF) of at least about 30%.

Abstract: Organic-inorganic composites were prepared as colloidal particles of a cross-linked, thermally responsive polymer. Hybrid PNIPAM-polysiloxane particles and composite polymeric particles with embedded nanoparticles of an inorganic metal-oxide (MOx) such as CeO2 and TiO2 were formed. To promote the incorporation of unaggregated nanoparticles, temperature responsive microspherical gels (microgels) of N-isopropylacrylamide (NIPAM) with interpenetrating (IP) linear chains of poly(acrylic acid) (PAA) were used. The organic-inorganic composition of the hybrid polymer network was controlled by changing the time for condensation and hydrolysis of the siloxane monomer during synthesis.

Abstract: A method of making shaped ceramic abrasive particles includes cutting a layer of ceramic precursor material using a laser beam and forming shaped ceramic precursor particles. Further thermal processing provides shaped ceramic abrasive particles. Shaped ceramic abrasive particles producible by the methods and abrasive articles containing them are also disclosed.

Abstract: A polycrystalline diamond cutting element for use in rock drilling or other operations that requires very high abrasion resistance with high transverse rupture strength at temperatures above 700 degrees centigrade. The cutting element includes a diamond layer that contains pre-sintered polycrystalline diamond agglomerate (PPDA) bonded to a supporting substrate. The PPDA can be made thermally stable and can be selected to produce a cutting element with any desired abrasion resistance characteristic without affecting internal stress.

Abstract: A method of grinding a superabrasive workpiece includes placing a bonded abrasive article in contact with a superabrasive workpiece, wherein the bonded abrasive article comprises a body including abrasive grains contained within a bond material, and the superabrasive workpiece has an average Vickers hardness of at least about 1 GPa, and removing material from the superabrasive workpiece at an average specific grinding energy (SGE) of not greater than about 350 J/mm3, at an average material removal (MRR) rate of at least about 8 mm3/sec for a centerless grinding operation.

Abstract: A method of forming a polycrystalline diamond compact from_a substantially homogeneous suspension of nanodiamond particles and microdiamond particles is disclosed The method includes disposing a first functional group on a plurality of nanodiamond particles to form derivatized nanodiamond particles, and combining the derivatized nanodiamond particles with a plurality of microdiamond particles, metal solvent-catalyst particles and a solvent to form a substantially homogeneous suspension of these particles in the solvent. A method of making an article is also disclosed. The method includes forming a superabrasive polycrystalline diamond compact by combining: a plurality of derivatized nanodiamond particles, a plurality of derivatized microdiamond particles having an average particle size greater than that of the derivatized nanodiamond particles, and a metal solvent-catalyst.

Abstract: Provided is a method for manufacturing an abrasive agent including a dispersant and also including cerium oxide as a main abrasive material component. The method involves: a step for recovering an abrasive agent component by salting out a spent abrasive material slurry by using a cation of an element of the first Group or second Group with an ionic radius of 80 pm to 160 pm in six-coordinate conversion, and solid-liquid separating the cerium oxide by coagulation and sedimentation; and a step for adding a dispersant including an anionic polymer to the abrasive agent component after the recovery.

Abstract: A substance includes diamond particles having a maximum linear dimension of less than about 1 ?m and an organic compound attached to surfaces of the diamond particles. The organic compound may include a surfactant or a polymer. A method of forming a substance includes exposing diamond particles to an organic compound, and exposing the diamond particles in the presence of the organic compound to ultrasonic energy. The diamond particles may have a maximum linear dimension of less than about 1 ?m. A composition includes a liquid, a plurality of diamond nanoparticles dispersed within the liquid, and an organic compound attached to surfaces of the diamond nanoparticles. A method includes mixing a plurality of diamond particles with a solution comprising a liquid solvent and an organic compound, and exposing the mixture including the plurality of diamond nanoparticles and the solution to ultrasonic energy.

Abstract: Polishing pads for polishing semiconductor substrates using eddy current end-point detection are described. Methods of fabricating polishing pads for polishing semiconductor substrates using eddy current end-point detection are also described.

Abstract: A method of fabricating a polishing layer of a polishing pad includes determining a desired distribution of particles to be embedded within a polymer matrix of the polishing layer. A plurality of layers of the polymer matrix is successively deposited with a 3D printer, each layer of the plurality of layers of polymer matrix being deposited by ejecting a polymer matrix precursor from a nozzle. A plurality of layers of the particles is successively deposited according to the desired distribution with the 3D printer. The polymer matrix precursor is solidified into a polymer matrix having the particles embedded in the desired distribution.

Abstract: Technique to provide an abrasive regeneration method which, from a used abrasive slurry, can recover an abrasive by an efficient method and can thereafter obtain a high-purity regenerated abrasive by a simple method. This abrasive regeneration method uses an abrasive comprising at least one type of abrasive selected from diamond, boron nitride, silicon carbide, alumina, alumina zirconia and zirconium oxide. The abrasive regeneration involves a slurry recovery step (A) for recovering an abrasive slurry discharged from a polishing machine, a separation and concentration step (B) for adding an alkaline earth metal salt as an inorganic salt to the recovered abrasive slurry to aggregate the abrasive, and separating and concentrating the abrasive from a mother liquor, and an abrasive recovery step (C) for recovering the separated and concentrated abrasive.

Abstract: A CMP polishing pad comprising (a) a polishing layer having a polishing surface and a back surface opposite said polishing surface; said polishing layer having at least one cured opaque thermoset polyurethane region and at least one aperture region; said at least one cured opaque thermoset region has a porosity from about 10% to about 55% by volume; said at least one aperture region having (1) a top opening positioned below the polishing surface, (2) a bottom opening that is co-planar with said back surface and (3) straight line vertical sidewalls extending from said aperture top opening to said aperture bottom opening; said at least one aperture region filled with a cured plug of thermoset polyurethane local area transparency material that has a light transmission of less than 80% at a wavelength from 700 to 710 nanometers and is chemically bonded directly to a thermoset polyurethane opaque area; (b) an aperture-free removable release sheet covering at least a portion of said back surface of the polishing l

Abstract: A superabrasive compact and a method of making the superabrasive compact are disclosed. A superabrasive compact may comprise a plurality of polycrystalline superabrasive particles made of surface functionalized superabrasive particle The surface functionalized superabrasive particles may have halogens or organic moiety instead of hydrogen.

Abstract: Provided are a method of manufacturing an alumina-based abrasive grain, which includes preparing boehmite powder and activated alumina powder as starting materials, forming a sol by wet-blending and crushing the boehmite powder, the activated alumina powder, a solvent and a deflocculant, heating the sol at a first temperature which is higher than a room temperature and lower than a boiling point of the solvent and stirring the sol so as not to generate a precipitate, forming a gel by heating the sol at a second temperature higher than the first temperature at which a viscosity of the sol is increased and the sol becomes a paste, blending the gel with an organic solvent and performing wet crushing on the resulting mixture, preparing a powder by drying the wet-crushed gel, blending a binder and a solvent with the dried product, which is the powder, and molding the resulting mixture, calcining the molded product, performing dry crushing on the calcined product, and sintering the dry-crushed product to transform

Abstract: This invention relates an amino resin treated backing material comprising a backing material impregnated with an amino resin comprising an alkylated trimethylol melamine obtained by reaction of trimethylol melamine with alkanol, coated abrasive article comprising the same, and methods of making and using said amino resin composition and coated abrasive articles. The claimed processes and systems related to use and manufacturing of coated abrasive articles are improved and cost effective.

Abstract: A polishing liquid comprising an abrasive grain, an additive, and water, wherein the abrasive grain includes a hydroxide of a tetravalent metal element, produces absorbance of 1.00 or more and less than 1.50 for light having a wavelength of 400 nm in an aqueous dispersion having a content of the abrasive grain adjusted to 1.0 mass %, and produces absorbance of 0.035 or more for light having a wavelength of 400 nm in a liquid phase obtained when centrifuging an aqueous dispersion having a content of the abrasive grain adjusted to 1.0 mass % for 50 minutes at a centrifugal acceleration of 1.59×105 G.